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Old 06-05-2019, 06:11 PM
benklerk
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benklerk is offline
 
Join Date: May 2008
Location: Katoomba
Posts: 294
OAG or guidescope

Just going over finer details now

GSO 14 RC with a Moravian G4-16000 camera.

I'm using a Skywatcher 72ED on my portable setup as a guide scope with a ZWO 174mm mini guide camera.

I live in Bortle 3/4 skies and my seeing can get as low 1 arc sec avg is around 2".

The mount i'm getting will be the new JTW friction drive mount.

I have attached the image scales using different setups.

If I don't get the OAG adapter I can get the 290mm mini guide camera instead as they cost the same.

So my question is, is going OAG worth it? The mount im getting will be very solid and I can do longish unguided. So when I do guide I can set guided pulses to 15 or 20 seconds or longer?
Im just coming from the idea that the mount will compensate the use of an OAG as the mount will be good enough to do long guide pulses corrections.
Attached Thumbnails
Click for full-size image (GSO 14 72ED 174mm guide setup.png)
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Click for full-size image (GSO 14 72ED 290mm guide setup.png)
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Click for full-size image (GSO 14 OAG 174mm guide setup.png)
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