Hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Nebula in Orion  ·  M 42  ·  M 43  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1981  ·  NGC 1982  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri
M42, 



    
        

            stevebryson
M42
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M42

M42, 



    
        

            stevebryson
M42
Powered byPixInsight

M42

Technical card

Imaging telescopes or lenses: ED80

Imaging cameras: SBIG ST-8300C

Mounts: Orion Atlas EQ-G

Guiding telescopes or lenses: ED80

Guiding cameras: SBIG STi mono

Focal reducers: William Optics FF/FR 0.8x Tipo II

Software: photoshop  ·  PixInsight  ·  Microprojects Equinox Image

Filters: Orion SkyGlow 2" Imaging Filter

Accessory: Orion Thin OAG


Dates:Dec. 30, 2013Jan. 1, 2014

Frames:
Orion SkyGlow 2" Imaging Filter: 40x20" (13' 20") -20C bin 1x1
Orion SkyGlow 2" Imaging Filter: 22x300" (1h 50') -20C bin 1x1
Orion SkyGlow 2" Imaging Filter: 9x900" (2h 15') -20C bin 1x1

Integration: 4h 18' 20"

Darks: ~24

Bias: ~50

Avg. Moon age: 13.65 days

Avg. Moon phase: 2.85%

Bortle Dark-Sky Scale: 5.00


Basic astrometry details

Astrometry.net job: 2118211

RA center: 5h 35' 12"

DEC center: -5° 11' 31"

Pixel scale: 5.717 arcsec/pixel

Orientation: 356.319 degrees

Field radius: 1.384 degrees


Resolution: 1055x1387

Locations: Home, San Rafael, California, United States

Data source: Backyard

Description

HDR image, mostly processed in PixInsight, with minor enhancements in photoshop.

Comments

Revisions

  • M42, 



    
        

            stevebryson
    Original
  • M42, 



    
        

            stevebryson
    B
  • Final
    M42, 



    
        

            stevebryson
    C

B

Description: better photoshop processing with boosted colors, less sharpening, and full size.

Uploaded: ...

C

Description: better color balance, light noise control and sharpening in Lightroom.

Uploaded: ...

Sky plot

Sky plot

Histogram

M42, 



    
        

            stevebryson