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Contains:  NGC 7023
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Iris Nebula NGC 7023 (Caldwell 4), 


            Jeff Clayton
Iris Nebula NGC 7023 (Caldwell 4)

Iris Nebula NGC 7023 (Caldwell 4)

Technical card

Resolution: 2344x1459

Dates:Sept. 11, 2015

Frames: 12x600"

Integration: 2.0 hours

Avg. Moon age: 27.93 days

Avg. Moon phase: 2.89% job: 773503

RA center: 315.162 degrees

DEC center: 68.142 degrees

Pixel scale: 3.359 arcsec/pixel

Orientation: 84.016 degrees

Field radius: 1.288 degrees


One of my favorites. Excellent example of a reflection nebula



Jeff Clayton
License: None (All rights reserved)

Sky plot

Sky plot


Iris Nebula NGC 7023 (Caldwell 4), 


            Jeff Clayton