M108
Date: 4/4/2015
Description: Messier 108 (also known as NGC 3556) is a barred spiral galaxy in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 or 1782.[5] From the perspective of the Earth, this galaxy is seen almost edge-on [Ref: WikiPedia]
Sky Conditions: Clear sky, medium - urban light pollution (half moon)FWHM: 3.0 - 3.5 arc sec/pixel
Imaging: Exposure: 4x60 min (8 x 450sec/ea.) at 2x2 bin using LRGB filters
Guiding: 10 sec at 2x2 bin using NOAG
Equipment:
SBIG STF8300M CCD (LRGB filters)
AT12RC at F8
Starlight Focuser NOAG w/SBIG ST402 guide camera AP1200 Mount
SW: Maxim DL V6, FocusMax, AP ASCOM V2, SkyX, PixIsight - calibration with darks, flats, bias.