Hemisphere:  Southern  ·  Contains:  Great Nebula in Orion  ·  M 42  ·  M 43  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1982  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri
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The Great Orion nebula (M42) in HaRGB Mosaic, 



    
        

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The Great Orion nebula (M42) in HaRGB Mosaic
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The Great Orion nebula (M42) in HaRGB Mosaic

Technical card

Imaging telescopes or lenses: SKYROVER 80mm APO F6  ·  SharpStar AL107 PH

Imaging cameras: QHYCCD QHY183M  ·  QHYCCD 163M

Mounts: Skywatcher AZ EQ-6 GT

Guiding telescopes or lenses: SharpStar AL107 PH

Guiding cameras: QHYCCD QHY5L II Autoguider

Focal reducers: SkyRover 2.5" Field flattener  ·  Sharpstar LARGE PHOTOGRAPHIC FIELD FLATTENER FOR 2.5" FOCUSERS

Filters: Astrodon LRGB 1.25" E series Gen 2  ·  Custom Scientific H-alpha 3nm

Accessory: QHYCCD OAG-S


Frames:
Custom Scientific H-alpha 3nm: 95x900" (gain: 200.00) -15C bin 1x1
Custom Scientific H-alpha 3nm: 30x60" (gain: 50.00) -15C bin 1x1
Astrodon LRGB 1.25" E series Gen 2: 90x10" (gain: 50.00) -15C bin 1x1
Astrodon LRGB 1.25" E series Gen 2: 320x300" (gain: 50.00) -15C bin 1x1

Integration: 51.2 hours


Basic astrometry details

Astrometry.net job: 2547886

RA center: 5h 35' 0"

DEC center: -5° 19' 30"

Pixel scale: 1.285 arcsec/pixel

Orientation: 0.569 degrees

Field radius: 1.009 degrees


Resolution: 4000x4000

Locations: Hanoi Southern Observatory, Hanoi, Viet Nam

Data source: Backyard

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tranha053
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License: None (All rights reserved)
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The Great Orion nebula (M42) in HaRGB Mosaic, 



    
        

            Trần Hạ