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John Wall III
member
Reged: 03/07/08
Posts: 73
Loc: Angleton, Texas USA
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Re: Startest of Astro Tech AT 111 EDT
04/29/08 11:02 PM
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Quote:
John,
are the sets the same picture, just zoomed in electronically after you took them?
Volker,
The last photo's were the second set I took that first night, I hand picked the first two that I presented out of both sets to give a good impression. So two of them possibly could have been the same, but I didn't zoom in electronically to present them. What I meant by zooming in was in Windows using the scroll feature. It really gives a good view.
Seeing was good last night so I pulled my newly collimated AT111 out for a test. I tried to be a little more scientific about it this time in that I used the computer to capture and file the star images. Just by comparing the Canon XTi Camera with an eye piece, I figure it to be about the same as a 20mm EP. So I figure the lo power pictures to be about 80X. For the last 4 hi power pix, I used a projection camera adapter with a 12.5mm ortho EP on my Canon XTi Camera. It's a very hi magnification, but I'm not sure how to figure the exact amount because it is a variable adapter. Does anyone have any Idea what it would be with it set at about 1/3? I was able to crank in there pretty good this time, what do you think?
http://www.pbase.com/lightstuff/testing&page=3
-------------------- Wishing you Clear Skies,
JVWIII
http://www.pbase.com/lightstuff
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