The Pinwheel Galaxy in Ursa Major also known as M101
is about twice the diameter of our own galaxy the Milky Way and is thought to contain about 1 trillion stars.
Luminance data:
Avalon linear fast reverse
Askar 107 PHQ Flatfield Astrograph
CCD Atik One 6.0
ZWO ASI290MM Mini + WO UniGuide 50mm Scope
Luminance Baader
Exposure: 172*180sec
Location: Stinger of Scorpius Observatory, Filiates, Thesprotia, Greece.
Color data:
W.O FLT110 with dedicated TMB field flattener
Sky-Watcher EQ6 Pro Belt Drive Mod
Asi 533 MC Pro Color
W.O ZS 80 ED
P1 Mars-C IMX 462
FeatherTouch 3'' focuser
Starizona MicroTouch autofocuser
Exposure: 106*180sec
Location: Via Lactea Observatory, Kristallopigi Paramithia, Greece
Total Integration:13h 54min
Color data:
W.O FLT110 with dedicated TMB field flattener
Sky-Watcher EQ6 Pro Belt Drive Mod
Asi 533 MC Pro Color
W.O ZS 80 ED
P1 Mars-C IMX 462
FeatherTouch 3'' focuser
Starizona MicroTouch autofocuser
Exposure: 106*180sec
Location: Via Lactea Observatory, Kristallopigi Paramithia, Greece
Total Integration:13h 54min