Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 the01 Ori  ·  43 the02 Ori  ·  44 iot Ori  ·  De Mairan's nebula  ·  Great Orion Nebula  ·  Hatysa  ·  Lower Sword  ·  M 42  ·  M 43  ·  M43  ·  Mairan's Nebula  ·  NGC 1976  ·  NGC 1980  ·  NGC 1982  ·  NGC1980  ·  Orion Nebula  ·  Sh2-281  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri
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M42 - 2 exposure HDR, 



    
        

            Richard Kelley
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M42 - 2 exposure HDR

Imaging telescopes or lenses: Stellarvue SVX130T

Imaging cameras: ZWO ASI2600MC Pro

Mounts: iOptron CEM60

Guiding telescopes or lenses: William Optics GuideStar 61

Guiding cameras: ZWO ASI290MM mini

Focal reducers: Stellarvue SFF4-130T-35SV flat-field corrector 1.0x

Software: Ripley PixInsight 1.8.6  ·  DXO PhotoLab  ·  Adobe Lightroom 2017

Filters: Optolong L-eXtreme 2"

Accessory: ASIair Pro


Dates:Jan. 13, 2021

Frames:
Optolong L-eXtreme 2": 60x20" (gain: 0.00) -20C bin 1x1
Optolong L-eXtreme 2": 30x60" (gain: 0.00) -20C bin 1x1

Integration: 0.8 hours

Darks: ~30

Flats: ~60

Flat darks: ~60

Avg. Moon age: 0.32 days

Avg. Moon phase: 0.12%

Bortle Dark-Sky Scale: 7.00

Temperature: 1.50


Astrometry.net job: 4181988

RA center: 5h 35' 1"

DEC center: -5° 28' 8"

Pixel scale: 0.854 arcsec/pixel

Orientation: -2.221 degrees

Field radius: 0.636 degrees


Resolution: 3387x4157

Locations: Backyard, Silver Spring, MD, United States

Data source: Backyard

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M42 - 2 exposure HDR, 



    
        

            Richard Kelley