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Sculptor Galaxy (NGC 253)

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First imaging

Started by [email protected], 07/20/2008 06:07AM
Posted 07/20/2008 06:07AM Opening Post
This is my first time imaging with a webcam (technically first image was the night before, but brief with clouds). I have a 16" modified Discovery dob, and use a cheap 1.3meg Radio Shack Gigaware webcam. I had a Toucam, but got my own new laptop (used my work) and it has Vista. So, the Toucam was out, and I have been shopping for a new webcam, even thinking of taking apart a Logitech Notebook Pro into a project box. I ran across the Radio Shack and decided to give it a whirl, and it's honestly not bad.

The composite below is taking avi.'s as Jupiter goes across the field, and stacking what I can to get these images. All tips and tricks are appreciated.

Attached Image:

mileslegionis@verizon.net's attachment for post 42928

16" f/4.52 ATM Truss Dob, Discovery Mirror
Denk II w/nags junkie

Posted 07/20/2008 12:38PM #1
Guy, great images! It would not be suprising if the Radio Shack webcam was using the same chip as the Toucam. Try stacking different amounts of frames, sometimes you can improve the detail by using less. Not sure what gamma setting you used but you may be able to increase the capture of details by increasing it 10-30%. With Jupiter so low in the sky, the atmospheric seeing may be limiting what your scope/cam can really do. Good luck and keep posting

Regards,
Steve
Posted 07/20/2008 04:12PM #2
Thats great. Better than my first ever attempts.

Just for fun, if you still have the avi's it might be worth playing around in Registax by using resampling or drizzle on the Optimize tab. You might can imcrease your effective image scale without having to use a barlow and reduce your field of view that you need for drifting. That might work, depending on how bright the avi is.

Clear skies,
Jason Irby

http://JasonIrby.net/Astronomy