by darkfire » Wed Dec 15, 2010 8:43 pm
Object: M1
Exposure: 147 x 600 secs (
24 h 20 m.)
Filter: Astronomik HAlpha 12nm
Camera: Atik 16IC
Telescope: Takahashi TSA 102 D=102mm F=612mm
Mount: HEQ5 synscan
Seeing: 3 arcsec.
Selection from 227 frames and 11 nights
Darkframes: 21x600 for night
Dark Of flatfield: 31x0.2 for night
Flatfield: 31x0.2 for night
Thanks
Roberto Barcellona
rbarcellona@tin.it
[img2]http://img713.imageshack.us/img713/7580/m1147x600atik16ictakaha.png[/img2]
Object: M1
Exposure: 147 x 600 secs ([b]24 h 20 m.[/b])
Filter: Astronomik HAlpha 12nm
Camera: Atik 16IC
Telescope: Takahashi TSA 102 D=102mm F=612mm
Mount: HEQ5 synscan
Seeing: 3 arcsec.
Selection from 227 frames and 11 nights
Darkframes: 21x600 for night
Dark Of flatfield: 31x0.2 for night
Flatfield: 31x0.2 for night
Thanks
Roberto Barcellona
rbarcellona@tin.it