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Contains:  M 43, NGC 1982, NGC 1977, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, NGC 1975, NGC 1973, The star 45Ori, The star ιOri, The star θ2Ori, The star θ1Ori, The star 42Ori
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Orion and Running Man Nebulae, 





    
        

            Nikkolai Davenport
Orion and Running Man Nebulae

Technical card

Resolution: 2048x1330

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

Astrometry.net job: 2516624

RA center: 83.761 degrees

DEC center: -5.338 degrees

Pixel scale: 2.731 arcsec/pixel

Orientation: 56.492 degrees

Field radius: 0.926 degrees

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)
2700
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Orion and Running Man Nebulae, 





    
        

            Nikkolai Davenport