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Contains:  Helix nebula, NGC 7293
Getting plate-solving status, please wait...
Helix Nebula, 


            Tom Robbe
Helix Nebula
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Helix Nebula

Technical card

Dates:July 29, 2017Aug. 2, 2017

Frames: 120x150" ISO2000

Integration: 5.0 hours

Darks: ~52

Flats: ~21

Bias: ~17

Avg. Moon age: 8.14 days

Avg. Moon phase: 57.46%

Temperature: 11.60

Basic astrometry details job: 1677306

RA center: 22h 29' 41"

DEC center: -20° 50' 24"

Pixel scale: 2.523 arcsec/pixel

Orientation: 26.569 degrees

Field radius: 0.975 degrees

Resolution: 2336x1512

Locations: Home, Sebastopol, CA, United States

Data source: Backyard


I captured about 3 hours of integration for the Helix several evenings ago, and after stacking that decided I wanted more. I had to wait several nights for a clear sky, and then until 2AM for the moon to go down when I got about 2 more hours worth. Thanks for looking!



Tom Robbe
License: None (All rights reserved)

Sky plot

Sky plot


Helix Nebula, 


            Tom Robbe