34 x 400 sec Clear + 1.5H RGB (2x2)
34 x 400 sec Clear + 1.5H RGB (2x2)
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Unfiltered: 34 x 400 sec
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Taken on April 25 & 26 and May 1, 2008 from my ranch near Mariposa, Ca.
Astro-Physics AP180EDT f/9 imaging scope used at f/9
Finger Lakes PL3200 imaging camera operated at -45C
Robo-Focus Focuser
Finger Lakes CFW7 Filter wheel
Astro Physics 80/900mm guide scope
SBIG ST7E guide camera
Optec RGB filters, 50.8 mm unmounted
34 exposures of 400 seconds unfiltered for luminance: 3 hours 40 minutes
10 exposures of three minutes for each color filter, R, G, B; 1.5 hours total color exposure time
Total exposure time = 5 hours 15 minutes