Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
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M81 & M82 (with SN 2014J) HaRGB, 



    
        

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

Technical card

Imaging telescopes or lenses: Takahashi FSQ-106 ED

Imaging cameras: Starlight Xpress SX-814 Trius Monochrome CCD

Mounts: Sky-Watcher EZ-EQ6 GT

Guiding telescopes or lenses: Opticstar AR80S (f5) Gold Guidescope

Guiding cameras: Starlight-XPress Lodestar Autoguider

Software: Sequence Generator Pro  ·  Pleiades Astrophoto PixInsight 1.8 RC7

Filters: Red  ·  Green  ·  Blue  ·  Ha 5nm

Accessory: Lakeside Astro Motor Focus System  ·  Starlight Instruments FTF3545B-A Focuser  ·  Starlight-XPress Filter Wheel


Dates:March 8, 2014April 26, 2014

Frames:
Blue: 12x300" (1h) -25C bin 1x1
Green: 12x300" (1h) -25C bin 1x1
Ha 5nm: 19x1800" (9h 30') -25C bin 1x1
Red: 12x300" (1h) -25C bin 1x1

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: 9h 54' 3"

DEC center: +69° 18' 32"

Pixel scale: 1.436 arcsec/pixel

Orientation: 179.877 degrees

Field radius: 0.757 degrees


Resolution: 2949x2391

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.

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M81 & M82 (with SN 2014J) HaRGB, 



    
        

            Mike Oates