Hemisphere:  Northern  ·  Contains:  Bode's galaxy  ·  Bode's nebulae  ·  M 81  ·  M81  ·  NGC 3031  ·  PGC28505  ·  PGC28529  ·  PGC28757
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Messier 81, 



    
        

            Peter Goodhew
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Imaging telescopes or lenses: APM Telescopes TMB - LZOS Apo refractor 152/1200

Imaging cameras: QSI 6120wsg-8

Mounts: 10Micron GM2000HPS II

Guiding cameras: Starlight Xpress Lodestar Autoguider X2


Dates:Jan. 25, 2017

Frames:
Astrodon 5nm H-Alpha filter: 5x1800" bin 1x1
Astrodon Blue: 14x300" bin 1x1
Green: 14x300" bin 1x1
Astrodon Lum: 30x300" bin 1x1
Red: 14x300" bin 1x1

Integration: 8.5 hours

Avg. Moon age: 27.13 days

Avg. Moon phase: 6.36%


Astrometry.net job: 2455507

RA center: 9h 55' 23"

DEC center: +69° 4' 11"

Pixel scale: 0.534 arcsec/pixel

Orientation: 91.763 degrees

Field radius: 0.363 degrees


Resolution: 4075x2729

Locations: e-Eye, Fregenal de la Sierra, Extramadura, Spain

Data source: Own remote observatory

Remote source: IC Astronomy Observatories

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PeterGoodhew
Peter Goodhew
License: None (All rights reserved)
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  • Messier 81, 



    
        

            Peter Goodhew
    Original
  • Final
    Messier 81, 



    
        

            Peter Goodhew
    B

B

Description: Increased saturation

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Messier 81, 



    
        

            Peter Goodhew