Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  NGC 3031
M81, 



    
        

            dnault42
M81
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M81

Technical card

Imaging telescopes or lenses: Astro-Tech AT65E

Imaging cameras: Atik 314E

Mounts: Losmandy G11

Guiding telescopes or lenses: Orion ShortTube 80 f/5

Guiding cameras: Orion Star Shoot Planetary Imager & Autoguider

Software: PixInsight  ·  ESA/ESO/NASA NASA Fits Liberator  ·  PHD guiding  ·  DeepSkyStacker  ·  CCDWare Weather Ninja  ·  The New CCD Astronomy CCD Calc  ·  Stellarium  ·  Artemis Capture

Filters: Baader Planetarium UV/IR Cut Filter

Accessory: ADM Side by side plate


Dates:Dec. 30, 2011

Frames: 12x300" (1h)

Integration: 1h

Avg. Moon age: 5.78 days

Avg. Moon phase: 33.29%


Basic astrometry details

Astrometry.net job: 122192

RA center: 09h55m54s.7

DEC center: +69°0220

Pixel scale: 4.565 arcsec/pixel

Orientation: 92.582 degrees

Field radius: 0.538 degrees


Resolution: 620x471

Locations: Georgetown TX, None

Description

M81. Seeing was not particularly good this evening. It almost looks like it was not in focus it's so hazy.

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M81, 



    
        

            dnault42