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



    
        

            AstroGG
M81
Powered byPixInsight

M81

Technical card

Imaging telescopes or lenses: CELESTRON Edge HD 800

Imaging cameras: Atik 460ex

Mounts: Sky-Watcher EQ8

Guiding telescopes or lenses: CELESTRON Edge HD 800

Guiding cameras: Starlight Xpress Lodestar-C

Focal reducers: Celestron EdgeHD 8 0.7x Reducer

Software: PHD guiding  ·  Photoshop CC  ·  Nebulosity  ·  Neat Image

Filters: L  ·  R  ·  B  ·  G  ·  Baader Planetarium H-Alpha Filter

Accessory: Starlight Xpress OAG  ·  Starlight Xpress SX USB Filter Wheel 5x2"


Dates:Jan. 28, 2018

Frames:
B: 30x120"
G: 30x120"
Baader Planetarium H-Alpha Filter: 5x600"
L: 92x300"
R: 30x120"

Integration: 11.5 hours

Avg. Moon age: 11.25 days

Avg. Moon phase: 86.63%


Basic astrometry details

Astrometry.net job: 1960861

RA center: 9h 55' 35"

DEC center: +69° 3' 46"

Pixel scale: 0.621 arcsec/pixel

Orientation: 132.156 degrees

Field radius: 0.274 degrees


Resolution: 2544x1908

Comments

Sky plot

Sky plot

Histogram

M81, 



    
        

            AstroGG