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Thread: 10" Dobwith ASI120MC-S, ASI224MC or ASI290MC?

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    Default 10" Dobwith ASI120MC-S, ASI224MC or ASI290MC?



    I know my manual AD10" Dob is not the best to use, but I am gona give it a go for a ZWO. (if that is my best option?).

    Now I read about some focus problems with Dobs so without modifying the scope which ZWO should I go for?

    ASI120MC-S, ASI224MC or ASI290MC? I am also open to any other recommendations.

    I would like to keep it under $350 for the best one that would perform with my scope setup. Also any extras that I may need with it? I plan on getting a EQ goto mount in the future as well.

    Thanks all
    Telescope Apertura AD10 10" Dob, Skywatcher Apo Refractor Equinox ED80 500mm F/6.25 Mounts Celestron Advanced VX EPs 10mm SWA 70 degree FMC, 15mm SWA 70 degree FMC, GSO 9mm Plossl, 30mm Super View 2" GSO SuperView 30mm, Sybony 4mm 62 Degree Barlows Baader 1.25" 2.25x Q Barlow HT with T adapter and spacers to make it go up to 4x+, GSO 2x Shorty Filters Astronomik CLS-CCD 2", Orion moon 25% - Baader Neodymium Moon & Skyglow Filter, ZWO 2" IR Cut Filter Camera ZWO ASI385MC, ZWO ASI294MC Pro

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    Default Re: 10" Dobwith ASI120MC-S, ASI224MC or ASI290MC?

    Not sure if the newtonian focus problems extend to CMOS cameras or not. They certainly do with DSLR cameras. I can easily focus my ZWO ASI120MM with m 12" AD12.

    That may or may not be applicable to other ZWO models or the AD10.

    Doesn't help much does it?
    Bryan

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    Default Re: 10" Dobwith ASI120MC-S, ASI224MC or ASI290MC?

    Quote Originally Posted by bladekeeper View Post
    Not sure if the newtonian focus problems extend to CMOS cameras or not. They certainly do with DSLR cameras. I can easily focus my ZWO ASI120MM with m 12" AD12.

    That may or may not be applicable to other ZWO models or the AD10.

    Doesn't help much does it?
    Thanks Blade, That helps at least I know that it will probably work with that one
    Telescope Apertura AD10 10" Dob, Skywatcher Apo Refractor Equinox ED80 500mm F/6.25 Mounts Celestron Advanced VX EPs 10mm SWA 70 degree FMC, 15mm SWA 70 degree FMC, GSO 9mm Plossl, 30mm Super View 2" GSO SuperView 30mm, Sybony 4mm 62 Degree Barlows Baader 1.25" 2.25x Q Barlow HT with T adapter and spacers to make it go up to 4x+, GSO 2x Shorty Filters Astronomik CLS-CCD 2", Orion moon 25% - Baader Neodymium Moon & Skyglow Filter, ZWO 2" IR Cut Filter Camera ZWO ASI385MC, ZWO ASI294MC Pro

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    Default Re: 10" Dobwith ASI120MC-S, ASI224MC or ASI290MC?

    My ASI120mc will focus on my XT8G dob
    Scopes: Orion 130mm APO Triplet, Orion 8" f4 astrograph, 10" RC Mount: Celestron CGX-L Guiding: Orion 60mm f4 scope, Starlight Loadstar, PHD2 software - Cams: Planetary: ASI120mc, DSO:Atik 383L+, SGPsoftware Processing : Regisax, Deep Sky Stacker, Star Tools, Pixinsight Assistant: One very large cat
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    Default Re: 10" Dobwith ASI120MC-S, ASI224MC or ASI290MC?

    if all els fails these might give you some extra mm positioning closer to focal point,might want to look for a usb 3 version.great for diy view finder guidscopes

    https://astronomy-imaging-camera.com...90mm-mini-mono

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    ar127s /
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    10'' dob
    cameras : asi 1600mm-c/asi1600mm-c,asi120mc,prostar lp guidecam, nikkon d60, sony a7
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    Default Re: 10" Dobwith ASI120MC-S, ASI224MC or ASI290MC?

    Likely to achieve prime focus but you might want to give some thought to your FOV.

    You are talking about a focal length of about 1200mm and with a tiny sensor you end up with a tiny FOV. That tiny sensor does mean that you don't deal with the peripheral coma - but finding your target and then tracking it are much harder than if you had a much bigger sensor.

    I think you will rapidly decide that it is not worth the effort and will get a tracking mount/rig for your imaging purposes. But the camera will continue to work if/when you choose a different approach.
    bladekeeper and thebutcher like this.

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