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Contains:  Extremely wide field
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Orion constellation, 





    
        

            RichR

Orion constellation

Technical card

Resolution: 4967x6569

Dates:Dec. 9, 2018

Frames: 74x58"

Integration: 1.2 hours

Avg. Moon age: 2.04 days

Avg. Moon phase: 4.63%

Astrometry.net job: 2478179

Locations: Enchanted Rock State Natural Area, Fredericksburg, Texas, United States

Data source: Traveller

Description

For this shot of the constellation Orion I made 74 exposures of 58" each at f/5.6 (ISO 3200) with a Canon 70-200mm f/4 lens set at 84mm. Tracking was done by a Fornax Lightrack II. For the Orion Nebula I made several shorter exposures for averaging in order to deal with the excessive brightness. Orion was still fairly low on the horizon when I began the exposures, and there was a lot of atmospheric turbulence, so seeing was not that good. I stacked the raw files in Deep Sky Stacker and imported the resulting 32-bit tiff file into Adobe Photoshop CC2019 for final processing. In the frame are Messier objects M42 (The Orion Nebula) and M43 (De Mairan's Nebula), Orion's Belt, the stars Betelgeuse, Bellatrix, Rigel, and the emission nebula Barnard's Loop.

Comments

Author

Ophiuchus68
RichR
License: None (All rights reserved)
420
Like

Revisions

  • Orion constellation, 





    
        

            RichR
    Original
  • Final
    Orion constellation, 





    
        

            RichR
    B

B

Processed differently. Removed some of red cast. You can see Witch Head a little better, too.

Histogram

Orion constellation, 





    
        

            RichR