Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Orion Nebula  ·  M 42  ·  M 43  ·  Mairan's Nebula  ·  NGC 1976  ·  NGC 1982  ·  Orion Nebula  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori
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First M42 with new setup, 


First M42 with new setup
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Technical card

Imaging telescopes or lenses: ASA - ASTRO SYSTEME AUSTRIA Newton 12"

Imaging cameras: ALccd QHY268C QHY268C

Mounts: EQ 8

Guiding cameras: Lacerta M-Gen III

Focal reducers: ASA - Astro System Austria 3" Wynne corrector

Software: PixInsight PixInshight Core 1.8 Ripley

Dates:Nov. 20, 2020

Integration: 0.0 hours

Avg. Moon age: 5.74 days

Avg. Moon phase: 32.91%

Basic astrometry details

Astrometry.net job: 4030293

RA center: 5h 35' 1"

DEC center: -5° 27' 10"

Pixel scale: 0.702 arcsec/pixel

Orientation: 221.768 degrees

Field radius: 0.724 degrees

Resolution: 6185x4119

Locations: Eifel, Bei Düren, NRW, Germany

Data source: Backyard


M42 could have easily tolerated one or two hours more exposure - or a pass in narrow band with Ha. But a nice layer of ice on the telescope and the onset of tiredness set a limit. I deliberately did not use any colour here - even if it is a trend, I like the naturalness of the object.


Sky plot

Sky plot


First M42 with new setup,