Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Cigar Galaxy  ·  M 82  ·  NGC 3034
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Messier 82 - RGBHOO (OSC), 



    
        

            Randy Roy
Messier 82 - RGBHOO (OSC)
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Messier 82 - RGBHOO (OSC)

Technical card

Imaging telescopes or lenses: GSO Ritchey-Chrétien 6" f/9

Imaging cameras: ZWO ASI533MC Pro

Mounts: Skywatcher EQ6R Pro

Guiding telescopes or lenses: QHYCCD Mini 30 mm Guide Scope

Guiding cameras: QHYCCD 5-III 178C

Focal reducers: GSO 0.75 RC

Software: APT Astro Photograhy Tool  ·  StarTools 1.6.400 MR1  ·  Astro Pixel Processor  ·  PHD2 Guiding Open Guiding

Filters: Optolong L-eXtreme 1.25"


Dates:Feb. 22, 2021March 3, 2021

Frames:
ZWO IR CUT: 202x60" (gain: 100.00) -5C
Optolong L-eXtreme 1.25": 60x240" (gain: 100.00) -5C

Integration: 7.4 hours

Darks: ~50

Flats: ~30

Bias: ~50

Avg. Moon age: 14.61 days

Avg. Moon phase: 76.54%

Bortle Dark-Sky Scale: 5.00


Basic astrometry details

Astrometry.net job: 4275833

RA center: 9h 55' 54"

DEC center: +69° 40' 58"

Pixel scale: 1.039 arcsec/pixel

Orientation: 179.986 degrees

Field radius: 0.371 degrees


Resolution: 1721x1905

Data source: Backyard

Description

Messier 82 lies 12 million light-years away in the constellation Ursa Major. It is part of the M81 galaxy group. This image was made by combining RGB extracted images with Ha and OIII images.

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