Photographing Deep Sky is the most difficult part of Astro photography.
Now the digital revolution opens a lot of possibilities. Digital Astro photography isn't as hard as the classical photography.
It's a complete different experience.
Date: 22/01/2008
Telescope: William Optics Zenithstar 110 Apo
Mount: EQ6 modified with Astromeccanica motors and FS2 Controller on an Epsilon Modular Pier
System: William Optics FF III + flats and darks
Camera: Canon EOS 350D modified with Baader filter and an Idas LPS-frontfilter
Exposure: 13 X 15 sec @ 1600asa
Autoguiding: No autoguiding (the autoguiding with K3CCD didn't work :-(
Treatment: Deepskystacker and Photoshop
Remarks: Autoguiding isn't obvious with the EQ6. Every time it's searching for the best settings. When the autoguiding works it's a pleasure and then all kind photo's are possible.
The vignetting mystery has been solved. I removed the last baffle in the focuser.
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