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



    
        

            William Jordan
M81 Bode's Galaxy
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M81 Bode's Galaxy

M81 Bode's Galaxy, 



    
        

            William Jordan
M81 Bode's Galaxy
Powered byPixInsight

M81 Bode's Galaxy

Technical card

Imaging telescopes or lenses: AG Optical 12.5" iDK

Mounts: Software Bisque Paramount Paramount MX+

Software: Software Bisque TheSky6 Pro

Filters: Astrodon Blue  ·  Green  ·  Red


Dates:April 16, 2018

Frames:
Astrodon Blue: 33x300" (2h 45') ISO-1 bin 1x1
Green: 29x300" (2h 25') bin 1x1
Red: 30x300" (2h 30') bin 1x1

Integration: 7h 40'

Avg. Moon age: 0.44 days

Avg. Moon phase: 0.22%

Bortle Dark-Sky Scale: 6.00


Basic astrometry details

Astrometry.net job: 2021483

RA center: 9h 55' 35"

DEC center: +69° 4' 4"

Pixel scale: 0.440 arcsec/pixel

Orientation: 0.792 degrees

Field radius: 0.364 degrees


Resolution: 3816x4581

Locations: Ye Olde Driveway, The Woodlands, TX, United States

Description

192 minutes each of R/G/B, guided and unguided taken over a couple nights. Still not quite settled on processing technique.

Comments

Sky plot

Sky plot

Histogram

M81 Bode's Galaxy, 



    
        

            William Jordan