Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
Getting plate-solving status, please wait...
M81 & M82 (with SN 2014J) HaRGB, 



    
        

            Mike Oates
M81 & M82 (with SN 2014J) HaRGB
Powered byPixInsight

M81 & M82 (with SN 2014J) HaRGB

Getting plate-solving status, please wait...
M81 & M82 (with SN 2014J) HaRGB, 



    
        

            Mike Oates
M81 & M82 (with SN 2014J) HaRGB
Powered byPixInsight

M81 & M82 (with SN 2014J) HaRGB

Acquisition details

Dates:
March 8, 2014 ·  April 26, 2014
Frames:
Blue: 12×300(1h) -25°C bin 1×1
Green: 12×300(1h) -25°C bin 1×1
Ha 5nm: 19×1800(9h 30′) -25°C bin 1×1
Red: 12×300(1h) -25°C bin 1×1
Integration:
12h 30′
Flats:
30
Bias:
100
Avg. Moon age:
16.98 days
Avg. Moon phase:
29.26%

Basic astrometry details

Astrometry.net job: 313674

RA center: 09h54m03s.6

DEC center: +69°1832

Pixel scale: 1.436 arcsec/pixel

Orientation: 179.877 degrees

Field radius: 0.757 degrees

Resolution: 2949x2391

File size: 4.5 MB

Locations: The Hills Observatory, Manchester, United Kingdom

Data source: Backyard

Description

Taken over a few nights from 2014/03/08 to 2014/04/26. M82 shows a fading SN 2014J. This is my first RGB image, with Ha added.

Comments

Sky plot

Sky plot

Histogram

M81 & M82 (with SN 2014J) HaRGB, 



    
        

            Mike Oates