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Messier 81 (Bode's Galaxy)

Technical card

Imaging telescope or lens: Takahashi FC-100

Imaging camera: Nikon D700

Mount: Takahashi EM-200

Guiding telescope or lens: Orion Short Tube 80

Guiding camera: QHY5L-II-C

Software: Andreas Rörig RegimAdobe Lightroom PhotoshopPHD2

Resolution: 2058x2058

Dates: Jan. 9, 2016

Frames: 5x240"

Integration: 0.3 hours

Avg. Moon age: 28.43 days

Avg. Moon phase: 1.37%

Astrometry.net job: 909189

RA center: 149.877 degrees

DEC center: 69.191 degrees

Pixel scale: 2.186 arcsec/pixel

Orientation: -168.268 degrees

Field radius: 0.884 degrees

Description

Bode's Nebula (M 81) at the bottom right is a spiral galaxy located about 12 million light-years away in the constellation Ursa Major. The Cigar Galaxy (M 82) is at the top with NGC 3077 at the lower left.

A stack of 5 exposures by 4 minutes @ ISO 2500, taken with a non-modified Nikon D700 through Takahashi FC-100 driven by Takahashi EM-200 AGS-1BLD and guided by PHD2 with QHY5L-II-C through Orion ST80.

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Messier 81 (Bode's Galaxy), deletio