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Contains:  Helix nebula, NGC 7293
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NGC 7293 - Helix nebula, 





    
        

            Richard Kelley
NGC 7293 - Helix nebula

NGC 7293 - Helix nebula

Technical card

Resolution: 5454x3629

Dates:Sept. 3, 2019

Frames: 30x120" (gain: 280.00) bin 1x1

Integration: 1.0 hours

Darks: ~20

Flats: ~30

Flat darks: ~30

Avg. Moon age: 4.65 days

Avg. Moon phase: 22.57%

Bortle Dark-Sky Scale: 7.00

Mean SQM: 18.00

Temperature: 20.00

Astrometry.net job: 2917813

RA center: 22h 29' 37"

DEC center: -20° 49' 51"

Pixel scale: 0.490 arcsec/pixel

Orientation: 19.435 degrees

Field radius: 0.446

Locations: Field, Glenn Dale, MD, United States

Data source: Traveller

Description

This only has an exposure of 1 hour. The sky became extremely hazy as the object was transiting, about 30 deg above the horizon. The sky was very bright due to the haze being illuminated by Washington DC and Baltimore.

Comments

Author

rlk_metasco40
Richard Kelley
License: None (All rights reserved)
1430
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NGC 7293 - Helix nebula, 





    
        

            Richard Kelley