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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, 



    
        

            Jean-Marie Locci
M42
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M42

Technical card

Imaging telescopes or lenses: Boren-Simon PowerNewt 8

Imaging cameras: QSI 583 wsg

Mounts: Sky-Watcher NEQ6

Guiding telescopes or lenses: Boren-Simon PowerNewt 8

Guiding cameras: Lodestar

Focal reducers: Borel-Simon Coma Corrector

Software: Cartes du Ciel  ·  PixInsight  ·  photoshop  ·  EasyHDR

Filters: Astrodon RGB filter set  ·  Astrodon H-alpha 5nm

Accessory: Sky-Watcher SW Electric Focuser


Dates:Dec. 27, 2013Dec. 28, 2013Jan. 2, 2014Jan. 3, 2014

Frames:
Astrodon H-alpha 5nm: 8x15" -15C bin 1x1
Astrodon H-alpha 5nm: 8x180" -15C bin 1x1
Astrodon H-alpha 5nm: 8x30" -15C bin 1x1
Astrodon RGB filter set: 24x180" -15C bin 1x1
Astrodon RGB filter set: 24x20" -15C bin 1x1
Astrodon RGB filter set: 24x5" -15C bin 1x1
Astrodon RGB filter set: 24x60" -15C bin 1x1

Integration: 2.3 hours

Darks: ~10

Flats: ~10

Bias: ~10

Avg. Moon age: 13.17 days

Avg. Moon phase: 14.78%

Bortle Dark-Sky Scale: 4.00


Basic astrometry details

Astrometry.net job: 156180

RA center: 5h 35' 2"

DEC center: -5° 14' 56"

Pixel scale: 1.830 arcsec/pixel

Orientation: -89.518 degrees

Field radius: 1.059 degrees


Resolution: 3352x2532

Locations: Home, Perth, Australia

Data source: Backyard

Description

This is the result of a HDR composition mixing 5, 20, 60 and 180sec in RGB and 15, 30 and 180sec in Ha. The software used to compose the final HDR image is EasyHDR.

Comments

Author

jmlocci
Jean-Marie Locci
License: None (All rights reserved)
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M42, 



    
        

            Jean-Marie Locci