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M81 M81

M81

Contains: M 81, M 82

Technical card

Imaging telescopes or lenses: Sky-Watcher 200/1000 Reflector

Imaging cameras: NIKON d90

Guiding telescopes or lenses: Lunatico Astronomia EZG60

Software: DeepSkyStacker,  PixInsight,  photoshop

Resolution: 4297x2857

Dates: Dec. 28, 2011

Locations: Casinos AVA

Integration: 0.0 hours

Avg. Moon age: 3.40 days

Avg. Moon phase: 12.52%

RA center: 09:54:15.593

DEC center: +69:05:46.122

Pixel scale: 1.13 arcsec/pixel

Orientation: 117.15 degrees

Field width: 80.94 arcminutes

Field height: 53.84 arcminutes

Description

Due to coma error I didn't center the classic M81 & M82 composition, I wanted M81 free of coma

Comments

Alvinillo
Alvinillo
License: Attribution Creative Commons
March 27, 2012
83
1
3.750
0

Histogram

Histogram