Zwo asi294mc pro unity gain. 96 ADU (all ADU numbers given on 14 bit scale).

Zwo asi294mc pro unity gain 28c. It almost looks like Im using it on 8 bit mode. Dec 25, 2018 · ZWO ASI183MC-Pro: sweet spot for gain and temperature? - posted in Beginning Deep Sky Imaging: Hi All, Merry Christmas! Just got my first cooled camera and cant wait for some clear skies. that is also the camera gain where the HCG mode kicks in, so read noise at that setting is <1. I’m using KStars/Ekos under Raspbian. Mar 7, 2019 · My ZWO ASI294MC Pro camera has a higher read noise (6-7 e-rms) from gains of 0-119, then it drops to 1-2 e-rms after gain settings of 120 and larger. At low Gain, the camera is collecting several electrons for each ADU, and at high Gain, only a fraction of an electron for each ADU. Aug 26, 2019 · The ASI294MC Pro I'm down to 120s to 300s typically. Below that is the stack of about 65 x 180s subs with darks, flats & dark flats. Gains a little lower than 117 will show less dynamic range and increased Read Noise. My advice, start with near unity gain (120 - 125), and go from there. ASI294MC Pro の撮影 Gain でモヤモヤしてるので、60秒で比較してみた。いずれも4枚コンポジット。HDR(Gain=0), Unity(Gain=120), LRN(Gain=390) で比較してみた。いくらなんでも差が出なきゃオカシイと思うけど、レベル調整したら、ほとんど差がない。ホント？ Feb 26, 2021 · That color pattern is something that is just there with the ASI294MC Pro. So I tested the bin 1x1 mode with a 135mm lens and found that gain 50 was in the middle of read noise, higher dynamic range so I was able to shoot 240 sec. Jul 6, 2020 · The Dynamic range and Read Noise of the camera actually change at about Gain equal to 117. Jun 22, 2020 · Binning With A Color CMOS Camera such as the ASI183MC Pro or ASI294MC Pro - posted in Beginning Deep Sky Imaging: So I have both of these cameras and have been experimenting with Binning 2x2 with the ASI183MC Pro to improve SNR. 0 electron/ADU. hello, I understand that the unity gain for the 294mm pro changes to 108 when binned 1x1. So that's where you should start. ) Integrated the Bias Frames Mean ADU Dec 2, 2018 · Page 1 of 2 - Asi294MC Pro settings - posted in Experienced Deep Sky Imaging: Hi all, Its been a few weeks already since Ive acquired the ASI294MC Pro and had the chance to test it out a few times. but not right now. Reduce the read noise of your ASI294MC Pro at higher gain without losing dynamic range with the HCG mode (High Conversion Gain). This morning I experimented with an exposure with a gain setting of 400. 44 ADU while at Gain 0, 1 electron gives 1. But ZWO designed the camera with its low read noise circuitry to kick in at 120. I currently use the ASI533MC pro and very happy with the camera. I tried unity gain 117 with 0 offset and gain 30 with 0 offset. I want to completely understand the unity gain concept for the cameras. I just did a set of 30 Bias frames (0. I heard the native driver defaults to offset 8 (at unity gain, 120). 8 e- Square the Read Noise value. The full well capacity of the camera is ~100ke at gain 0 vs ~20ke at unity gain. How does unity gain work. Further increases in gain have minimum affect. Even when used in higher humidity, the ASI294MC Pro will work fine without dew problems. After doing some research I found that a gain of 300 was similar to an ISO of 800-1600 on my modified DSLR, but later backed it down to a gain of 200 on both the 071 Jun 24, 2020 · For live stacking using ASI294 I've found that 300 gain works very well for my Bortle 5/6 skies. 88 e/ADU at a gain setting of 120. Both ways I had no issues with the detection of the camera, cooling aid works. imaging at unity gain [1e-/ADU]. A Gain of 120 will be nearly identical to a Gain of 121. Any advice is greatly appreciated. I might test gain 0, 50 and 100 where the dynamic range is a bit higher than it is at 252. I made a light box to put on the end of the scope, and I set the T3i to Av mode and shoot my flats. https://astronomy-im94mc-pro-color/ A bit quick, as I misread the dark current test chart! Additionally, the product page said . The Official User Forum for ZWO Products. This should be better than the 3. I just received the camera noted above - expecting its default binning to be 2x2 as noted on ZWO’s website with the option to switch to bin 1 in sw. Jun 23, 2021 · When ZWO originally released this camera its bin 1x1 mode was the same as the ASI294MC Pro. I noticed that in the stretched frames there is horizontal banding present, but it seems to be different in each frame. Feb 19, 2021 · Need help with new ZWO ASI294MC Pro - posted in Experienced Deep Sky Imaging: I just got my new ZWO ASI294MC Pro and am looking for help with basic settings and cooling tips. Jul 17, 2022 · After looking at your shots from your dark site I think that I am going to re-shoot a set of darks at gain 0 and see where imaging at gain 0 gets me the next time out. But the moment I click 'live view' I get absolutely nothing, black screen. Here I think I will need to reduce subs to 1 min and capture more of them to increase the ratio between the subject and background, using dither between frames to reduce noise. So instead of 4. The scope is fairly fast at f5. However, I don't use APT so the "problem" might be the capture, but I'll share my 294MC Pro settings I use with NINA and APP: I capture all my images with my 294MC Pro with a Gain of 121 Offset 0. I just received it and noticed that the gain and offset Im choosing create a lot of noise. So there was some deviation from the values published by ZWO. Over on the CN forums it was reported that the "Low Gain" option sets the gain and brightness to optimize the dynamic range of the camera, while the "High Gain" setting produces a 12-bit (for ASI224) output at 1e/ADU. This is a single sub debayered and with STF, then with Background Neutralisation & Colour calibration. Jan 8, 2021 · ZWO ASI2600 MC pro Zero or 100 Gain - posted in Experienced Deep Sky Imaging: Just ordered the ZWO ASI2600 MC Pro. - posted in Beginning Deep Sky Imaging: I have just made the switch from DSLR to an asi294mc. It is correct to set 'Camera resolution' to 14-bit [0, 16383]. I was very happy with the individual images I was getting. 60x120 Jun 1, 2021 · That is a function of the Gain. Aug 21, 2024 · Unity gain is where one e- yields one ADU. The Oct 9, 2022 · The reason to use gain 100 is that is where ZWO has set their High Conversion Gain circuitry to be enabled on that particular model. Depending on target: 3-5 min exposures usually (exceptions are Orion and Andromeda for example which require much shorter for my kit) I have questions concerning dark current and bias of the ASI294MC Pro. You can see the effect in ZWO's charts. I was sure it was very clean in the past but it’s been a while Jan 31, 2018 · Ok so unity gain is acheived when one electron = 1 ADU. Mar 2, 2023 · ASI 294MC Gain values - posted in Beginning Deep Sky Imaging: Im imaging from a urban bortle 7 sky with a F4 newtonian and an ASI 294 MC always with filters, L-Ultimate or L-Pro according to targets. If you look at the graphs at this page: https://astronomy-im294mc-pro-color you will see that at around 120 the read noise drops significantly. No manual to be found. It drops 95% images on both laptop and PC. FYI Dynamic range is the usable well depth divided by read noise and is pretty much optimal at unity gain on the 533. The 6D has been a nice camera and it Feb 13, 2022 · The ASI294MC settings were: Gain 120, Offset 8, exposure 60s and fixed point cooling set to -10°C. You can also use ASIAIR to power the cameras. The light backgrounds of the summer skies record very easily so I've found. It is always in HCG mode, so you don't get a big drop in noise at unity gain. Aug 12, 2019 · ASI294MC-Pro Camera ASI ASCOM Driver Gain = 120 (Unity) Offset = 9 ; I took multiple frames of each type: 50 Bias Frames 25 Dark Frames @60 sec 25 Light Frames @ 60 sec (These were actually just dim Flat Frames without an optical system -- just a diffuser. Some of the highlights include: back-illuminated sensor – im Jan 12, 2018 · I got a chance to try out my new ZWO ASI294MC Pro last night. But my ZWO after several tries the ZWO camera has left me frustrated in NINA. On the Gain slider, why does FC identify the unity gain for this camera as 361? FC Unity Gain. All in bin 2. 5e-/ADU] for years because of the finer sampling of the really faint stuff that can be obtained vs. Does anyone have any advice or experience in optimizing these settings for ZWO cameras? In my case the camera has 15K full well depth and 2^14 = 16 k bit depth, so initially I Jan 14, 2021 · Recommendations for asi294mc gain and offset settings. I was wondering if someone can share some insight regarding the settings for this What/are there any basic gain and offset values for the 294MC Pro. Around 120 is also known as "Unity" gain meaning when e-/ADU equals 1. I calibrate with all the recommended steps rigourously. Unity gain. I tried restart everything, different cables, delete and re-install driver, different applications (including ASI), different modes, different binning, exposure (from ms to minutes), gain Aug 28, 2017 · In addition, what some people refer to as "unity gain" actually refers to the gain before the result is shifted left so that 10, 12, or 14 bits ends up filling the full 16-bit output. Also a highlighted image on ZWOs site for the camera as well. Gear up for astronomical adventures like never before with the ZWO ASI294MC USB 3. Dear Valued Customers, With the Chinese New Year approaching, please note our holiday schedule: Shipping Pause: Jan 21–Feb 6, 2025 Service Hiatus: Jan 22–Feb 6, 2025 The Official User Forum for ZWO Products ASI294MC Pro Problem ASI294MC Pro. Aug 9, 2018 · NGC 6992 – Comet Catcher Test Image - ZWO ASI294MC Pro Telescope: Celestron Comet Catcher 5. Could you please help? We hardly get clear sky's here and with this issue I am stuck. HCG Mode. Jun 1, 2021 · In BIN 1 mode, there is nothing special about Gain 120, versus Gain 100, Or Gain 140, or even Gain 119 or Gain 121. A lot of the advice you find is some variation of the following: Unity gain is always a good place to start. This is on an RC6 reduced to 1030 mm FL. 3. Exposure times at f/5. The SharpCap program took me some Mar 15, 2022 · This is unity gain in bin2 mode. 2e while the dynamic range can still be close to 14bit. For my older cameras with user-defined offsets I use an offset of 50. 001 second. 4 dB above Unity Gain), so the 0. Question about gain… I have the ASI294MC- Pro. 4144x2822. High gain, which gives you low read noise, short exposures, but also the lowest dynamic range. Bin1. If I use the Craig Stark's method in Nebulosity I get a value of 5. I Mar 21, 2021 · Would anyone who has direct experience of both these sensors comment on their relative performance (size apart). These are done with my Orion ED80T-CF/AVX w/Televue 0. Jun 30, 2016 · Page 1 of 2 - gain and offset settings for ZWO cameras - posted in Beginning Deep Sky Imaging: My latest learning/amusement with my ASI178MM-Cool camera is the result of experimenting with the gain and offset settings. 8 reducer/field flattner. resmania. Sep 5, 2018 · The reason for this is that for the most part one would not use the ASI294 at below unity gain because of the massive difference in read noise (around 6e- below unity, <2e- above unity). At Unity Gain, it becomes 1. Also, I captured high gain (200) subframes in Ha for the Horsehead Nebula to blend with Lum, RGB data taken at gain 139 (unity). 2mm diagonal. Dec 11, 2020 · The ASI294MC Pro like other dedicated astro camera has a "gain" setting and an "offset" setting. For bin1 108 gain, and for bin2 120 gain. SGP (Sequence Generator Pro) was used for image frame capture. From the graph it's a bit hard to tell but the difference between the gain values is minimal so gain 121 to be safe as scotty38 suggests. In the plot, note in particular that the value of the Mean ADU at an exposure time of 0 seconds is greater than the Mean value at all exposures greater than 1 second but less than 3 seconds. Jan 27, 2020 · I recently purchased a ZWO ASI294MC Pro and was very happy with the results till a few days ago when all my processed images started turning up horrible. I bought this camera directly from ZWO on "August 3, 2020". 6 Schmidt Newtonian, Orion Atlas EQ-G Camera: ZWO ASI294MC Pro, 0C; Gain: 200 Filter: Hutech IDAS LPS P2 Guide scope: Williams Optics 50mm, Meade DSI Pro III, PHD Exposure: 32x240sec saved as FITS Darks: 32x240sec saved as FITS May 31, 2024 · The ZWO ASI585MC Pro. Thanks. Let the user determine the gain and offset. With the ASI294MC Pro I have not been able to successfully remove all amp glow with dark calibration, but it may be my mistake. This is 2 hours of data. That said… when trying to not over expose objects like stars…etc. 3, F7. I. Oct 22, 2020 · Noisy ASI294MC pro - posted in Experienced Deep Sky Imaging: I’m using ASI studio this gives me 3 settings for gain (Low, Medium and High) I’m using the 294MC Pro and notice low gain is very noisy and has some banding it’s actually worse than medium and high, guess I’m wondering if anyone else has noticed this issue. At this gain and above, you can look at ZWO's published graphs for the two cameras and notice that there's virtually no difference between FWC. ). Recently, I decided to try this out. Ive used a dslr (Canon 60da) for several years, so I am familiar with the concepts and know to shoot darks at the same settings as the lights. e. I will be imaging with an EdgeHD 800 with the . With some further research, mostly on CN, it appears that if hardware Aug 2, 2020 · Using APT with an ASI294 MC Pro - CAMERA IS NEW Cooler is powered by a Celestron Powertank 17 fully charged connected using an Orion DC cable w/Auto Lighter Plug Connecting via ASCOM ASI Camera 1 setting Properties are Image Type RAW 16 Bayer RGGB Unity Gain Gain 120 Offset 30 USB limit 40 ASI294MM Pro All Pro cameras (with cooler) need to be connected to an external 11-14v power supply to image. For those who may already have this camera and have experience with it, have you found a sweet spot for the gain and temperature setting? Just looking for a The Official User Forum for ZWO Products. The FPS increased dramatically as expected Aug 22, 2020 · ZWO ASI294MC Pro - posted in Experienced Deep Sky Imaging: Thank you to everyone who contributes to this forum. So far Ive always imagined at gain 121 and offset 30, but Im asking myself if other gain values can be worth the try. Before this, I was using an unmodded Canon T3i DSLR. Preview mode. 74 e/pixel/s (I used 2 in the histogram) Oct 26, 2018 · 2. 6 Schmidt Newtonian, Orion Atlas EQ-G Camera: ZWO ASI294MC Pro, 0C; Gain: 200 Filter: Hutech IDAS LPS P2 Guide scope: Williams Optics 50mm, Meade DSI Pro III, PHD Exposure: 32x240sec saved as FITS Darks: 32x240sec saved as FITS Sep 28, 2020 · At unity gain with the ASI1600MM with RGB filters I'm using 30s expsoures in Bortle 5 sky. N. 96 ADU (all ADU numbers given on 14 bit scale). Additionally, the read noise is as low as 1. , out of 65,535 ADU's): Aug 9, 2018 · NGC 6992 – Comet Catcher Test Image - ZWO ASI294MC Pro Telescope: Celestron Comet Catcher 5. For now I made Jan 10, 2020 · Recommendations for ZWO 294 MC Pro settings - posted in Experienced Deep Sky Imaging: Hi Folks, Im hoping to get some recommendations and explanations from some of you successful ZWO 294 MC Pro users. Typically 2, 5 and 10 minute duration through a UV/IR cut filter. Have you tried Aug 16, 2018 · New ASI071MC-PRO - What would be the best gain to use? - posted in Experienced Deep Sky Imaging: I just got my third ZWO camera and my first OSC - the ASI071MC-PRO. This is my first cooled CMOS cam replacing my trusty Canon DSLR, slowly but surely getting the hang of it. Latest experience- tried to shoot xmastree cluster, got 8 hours of data (130slt, guiding, 300 sec exposures), but result was pretty Sep 11, 2024 · ZWO asi585mc Pro vs asi533mc Pro Equipment Discussions. You will be using up valuable dynamic range which is critical in LP skies. It has the same micro-4/3 sensor dimensions as the ASI294MC-Pro, with a 23. I have been testing it the past two nights with unity gain (120 gain, 30 offset) and 121 gain and 8 offset. Bin2 on the ASI294mm - posted in Experienced Deep Sky Imaging: Those of you that know, ASI released a driver late last year which allows you to run the ASI294mm camera in unbinned mode (the *new* bin 1). I have the Edge HD 11 with F7 focal reducer giving me 1,960mm focal length. IMX294CJK Sony 10. From the screen-print above FC says Unity Gain is 361, there’s even a marking on the Gain slider to show where 361 is. My image scale is Feb 16, 2024 · I use the camera at gain 0, offset 8 for LRGB and gain 200 offset 30 for H-alpha. 4 days ago · ASI294MC PRO max gain? - posted in Beginning Deep Sky Imaging: Hi, just one question- what is max gain to use with asi194mc pro? I have been used mostly uniti gain (120), but lately I had suggestions to push it upwards untill I can see the object I photograph. Sep 7, 2022 · It's also around unity gain which is recommended when starting out. The ASI294 is the first camera in the world equipped with the latest Sony sensor IMX294CJK. Sep 23, 2021 · Testing out Bin1 vs. ZWO ASI294MC Pro Camera Specs: Feb 2, 2021 · ASI294MM Pro - Anyone Using at Gain Greater Than Unity? - posted in Experienced Deep Sky Imaging: Hi All, I have been using my ASI1600MM for narrow band imaging at gain 200 [~0. 6 Schmidt Newtonian, Orion Atlas EQ-G Camera: ZWO ASI294MC Pro, 0C; Gain: 200 Filter: Hutech IDAS LPS P2 Guide scope: Williams Optics 50mm, Meade DSI Pro III, PHD Exposure: 32x240sec saved as FITS Darks: 32x240sec saved as FITS Apr 30, 2021 · This is one of M81 & M82 I took back in January using the ASI294MC Pro at -10°C and unity gain (120). Feb 22, 2021 · ZWO ASI294MC Pro Dark Flats Question - posted in Beginning Deep Sky Imaging: Hi All, I recently acquired the color cooled 294 and took it out for a test drive Saturday night. Any thoughts on why my luminance filter Feb 15, 2021 · ZWO's ASI294MC Pro has the same mechanics as their highly regarded ASI1600 Pro. Is it best to lower the Nov 25, 2023 · Zwo asi294mm pro flats - posted in Beginning Deep Sky Imaging: Hello have just gone from the asi1600mm pro to the asi294mm pro and i believe my flats need to be at least 4 seconds long with a mean adu of 30,000 problem i have the more sheets of white paper i add to get a luminance filter to 4 seconds makes my ha filter 80 seconds to get to 30. Unfortunately I havent been able to find the answers as my use case is quite different to standard astrophotography. 6u pixels, it will run 2. Dark Oct 23, 2017 · Page 9 of 11 - ZWO ASI294 MC pro - posted in Experienced Deep Sky Imaging: I still gave some thought to cooling, heat dissipation and dark current with the ASI294MC Pro. 7 Focal Reducer. I have a 294 and for my sky (which is quite dark when the streetlamps go out at 11pm) it recommends E250s G121 (unity - my choice) Offset 4 (yes 4) and I get very nice images (mostly - as you may see on my site). SubframeSelector takes into account that the camera driver scales the intensities (multiplying them by factor 4). I have read on CN that Binning loses the color information when binning with a color CMOS sensor. If you don't have it, I suggest getting SharpCap and running a sensor analysis. There was a 91% waning moon so I used my Optolong l-enhanced filter on my explore scientific ed102 with an astrotech . Im looking forward to the increased FOV with the 2600. Not to be confused with its uncooled planetary imaging camera counterpart, the ZWO ASI585MC Pro is a one-shot-color dedicated astronomy camera. The pixel scale using my optical system has changed due to the smaller pixels (3. The ASI183MM Pro on the other hand has a much more severe star-burst pattern that calibrates out nicely. The dynamic range of this camera sensor is listed at 13 stops. There's debate as to what the gain setting is where HCG mode is enabled with quotes of 117, 120 and 121. My current set up is a 10 dobsonian on a diy eq platform Mar 16, 2023 · ASI294mm binning gain - posted in Beginning Deep Sky Imaging: H everyone, I noticed that ZWO posted two different unity gains for ASI294mm. cs, Wim With its backside illuminated sensor, the camera also have a high quantum efficiency, which ZWO estimate is over 75% at its peak. My capture software is FireCapture. ZWO says the 294 enters "HCG Mode" at gain 120 which accounts for the drop in read noise. Reading about the ASI294MC Pro, it sounds like the recommendation is to use flats that Oct 16, 2021 · Help - NINA & ZWO ASI294MC-Pro settings - posted in Astronomy Software & Computers: I have been using NINA for several months now but only with my DSLR. 2. May 21, 2021 · Yes, for the ZWO ASI 533MC, the default Offset, at unity Gain (100) is 70. Zwo did advise to try and minimize the exposure length and the mentioned manner of making flats. 64 um pixel size – ideal for many types of telescope Did forget to put the Offset value for my CMOS camera in like, all my sessions (Don´´ t know why it isn't a permanent option in N. These are the results, all in 16-bit numbers (i. 3 are 180 s for L, 300 s for RGB and 240 s for Ha. I know M42 is a bright object but, for a 12 minute exposure, I think the ASI294MC Pro has done quite The ASI294MC camera has a dynamic range of 9 to 13 stops depending on the camera gain settings. Dec 4, 2019 · Page 1 of 3 - Gain and Sub-exposure calculation spreadsheet for the ZWO ASI533 - posted in Experienced Deep Sky Imaging: Hi, I made an attempt at a Gain and Sub-exposure calculation spreadsheet for the ZWO ASI533. The attached image of Betelgeuse was taken on my ASI294MC Pro in dark skys, high in the sky, 30 sec exp. Gain Exposure times Binning Anything else This is my first Dec 30, 2021 · ASI294MM Pro - Help Needed on ‘Unlocked’ Binning - posted in Experienced Deep Sky Imaging: Hi and Happy Holidays. Mar 25, 2020 · Connected the camera 2 different ways: Once by choosing ZWO ASI camera, once by choosing Ascom camera and giving it the correct settings (unity gain). For comparison is the 180s dark for the 1600MM at unity Gain 139 Offset 50 where amp glow is considerably less. 001s. It is on the shared Google drive with the others: https://drive. May 13, 2019 · You should use SharpCap Pro to do an analysis of your imaging train and suggest an exposure, gain and offset. I usually image at 30 sec 10 brightness 300 gain with darks / flats and cooler at -10. 3e. So it's unfortunate that gain is defined in terms of e/adu - but there are different "adu's" being discussed - and factors of 4, 16 and even 64 that aren't included. So far I did make my own manual flats with all the necessary settings and the histogram with a peak around 55 and the shortest exposure times. Stars do not really require really high DR. Are other calibration frames needed? What about camera settings? What does a reasonably complete dark library consist of? I have no plans to do AP, only EAA, and want to keep it simple as possible with this OSC. 5 EXPOSURE: 2h 24m (72x120 ) DARKS: 5x120 FLATS: 20x0,55 GAIN: 200 SENSOR TEMPERATURE: -10 ° C MOUNT: 10micron GM1000HPS GUIDE: Automatic TEMPERATURE: T = +15 Mar 7, 2023 · Page 1 of 2 - asi533mc pro vs asi294mc pro - posted in Beginning Deep Sky Imaging: Settled to buying one of these 2 cameras but wanted some helpful feedback. Can you recommend a certain value? Sep 16, 2020 · Unity gain (1 electron incoming = 1 ADU) is always a good starting gain which is gain 117 for the ASI294. On the 294, that's 117. I have been testing it out and so far have had no problems. But the ascom driver uses 30 by default. With the uncooled version I'd probably leave it at unity gain (136?). The histogram of a bias frame looks good, no clipping at zero, a mean of approx. 0, 4. The ASI 294MC is the ideal camera for anyone wanting to take the first step to become a professional astrophotographer. I was using unity gain (120) and cooled to -10c. , unity gain. 0 has gamma and I will move that to the right towards or to 100% for proms and to the left towards or at 1 for Jan 1, 2021 · ZWO ASI 1600MM Pro Gain and Offset Settings - posted in Beginning Deep Sky Imaging: Hi all, Simple question - I live in a bortle 6-7 zone and I was wondering: what gain and offset settings should I be using for my new ZWO ASI 1600MM Pro? Ive read that for narrowband I should use a gain of 200 and just keep offset at 50, but what about LRGB? Thanks Feb 22, 2023 · Jonny Bravo: One thing to note when using bin1 with a ZWO 294MM Pro. fits) Binning=1 Capture Area=4144x2822 Colour Space=RAW16 High Speed Mode=Off Turbo USB=80 Flip=None Frame Rate Limit=Maximum Gain=120 Exposure=300 Timestamp Frames=Off White Bal (B)=50 White Bal (R)=50 Brightness=28 Temperature=0 Cooler Power=24 Target Temperature Oct 31, 2023 · Just google "what is the recommended gain for ASI294mc-pro in astrophotography". 3, but I assumed that with the 'deep wells' of the 294MC saturation would not be a problem at only 3 minutes. Taking flats with the T3i was easy. This is Sep 18, 2018 · M31 Andromeda Galaxy - ZWO ASI294MC Pro - posted in Experienced Deep Sky Imaging: OBJECT: M31 Andromeda Galaxy PLACE: Tiglieto, 550m Slm Genova, Italia DATE: 2018 september 08 CAMERA: ZWO ASI294MC Pro TELESCOPE: 80/520 Tecnosky at f/ 6. Is there a way to compute or test to determine the exact unity gain of a given camera? 3. I got this camera to replace my Canon 6D full spectrum modified DSLR due to simple noise on the uncooled chip in the TX summer heat. So I ran a little test and took 4 sets of 5 180 darks. ASI294MC Pro The ASI294MC Pro is the first camera in the world equipped with the latest Sony sensor IMX294CJK. This mode is automatically activated when the gain is set at 120 or higher. For me, I found the unity gain settings to be too slow. Tried a bias frame at unity gain (100 gain 70 offset) exposure was . So the slope of the line of Mean versus the square of the standard deviation (the Variance) IS the Gain. I use long exposures for deep sky imaging. I just took a series of subs (240 sec, 120 gain, default offset) of M51 and would like feedback on what kind of Dec 15, 2018 · I also came from a DSLR background and eventually moved on to a ZWO ASI071MC Pro and later added a pair of ASI294MC Pros. 0 Color Astronomy Camera! This isn’t just a camera; it’s your portal to capturing the cosmos in vivid, breathtaking detail—infusing your nights with a sprinkle of interstellar magic. The unity gain setting seems to posterize the image. I received the asi294 a few weeks ago and was finally able to try it out on 9-17-2019. 1. At Gain = 120 and Offset = 30 (the Unity Gain Defaults) I measure about 1908 ADU for a Bias. Unity gain simply means the setting where 1 electron is converted into 1 ADU, it does not in itself Note：ZWO Cooled cameras require a 12V power source for the TEC cooler and USB hub power. I was really surprised by the high level of amp glow seen in the 180s dark attached below. ) (None the raw Light Frames Showed Clipping of Data. 27 ADU. Also, yesterday I did a Apr 2, 2021 · ASI294MC Pro flats - posted in Beginning Deep Sky Imaging: I recently received an ASI294MC Pro as my first astro camera. 71M-Effective Pixel Apr 28, 2021 · Page 1 of 2 - Gain setting for Zwo 533 mcpro - posted in Experienced Deep Sky Imaging: Just got the camera today. You can get a bit more at 0 gain but not much. It will be on a CGX mount, Polar Aligned but initially unguided. 000 adu. I've listed all problems with the calibration frames in this post, in hopes someone here can help me sort them out: PS. Also, unity gain in bin1 is 108 (not 120 like in bin2). This is even more than the legendary AS1600 camera from ZWO. High QE. Am interested in real world performance I can do the maths on sensitivi Aug 5, 2020 · One of the things I stumbled across is that the Zwo ASI294MC Pro produces better flats with longer exposure times then with shorter. My question is, if I capture my photos in bin1 with gain 108. High-Sensitivity Type 4/3 CMOS Image Sensor that Supports 4K for Astronomic Cameras and Industrial Applications. Oct 25, 2020 · ASI294MC Pro with Redcat 51 and C5 - posted in Beginning Deep Sky Imaging: Hello all, I’ve been researching and researching and I think my brain is broken. 8x focal reducer/field flattener and an IDAL LPR-P2 filter: M45 (34x16s, gain 400): Sep 21, 2020 · The ASI294MM-Pro is the monochrome version of the ASI294MC-Pro, one of ZWO’s most popular astronomy cameras. Like Colin, I'd like some pointers in dealing with the apparent read noise jump when the HCG Mode goes off below a gain of 120. After viewing many YouTube videos on this camera, I did do the sensor analysis and tired some shots from my light polluted backyard. 3e; at a gain of 120dB, you get 13 stops of dynamic range with a read noise of just 1. I do not see how this is a good place to start. I want to have it some bigger (you're stars don't blow out as fast). I went on astronomy tools website and for the arc second per pixel size for my set up this was one of the best choices. This TEC-cooled camera works well for capturing color images of deep-sky objects. That is very high, and likely chosen so as to ensure no clipping on the low side at very high gain. 94 microns. Oct 10, 2018 · Gain and Offset were set to Unity at g=120, o=30 in the ASCOM Driver. Looking at the specifications and comparing it to the relatively low price, it is easy to see why. Mar 23, 2020 · ASI294MC-Pro. Other ZWO camera models have HGC thresholds set at different levels, and do not always coincide with Unity Gain. Unity gain (117), which is a compromise between 1 and 2. ZWO specifies a temperature difference against ambient temperature of 35 to 40 degrees (centigrade scale) for the ASI294MC Pro. 315 microns and a resolution of 8188 x 5644. Even when the cooler is not being used the power supply must be used for the camera to be recognized. With its backside illuminated sensor, the camera also have a high quantum efficiency, which ZWO estimate is over 75% at its peak. Based on reviews of the time, I settled on the asi294mc pro for Jun 26, 2021 · Note that the IMX571 sensor doesn't have a real Unity Gain mode. Oct 23, 2017 · Page 2 of 11 - ZWO ASI294 MC pro - posted in Experienced Deep Sky Imaging: here is one of the two images that I got with this camera so far. jpg . I would start at 252 where the HCG mode kicks in. The IMX294 sensor is a BSI (back-illuminated type) sensor, so it has a very high QE (ZWO measure the QE peak higher than 75%). Thanks, Rich I have an issue with my ASI294MC Pro, plus "overcorrecting" in the corners, which end up turning white after calibration. I know that unity gain is 120, which is where I leave it at. Bernd Sep 15, 2018 · Is this the cooled or uncooled version? With my cooled ASI294MC Pro I use a gain of 200. However this camera uses ZWOs HSC (High Conversion Gain) mode at gain 120 and higher which claims to give the same dynamic range as using gain 0 for a much lower read noise and is only slightly above unity gain. My only experience has been with an unmodified DSLR so the recommendations saved me from an evening of frustration. Lose a step or 2 of dynamic range and gain a slight bit of noise over lower gain and longer exposure. Yes, will definitely want to use low gain for some targets. Reducing the Gain all the way to 0 will bring you to full dynamic range but Read Noise is increased still further. I would suggest you start with gain at 120 or 121. A gain of 117 specifically for the asi 294 according to ZWO chart. Aug 24, 2018 · I love how sensitive the SONY IMX294CJK sensor is on this camera. For my camera, the Read Noise at Gain = 120 is about 1. On this camera that is 198 which has more read noise and one less stop of dynamic range than at gain 252. I have had my ZWO 294MC Pro for about a year now. 25e-. In ASICAP I can set gain and offset, and I am confused with the offset setting, the default with ASICAP seems to be 14 but the default with the ASCOM driver appears to be 50. However, this was not its actual native resolution and ZWO ultimately modified the ASCOM drivers for this camera to reflect its true Bin 1x1 mode which is a pixel size of 2. What is the most correct gain value? Apr 25, 2022 · Unity gain and exposure settings on ASI 183MC pro cooled camera - posted in Beginning Deep Sky Imaging: I recently acquired an ASI 183 MC pro cooled camera. The next day I attempted to gather Flats and Dark Flats as I got Darks the night before. State-of-the-Art Sony Micro-4/3 Sensor. 2e to 7. It works well slewing, plate solving, centering and taking picture sequences. I had a lengthy e-mail thread with Zwo about this and they say that it is a characteristic of the sensor. The camera sensor looks pristine (I've never opened the inside of the camera). Took my chances and ordered the ASI294MC Pro. Im still in newbie mode and I ran the CCD Parameters script in PixInsight to determine the optimal ADU. 5 e-. I Suddenly ASI294MC PRO camera started giving the message "Exposure Failed". , out of 65,535 ADU's): Sep 22, 2023 · Gain/exposure settings with ASI585MC - posted in Beginning Deep Sky Imaging: Its paired with the skywatcher 200PDS (1000MM F5), shooting from bortle 5. In bin1 mode, it's always using high conversion gain, so you don't see any of those dramatic changes in the graphs. I've had the camera for a couple of years and don't recall this happening on bright stars before. The read noise at gain 0 is >4x the read noise at gain 158. The IMX294CJK sensor is the first in-house image sensor for astronomic cameras to adopt the 4/3 format and provides the necessary number of pixels for true 4k output at 120 frames per second (w/ ADC 10-bit output mode, the ASI294MC can run up to 25fps at 4k format when used with USB Apr 8, 2019 · With my ASI294MC Pro I measured a gain of 0. With HCG, the RMS random noise is increased by a factor of 2 (HCG kicks in at a gain of about 5. 000032 seconds), at Gain 100, Offset 10, 15 and 70 at -5C. Some of the highlights include: Back-illuminated sensor – improving sensitivity and reducing noise 4/3" format with 4. 72e-, while read noise falls to about 1e- : the total noise (RMS) is now about 1. It features a large 24-megapixel CMOS sensor with a pixel size of 5. Let's use my ASI294MC-Pro as an example. It is a great option for owners of astrophotography telescopes with a full-frame image circle (48mm+), as you will be able to fully utilize the large sensor across the entire image field. The scope was a Skywatcher Evostar ED80 DS Pro with the 0. Perhaps I am missing something. Oct 31, 2023 · Just google "what is the recommended gain for ASI294mc-pro in astrophotography". 6 Schmidt Newtonian, Orion Atlas EQ-G Camera: ZWO ASI294MC Pro, 0C; Gain: 200 Filter: Hutech IDAS LPS P2 Guide scope: Williams Optics 50mm, Meade DSI Pro III, PHD Exposure: 32x240sec saved as FITS Darks: 32x240sec saved as FITS Sep 6, 2020 · Write down or remember this value. Is the unity gain unique per camera model or individual Can someone help me too, I have an ASI294MC PRO and use the native driver with ASICAP. By popular demand, we now introduce the ASI294MM Pro. I tested using ASISTUDIO and latest drivers installed, using various computers, USB cables, ASIAIR Pro - no difference. First to note is that Im an intermediate DSLR AP shooter and this is my first dabble into a dedicated OSC AP camera. 63, 1x1 binning) QE of 75% Celestron Edge HD 11" with CGX-L Mount F7 Focal Reducer No filters PHD2 guiding Sky brightness (sky background calculator), Bortle number 5. Depending on your target, you can set the gain lower for higher dynamic range (longer exposure) or set the gain higher for lower noise (such as short exposure or lucky imaging). Here is an example (right after pre-processing and stacking) L-Pro, or L-Enhance or even no filter whatsoever All my tests have yielded these results. . I used the APT flats Sep 8, 2019 · For example, the ASI1600MM Pro even with 8 minute exposures at unity gain has very mild amp glow. BUT, I Aug 29, 2018 · NGC 6992 – Comet Catcher Test Image - ZWO ASI294MC Pro Telescope: Celestron Comet Catcher 5. Look up your camera's Read noise at the Gain you plan to use. Feb 3, 2021 · As a preparatory step I took some darks to later use in processing using the unity settings of Gain 120 Offset 30. The sensor recommended gain at 119 as I recall. This is with an f4 Sep 30, 2021 · What gain setting for Sharpcap with ASI174mm - posted in Solar Observing and Imaging: I use an older version of Sharpcap for Solar - Sharpcap 3. My plan is to use an Optolong L-eXtreme filter in my Bortle 8 backyard for imaging deep sky objects, and need some tips on proper settings with which to start. googleU9CKj5GilnZW8VJ I am missing data for the recommended offsets for the various gain settings. By popular demand, ZWO has introduced the ASI294MM Pro. The ZWO ASI2400MC Pro is a full-frame, one-shot-color dedicated astronomy camera. Indeed other manufacturers who use the same sensor, have the same issue. Yes, sure. Unity Gain is where 1 electron gives rise to 1 ADU. ZWO engineered the ASI294MM camera around Sony’s IMX492, a 47 megapixel sensor with 2. Jan 14, 2025 · [ZWO ASI294MC Pro] Debayer Preview=Off Pan=0 Tilt=0 Output Format=FITS files (*. I'm blessed with Bortle 2, so no LP filters needed. It's also the spot at which the "high conversion gain" kicks in for that mode, so you get back a bunch of dynamic range and the read noise drops significantly. Will this also take the same SNR predicted for bin2 for gains lower than 120? Or it has no effect after Jul 1, 2018 · ZWO ASI294MC PRO - how to do flat and bias frames - posted in Experienced Deep Sky Imaging: Having just received the ZWO ASI294MC PRO camera I need to learn how to do flats and bias frames. 36e- dark current noise becomes 0. 63pixel at 75% QE gives me 1. Mar 10, 2021 · ASI183MM Pro Gain & Offsets? - posted in Beginning Deep Sky Imaging: Hey Folks just wondering what typical gains and offsets folks are using w/ a ZWO ASI183MM Pro? Mine are set at 120 / 10 respectively, and Im a bit surprised that: 1) Average bias value is in the high 100s like average 725ish or so 2) Darks dont reveal much in the way of dark current (sensor set at -10C cooling and very The 108 gain is the "unity gain" for bin 1 mode. I set the cam to unity gain 120, offset 6. And then in processing I resize it to be bin2. Im am confused by the statement on the ZWO website in the camera performance info that says quote: The ASI2600MC Pro has excellent performance with a dynamic Nov 1, 2017 · Page 1 of 8 - ASI294MC Pro - Just for EAA or great for AP and fainter DSOs? - posted in Beginning Deep Sky Imaging: Hi, would love to hear opinions! Spec sounded great, ordered and just received this OSC. 76 um) on the ASI533MC Pro sensor. Pete. Four screws seal the sensor chamber. The mean adu reading was 1795! Aug 9, 2020 · Hello - I use 120 gain. 3u pixels. 8e- at Unity gain. I've narrowed the problem to calibration frames not being correct. Many people who start out using a DSLR camera for astrophotography move up to this type of camera to benefit from a cooled, astrophotography-modified sensor. Stacked in DSS and processed in PI. In BIN 1 mode, Gain 120 is close to unity gain (A sensor analysis I performed in SharpCap shows it to be around 111 for my camera, which is oddly similar to the ZWO ASI 183, and that is pretty much how the 294MM performs in BIN 1 ZWO ASI294MC Pro camera review - BBC Sky at Night Magazine Jan 23, 2021 · Need your opinions on these Asi294mc Pro dark frames - posted in Experienced Deep Sky Imaging: So I went to make a darks library for my asi294mc pro using NINA as a way to get a feel for the new software. I've been using gain: 122 and offset: 30 for deep sky imaging but having problems with removing the amp glow using dark and bias frames. Hello! After two months more or less stable working ASI294MM stopped work well. I'd like to clear things up. I shot the Horsehead Nebula. One at gain 120 APT で取得した ASI1600MC-Cool と ASI294MC Pro のバイアスAPT で取得した ASI1600MC-Cool と ASI294MC Pro のダークUnity Gain, Lowest Read Noise は、微妙に異なる夜景で比較。1枚撮り夜景だと、目立った差はないが、解像度は 4656x3520 -> 4144x2822 と減少ASI160 Jul 2, 2020 · Gain settings on ASI290MM camera - posted in Major & Minor Planetary Imaging: Just because Im an extremely curious person, would anyone tell me what gain setting do you use for IR (742nm) Jupiter images with your ASI290MM camera. But was wondering if that is giving the best results. 24 Jun 21, 2022 · worth upgrading to the SV405cc or ASI294MC? - posted in Beginning Deep Sky Imaging: Hello all, Hoping I could get some help with a couple of questions I have regarding updating to a dedicated astro cam from my DSLR. Aug 9, 2022 · I have the ZWO ASI294mc camera whose unity gain is listed by ZWO as 117. I am going to write out my thought process and share details of my results. If you don't have one, please add it through the options on the right side of the product display. 0. When the gain is 120, the HCG mode will be automatically turned on. Maybe I can answer at least part of my own question. For example, at Gain 100, 1 electron gives ~4. The read noise can be adjusted from 1. Nov 28, 2019 · The Rosette Nebula (11 x 5-minutes) at Unity Gain using the ZWO ASI533MC Pro. Setting the ASI 2600 gain to 150 or 200 would accomplish what I have done with my ASI 1600. 5” f/3. (Pixel size 4. 85 FR/FF and UV/IR cup filter only. For me, this becomes 3. I purchased the ZWO ASI294MC Pro based on what I read and then went out last night armed with all the recommendations I could find and successfully took pictures. I’m looking at getting a ASI294MC pro to use with my Redcat 51 and a soon to be acquired C5 Spotting Scope. Sifting from all of the advice I could find, I decided to get a color camera to start with, but also got a monochrome camera with efw and filters for later. I took 3 hours of 3 minute subs at unity gain of the pacman nebula, 40 flats at 25000 adu and 11 darks. Figured Id drop this question here in this forum. The other setting improved the colors Dec 2, 2018 · Page 2 of 2 - Asi294MC Pro settings - posted in Experienced Deep Sky Imaging: John, all; I wanted to chime in and had a question; I too have switched from my DSLR Nikon D810 to the ASI294MC Pro. A. This is one of the top-selling cameras from ZWO. The offset is fixed in the newer versions of the camera. Many rumors on the internet and very dispersed information. Instead, I found that the camera defaults to bin 1 and offers only bin 3 as an alternate binning. Imagine wielding a cosmic eye that sees beyond the stars, revealing galaxies, nebulae, and planets in stunning color and Jan 18, 2023 · Page 1 of 2 - ZWO ASI294MC Pro calibration frames - posted in Electronically Assisted Astronomy (No Post-Processing): Ive read about amp glow and that dark frames can eliminate it. It had been taking okay pictures when I first got it, but I really did not research settings well. At gain 120, your camera switches to high conversion gain, where read noise is decreased, and dynamic range gets a boost. I typically use 300 with a frame rate of 20FPS. I just did. This is the monochrome version of the ASI294MC Pro – one of the top selling cameras from ZWO. the asi533 hits unity gain (1 e-/ADU) when the camera gain is at 100. Such a good image!! For a OSC camera this thing seems pretty amazing! I know, I hope qhy will hurry up with their model. This characteristic is thanks to the built-in 14bit ADC (analog-to-digital converter) unit on the 294MC Pro. I’m aware it’s not an ideal pixel size, but I’d like it to be versatile with multiple focal lengths as I upgrade/change The ZWO ASI294MC PRO is a colour cooled camera with a large sensor which is ideal for wide field astrophotography. But gain 108 will give you a small dynamic range. If you look on your ZWO documentation for that particular camera you will see that there is step up in sensitivity without losing dynamic range at a gain of 120 and above. So far Ive used 150gain and its turned out ok-ish but I wanted to know what the optimal gain to use was, or if there was a way to calculate it. Despite the title I don't really mind what make your camera is, so more IMX071 Vs IMX294 as opposed to just ZWO. For this camera with a full well of 51100+ electrons, you can not reach the full 16 bit range of the A/D. dark current of ASI294 is a little bit higher than ASI1600 Apr 3, 2022 · ASI294mc pro revisited - posted in Experienced Deep Sky Imaging: About four years ago, I decided to make the move from strictly visual to trying my hand at astrophotography. the full well at that setting is ~16000 e- Jan 13, 2019 · Just starting out with a new ASI294MC-Pro and was surprised to find magnitude 9 stars that had clipped after only 3 minute exposures at unity gain. Will eventually go with an OAG and guided. 3 micron pixels. I am wondering if anyone has been using their ASI294MM Pro at gains higher than unity Feb 27, 2020 · Gain/Offset Settings for ZWO 183 MC Pro - posted in Experienced Deep Sky Imaging: HI, Im hoping someone can provide some guidance on the proper use of the Gain and offset for the ZWO 183 MC Pro camera. As I mentioned earlier, one of the key differences between the ASI533 and ASI294 is the resolution. I can get the ZWO to work in the ASIStudio very well. 0 Up until now I have always left my gain at 150 out of 300, 50%, with the ASI174mm. I live under Bortle 7 skies and have found that using the Optlong L-Enhance The Official User Forum for ZWO Products. tvn flwqx lflrq rfm jorri ygmlusm mekpq gdquj tgbar pmvlk