M3 - NGC5272

in Canes Venatici

M3

Optic
Astrophysics Starfire 130EDT/ f/8 (f=1040mm)
Mount
Losmandy HGM-Titan
Camera
SBIG ST-10XE + CFW8 + AO7
Exposure time
LRGB: 76min:32min:32min:32min (single images: 4min, 2x2 Bin on RGB)
Processing
Sigma Beta 10 (Ray Gralak), MaximDL, Photoshop
Date / Time
13th March 2007
Location
Bucklige Welt / Niederoesterreich
Notes
AO7 with 37Hz on Luminance, Chip-Temp: -20°C

astrophotos © by manfred schwarz