Best ZWO monochrome cam for a C9.25 (290mm or 120 mms)

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AstroZed
Posts: 6
Joined: Sun May 13, 2018 3:34 am

Best ZWO monochrome cam for a C9.25 (290mm or 120 mms)

Post by AstroZed » Sun May 13, 2018 3:51 am

Hi all,

As the thread title suggests I’m looking for the best optimized monochrome cam from ZWO to be used for high resolution planetary imaging especially Mars with a Celestron C9.25 (fl = 2350mm).

I have read reviews where it said that the ASI 290 mm is better suited for larger aperture scopes and might be “overkill” for a C9.25.

Would an ASI 120 mms (super high FPS model) be better for my scope setup?
And additionally is there another ZWO monochrome cam best suited for use with a C9.25 (newer cams included) other than the two I mentioned?

Thanks in advance

AstroZed
Posts: 6
Joined: Sun May 13, 2018 3:34 am

Re: Best ZWO monochrome cam for a C9.25 (290mm or 120 mms)

Post by AstroZed » Fri May 18, 2018 12:33 am

Sam or anyone, any guidance you can provide here?

The 120mms have gotten very affordable now but I don’t want to waste my money on it if another camer would be better.
Same goes for the 290 mm, if it’s going to be overkill for a C9.25 then I want to avoid that route.

Anyone can provide some feedback here?
thanks

TareqPhoto
Posts: 29
Joined: Sat Sep 02, 2017 5:12 pm

Re: Best ZWO monochrome cam for a C9.25 (290mm or 120 mms)

Post by TareqPhoto » Tue Jun 26, 2018 12:13 pm

It is maybe late and i don't know what did you buy already.

My choice will be either 290 or same my camera i use which is ASI385MC, ASI224MC is same as this 385 but less resolution, but if you really want a mono camera then i think the best option is 290 definitely, in fact i am planning to get this camera or 174mm so i can use it for solar and lunar too, but sounds i will start with 290, i don't have C9.25 but i have a 7" Mak, so it isn't a bad option after all.

watcheroftheskies
Posts: 3
Joined: Sun Jun 16, 2019 7:44 pm

Re: Best ZWO monochrome cam for a C9.25 (290mm or 120 mms)

Post by watcheroftheskies » Thu Aug 01, 2019 12:09 pm

I know this is a very old post but if I may add something to the post which others may pick up on:
I purchased the ASI 290mm and although I am haing some dropped frames issue which I hope to resolve by adding a SSD I find the camera very promising for planetary with my C9.25".
Another point which I would like to add is - I have a Lunt H-Alpha scope and with my old ASI120mm USB II camera I used to get terrible Newton's rings, however with the 290mm I am pleased to report using the same H-Alpha OTA I no longer get them.

Keith.

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