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Contains:  NGC 7023
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NGC 7023 - The Iris Nebula, 


            Hap Griffin
NGC 7023 - The Iris Nebula

NGC 7023 - The Iris Nebula

Technical card

Imaging telescope or lens:Planewave CDK 12,5'' 12.5 CDK

Imaging camera:QSI 683 wsg-8 QSI

Mount:apt1200gto AP1200

Software:CCD Autopilot 5

Resolution: 1200x886

Dates:Oct. 6, 2010

Frames: 30x600"

Integration: 5.0 hours

Avg. Moon age: 28.05 days

Avg. Moon phase: 2.46% job: 1511720

RA center: 315.411 degrees

DEC center: 68.175 degrees

Pixel scale: 1.167 arcsec/pixel

Orientation: -0.155 degrees

Field radius: 0.242 degrees

Locations: ImagingInfinity Observatory, Bethune, SC, United States


NGC 7023 is commonly called the Iris Nebula because of its resemblance to the flower of the same name. It is a reflection nebula with the gas and dust reflecting the light of the 6.8 magnitude star in its center, SAO 19158. The thick concentration of dust in this area contributes to the reddish cast of most of the stars shining through it.

NGC 7023 lies at a distance of 1300 light years and is approximately 6 light years across.



Hap Griffin
License: None (All rights reserved)

Sky plot

Sky plot


NGC 7023 - The Iris Nebula, 


            Hap Griffin