Gallery » NGC7023: The Iris Nebula

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This inky nebula is a reflection nebula that is illuminated by a central star and glows blue.

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Telescope:   Stellina
Length:   400mm
Aperture:   80mm
F-stop:   f/5.0
Sessions:   2
Captured:   2021-05-22 to 2021-06-26
Lights:   1490
Exposure:   10
Total exposure:   4 h
Ra:   21h 1m 32.2s
Dec:   +68° 10' 24.5
Size:   60.727 x 38.846 arcmin
Radius:   0.601 deg
Scale:   0.625 arcsec/pixel