Stare into Messier 101 aka Pinwheel Galaxy in Constellation Ursa Major or the Big Dipper.
M101 is about 250 million light years end to end. It’s estimated to contain over a trillion stars that make it a grand spiral galaxy with active super novae and new star formation.
Image taken with my modified SVbony MK105 Maksutov with IMX585 sensor on a AM5N harmonic drive Equatorial mount in Bortle 2 UV/IR Cut, Elevation 2700 feet.
Stacked lights/dark/bias/flats and Processed by me using Siril + GraXpert/Cosmic Clarity/Veralux Scripts & touched up in GIMP.
by fractal_disarray
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Integration time in Bortle 2
25,560 seconds or 7ish hours.
213 lights x 120 seconds
30 flats
30 darks
30 biases