Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 7023
NGC 7023 - The Iris Nebula, 



    
        

            Steve Furlong
NGC 7023 - The Iris Nebula
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NGC 7023 - The Iris Nebula

Technical card

Imaging telescopes or lenses: Altair Astro RC 8"

Imaging cameras: ATIK 383L+ mono

Mounts: Skywatcher NEQ6 PRO

Guiding cameras: Starlight Xpress Lodestar guide camera

Focal reducers: Astro Physics CCDT67 0.67x

Software: PixInsight 1.7

Filters: Baader Planetarium LRGB 2"


Dates:June 3, 2013

Frames: 53x600"

Integration: 8.8 hours

Avg. Moon age: 24.80 days

Avg. Moon phase: 23.27%


Basic astrometry details

Astrometry.net job: 308536

RA center: 21h 1' 33"

DEC center: +68° 9' 57"

Pixel scale: 1.007 arcsec/pixel

Orientation: 86.840 degrees

Field radius: 0.566 degrees


Resolution: 620x461

Description

NGC7023 the Iris Nebula is bright reflection nebula in the constellation Cepheus. It is approximately 1300 light years away and 6 light years across. NGC7023 is the cluster inside the nebula. The nebula is illuminated by a +6.8 mag star SAO19158.

L:= 36 x 600s
R:= 6 x 600s
G:= 6 x 600s
B:= 5 x 600s

Taken on the nights of 31st May, and the 3rd, 5th, 6th and 13th June 2013.

An incomplete data set that I have tried to do my best with in order to try and finish this image. Seriously lacking in colour data due to the typical UK weather.

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NGC 7023 - The Iris Nebula, 



    
        

            Steve Furlong