M101, the Pinwheel galaxy,
is a face on spiral galaxy in Ursa Major measured at a distance of 21 million
light years. The bright structure to the
right of M101 is the peculiar galaxy NCG 5474.
Peculiar galaxies are dwarf galaxies that form as a result of galaxies
interacting. The gravitational pull from
nearby galaxies causes the peculiar galaxy to be of unusual shape size or
This was imaged from dark
skies of Chiefland, Florida
and light polluted skies of Ocala,
Luminance: combination of 8 minute, 15 minute and 30
minute subs totaling 11 hours and 8 minutes.
Red 6min x3 and 8min x3
Green 6min x3 and 8min x3
Blue 6min x3 and 8min x3
Imaging telescope: Orion 80mm EON
Imaging camera: QSI 683 wsg-8
Losmandy G11 with Gemini 2
German equatorial mount.