FreeLists / az-observing / [AZ-Observing] Re: Webcam Mars from Tucson Sunday Night

[Jeff Hopkins <phxjeff@xxxxxxxxxxx>]

>This time I setup to try my hand at a webcam photo things turned out
>much better. It helps that Mars was not jumping about the frame like a
>blob of jello.  The first time I setup last week the equipment was
>running great as I figured out how to use the software, but I didn't
>even think about processing what little material I did save to disk.  I
>did store a few sequences of Mars and the Moon, as a great example of
>bad seeing!  The scintillation of Vega also makes great video.
>
>Has anyone considered analysing the optics of the telescope by using a
>webcam at high power and stacking a stellar image to view the airy disk
>and diffraction rings?
>
>Last night the seeing was OK, but not great, maybe a 6 with a bit of 7.
>So I shot sequences of 600 frames at 1/1000 of a second hoping to freeze
>what movement there was.  The resulting image is 500 frames stacked.  I
>don't think it is too bad for my first real attempt at this sort of
>imaging. I still need a couple things, a barlow, and maybe an IR filter,
>but even without it did work...
>
>http://www.whitethornhouse.com/dropbox/Mars200309072335.jpg
>
>I can't wait for Jupiter and Saturn!
>
>Andrew
>
>--
>
>Andrew Cooper
>Tucson, AZ
>mailto:acooper@xxxxxxxxx
>http://www.whitethornhouse.com

Andrew,

Great image! I still have not been able to grab decent ones of Mars. 
That's a real accomplishment!

I'm jealous! :-)

Jeff
-- 
                                           Jeff Hopkins
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