ASI294MC Pro, First 14bit 4/3″ Cooled Color Camera

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ASI294MC Pro, First 14bit 4/3″ Cooled Color Camera

Postby Sean.Wang » Thu Oct 19, 2017 2:15 am

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Re: ASI294MC Pro, First 14bit 4/3″ Cooled Color Camera

Postby mcgillca » Thu Oct 19, 2017 10:24 am

Sean.Wang wrote:ASI294MC Pro and ASI294MC is avaliable now.
https://astronomy-imaging-camera.com/product-category/new-products/


That's very exciting, Sean.

What causes the jump in read noise at a gain of 120? It looks like you'd lose some of the benefit of the large well depth by having to run the camera at a high gain to reduce the read noise?

Colin
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Re: ASI294MC Pro, First 14bit 4/3″ Cooled Color Camera

Postby olav » Fri Oct 20, 2017 1:03 am

mcgillca wrote:What causes the jump in read noise at a gain of 120? It looks like you'd lose some of the benefit of the large well depth by having to run the camera at a high gain to reduce the read noise?

Hi,
Took my chances and ordered the ASI294MC Pro.
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. Yes, will definitely want to use low gain for some targets.
No manual to be found.
Thanks.
-olav
CGEM-DX, AZ-EQ6 x2, C11HD/.7red/Hyperstar, TS-APO130 flat/red, TS-Star71, ASI1600MMC + EFWmini w/CLS-RGB-Ha, ASI1600MMC + EFW w/CLS-LRGB-Ha-O3-S2, ASI294MCPro, ASI290MM + EFW w/LRGB+IR642+IR742+IR807+U+CH4, SmartEQpro, EOS5D2-mod & ++lenses.
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Re: ASI294MC Pro, First 14bit 4/3″ Cooled Color Camera

Postby Sam » Fri Oct 20, 2017 9:31 am

Yes, 120 is the HCG ON point
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Re: ASI294MC Pro, First 14bit 4/3″ Cooled Color Camera

Postby Jacques Croiziers » Sat Oct 21, 2017 3:20 pm

Sean.Wang wrote:ASI294MC Pro and ASI294MC is avaliable now.
https://astronomy-imaging-camera.com/product-category/new-products/


Hello to all

This camera is really what I'm looking for.

What is the image format for RAW long poses ??

How to treat the matrix of Bayer 4x4 with software like Pixinsight ???

Best regards
Jacques
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Re: ASI294MC Pro, First 14bit 4/3″ Cooled Color Camera

Postby chipguy1us » Mon Oct 23, 2017 11:33 pm

Received camera today, but unable to use the provided mini-CD for driver install. I need ASCOM and X2 driver for Windows, and X2 driver for Mac. Cannot find these on the ZWO web site. Please provide link.
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Re: ASI294MC Pro, First 14bit 4/3″ Cooled Color Camera

Postby olav » Tue Oct 24, 2017 11:16 pm

Any manual yet?

Trying to figure out the best way to add an ir-cut or lp filter.
Will use T2 at the scope side, hoping to use the supplied M42-1.25” adapter for 1.25” filters just above the sensor glass - IF no vignetting.
Looks like some optics may have issues.
An T2 male adapter plate with clip holders for 31 or 36mm filters could be ideal.
Had hoped to avoid M48-filters, can't fit between OAG and camera.

Thanks.
-olav
CGEM-DX, AZ-EQ6 x2, C11HD/.7red/Hyperstar, TS-APO130 flat/red, TS-Star71, ASI1600MMC + EFWmini w/CLS-RGB-Ha, ASI1600MMC + EFW w/CLS-LRGB-Ha-O3-S2, ASI294MCPro, ASI290MM + EFW w/LRGB+IR642+IR742+IR807+U+CH4, SmartEQpro, EOS5D2-mod & ++lenses.
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Re: ASI294MC Pro, First 14bit 4/3″ Cooled Color Camera

Postby zorg » Fri Oct 27, 2017 12:15 pm

ASI 294 seems very interesting to me.

Why so big dark current ? Dark current is about 10 times ASI070. How it will affect long exposures performance ?.

for example
ASI 294 PRO 0.025 e-/s x 600s = 15 ev
ASI 071 0.003 e-/s x 600s = 1.8 ev, less than readnoise
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Re: ASI294MC Pro, First 14bit 4/3″ Cooled Color Camera

Postby olav » Sun Oct 29, 2017 10:48 am

Not tested mine yet due to clouds, but I'm also curious about the higher dark current and how others (doing AP and not only EAA) have been dealing with it. (ok, a bit early after just recently hitting the market)

I bought the camera primarily for my C11HD w/Hyperstar (560mm f/2) to get better shots of comets and doing some NRTV/EAA, but hope I will be happy with the results at f/7 (the C11HD with reducer at 1960mm, and a refractor at 910mm) for some faint stuff.

That is, 600s exposures would be nice, but guess I have to go a lot lower.
-olav
CGEM-DX, AZ-EQ6 x2, C11HD/.7red/Hyperstar, TS-APO130 flat/red, TS-Star71, ASI1600MMC + EFWmini w/CLS-RGB-Ha, ASI1600MMC + EFW w/CLS-LRGB-Ha-O3-S2, ASI294MCPro, ASI290MM + EFW w/LRGB+IR642+IR742+IR807+U+CH4, SmartEQpro, EOS5D2-mod & ++lenses.
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Re: ASI294MC Pro, First 14bit 4/3″ Cooled Color Camera

Postby Sam » Mon Oct 30, 2017 12:52 pm

Jacques Croiziers wrote:
Sean.Wang wrote:ASI294MC Pro and ASI294MC is avaliable now.
https://astronomy-imaging-camera.com/product-category/new-products/


Hello to all

This camera is really what I'm looking for.

What is the image format for RAW long poses ??

How to treat the matrix of Bayer 4x4 with software like Pixinsight ???

Best regards
Jacques


it is the same as other ASI cameras
you don't need to bother the bayer because you cannot access it so close
they are output as one pixel instead of 4
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