Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  M 81  ·  NGC 3031
M81 - Bode's Galaxy, Kirk
M81 - Bode's Galaxy
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M81 - Bode's Galaxy

M81 - Bode's Galaxy, Kirk
M81 - Bode's Galaxy
Powered byPixInsight

M81 - Bode's Galaxy

Equipment

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Description

Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a spiral galaxy about 12 million light-years away in the constellation Ursa Major. M81 is about 95,000 light years across, just a little smaller than the Milky Way galaxy at 100,000 light years across.

Taken: Feb. 20, 2012

Telescope: AT8RC at f/8 (0.68 arcsec/pixel) - FOV 28.6 x 37.9 arcmin

Mount: G11 w/ Gemini II

Camera: SBIG ST8300M @ -25C

Filter(s):

IDAS LPS-P2-48

Luminance 13 x 5min. bin 1x1

Red 6 x 5min. bin 1x1

Green 6 x 5 min. bin 1x1

Blue 6 x 5 min. bin 1x1

Exposure Time: 2 hours & 35 minutes

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M81 - Bode's Galaxy, Kirk