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11-16-2011, 10:26 AM   #1
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Has anyone used the O-GPS1 for nightsky photography?

I have a unit on order but I'm debating whether or not to cancel the order. I want it strictly for night sky work. Geotagging is of no interest to me. Anyone? Thanks!

11-16-2011, 11:14 AM   #2
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I had, it is fun to use. I got some pretty good shots, mainly with longer lenses 200-300mm. With wide angle the lens distortion will ruin the long exposures anyway (takling about DA14).
This is ilustrating the problem with wide angle:
http://pentaxfriends.eu/gallery/albums/userpics/OBR_8935.jpg
It is not a full replacement of equitorial mount but when correctly calibrated, it can get you quite long way in astrophotography.
11-16-2011, 11:35 AM   #3
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QuoteOriginally posted by elho_cid Quote
I had, it is fun to use. I got some pretty good shots, mainly with longer lenses 200-300mm. With wide angle the lens distortion will ruin the long exposures anyway (takling about DA14).
This is ilustrating the problem with wide angle:
http://pentaxfriends.eu/gallery/albums/userpics/OBR_8935.jpg
It is not a full replacement of equitorial mount but when correctly calibrated, it can get you quite long way in astrophotography.
Take a look at Gimball's Andromeda Galaxy shot here:

https://www.pentaxforums.com/forums/pentax-dslr-discussion/113178-astrophotog...ml#post1696597

Quite convincing, don't you think?
11-16-2011, 01:05 PM   #4
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Cool. I also tried to aim for Andromeda galaxy and I thought I got a good shot but this is a lot better. Stone G congratulations on your Jupiter. My best attempt is not that good yet.

11-17-2011, 03:15 AM   #5
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Thanks elho_cid. Now, if I could only say that my Jupiter image was the result of years of training and build-up of expertice and skills. But to be honest, this was just one of those rare nights, where the air was a little bit hazy but (almost) absolutely steady and calm. Nothing replaces good seeing when it comes to this type of photography so, I am sure your chance will also come some day!
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