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Contains:  IC 430, NGC 1999, M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1981, NGC 1973, The star 49Ori, The star 45Ori, The star ιOri, The star θ2Ori, The star θ1Ori, The star 42Ori, The star υOri
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Orion's Sword - Orion Great Nebula - Wide Field Dust and Reflections, 





    
        

            Jon Rista
Orion's Sword - Orion Great Nebula - Wide Field Dust and Reflections

Orion's Sword - Orion Great Nebula - Wide Field Dust and Reflections

Technical card

Imaging telescope or lens:Canon EF 600mm f/4 L II

Imaging camera:Canon 5D mark III

Mount:Orion Atlas EQ-G

Guiding telescope or lens:ORION 80mm Short Tube

Guiding camera:QHY5L-II Mono

Software:PixInsight PixInsinghtO'Telescope BackyardEOS

Resolution: 2872x1888

Dates:Dec. 23, 2014

Frames:
35x120" ISO1600 3C bin 1x1
30x15" ISO1600 3C bin 1x1
40x210" ISO1600 3C bin 1x1
25x30" ISO1600 3C bin 1x1
30x5" ISO1600 3C bin 1x1

Integration: 3.9 hours

Flats: ~30

Bias: ~100

Avg. Moon age: 1.58 days

Avg. Moon phase: 2.79%

Bortle Dark-Sky Scale: 3.00

Mean SQM: 21.30

Astrometry.net job: 482488

RA center: 83.909 degrees

DEC center: -5.910 degrees

Orientation: 88.781 degrees

Field radius: 2.112 degrees

Locations: East Quincy Dark Site (Far End), Aurora, CO, United States

Description

First attempt to image at a dark site since the summer. Generally a success, however wind and a couple of laptop problems cost me some time and data. Having some difficulty getting PixInsight's HDRComposition tool to work with my integrations, which is forcing me to manually process and blend each separate integration. That's taking a lot of time.

Until I get that all sorted, here is an initial version, only the 2h 20m worth (40x210s) of long subs, processed with PixInsight and Photoshop w/ Carboni's Actions. The core is blown, obviously, but hopefully I'll be able to remedy that soon enough.

UPDATE: Reprocessed, with all additional sub sequences at shorter exposures, to bring out detail in the core. Also reprocessed to enhance detail and reduce noise from the originals.

See mono version:

Comments

Author

jrista
Jon Rista
License: None (All rights reserved)
293416
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Revisions

  • Orion's Sword - Orion Great Nebula - Wide Field Dust and Reflections, 





    
        

            Jon Rista
    Original
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            Jon Rista
    B
  • Orion's Sword - Orion Great Nebula - Wide Field Dust and Reflections, 





    
        

            Jon Rista
    C
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            Jon Rista
    D
  • Orion's Sword - Orion Great Nebula - Wide Field Dust and Reflections, 





    
        

            Jon Rista
    E
  • Final
    Orion's Sword - Orion Great Nebula - Wide Field Dust and Reflections, 





    
        

            Jon Rista
    F

Sky plot

Sky plot

Histogram

Orion's Sword - Orion Great Nebula - Wide Field Dust and Reflections, 





    
        

            Jon Rista

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