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Contains:  Great Orion Nebula, Lower Sword, M 42, M 43, Mairan's Nebula, NGC 1973, NGC 1975, NGC 1976, NGC 1977, NGC 1980, NGC 1982, Orion Nebula, The star 42Ori, The star 45Ori, The star θ1Ori, The star θ2Ori, The star ιOri, the Running Man Nebula
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Orion and Running Man Nebulae, 



    
        

            Nikkolai Davenport
Orion and Running Man Nebulae
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Technical card


Dates:Feb. 1, 2019

Frames: 16x45" ISO3200

Integration: 0.2 hours

Darks: ~30

Bias: ~50

Avg. Moon age: 26.50 days

Avg. Moon phase: 10.01%

Bortle Dark-Sky Scale: 4.00


Basic astrometry details

Astrometry.net job: 3318716

RA center: 5h 35' 2"

DEC center: -5° 20' 16"

Pixel scale: 2.731 arcsec/pixel

Orientation: 56.492 degrees

Field radius: 0.926 degrees


Resolution: 2048x1330

Locations: Home, San Luis Obispo, CA, United States

Data source: Backyard

Description

This was my third attempt at capturing the Orion Nebula, this time using a coma corrector. Still working out a few issues with focus and image quality. This was captured slightly out of focus, with 59mm of backfocus from coma corrector to sensor.

I had a lucky break in the clouds with this one. It's been overcast for weeks. I had just enough time to capture 100 x 45" frames before the clouds rolled in. Unfortunately, only about 20 of those frames had decently round stars. I left it up to DSS to select the best 80% of those for stacking.

The next time I attempt this, I plan to be using autoguiding.

Comments

Author

wcoastsands
Nikkolai Davenport
License: None (All rights reserved)
4581
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Orion and Running Man Nebulae, 



    
        

            Nikkolai Davenport

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