Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Iris Nebula  ·  NGC 7023  ·  NGC7023  ·  T Cep  ·  VdB139
NGC 7023  -  Iris Nebula, 



    
        

            David Frost
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NGC 7023 - Iris Nebula

NGC 7023  -  Iris Nebula, 



    
        

            David Frost
Powered byPixInsight

NGC 7023 - Iris Nebula

Technical card

Imaging telescopes or lenses: Astro-Physics 130 EDFGT

Imaging cameras: QHY600

Mounts: Astro-Physics 1100 GTO

Guiding telescopes or lenses: Astro-Physics 130 EDFGT

Focal reducers: Astro-Physics 3.5" Quad TCC F4.5

Software: Adobe Photoshop 2020  ·  PixInsight 1.8.8  ·  PHD2  ·  Sequence Generator Pro SGP

Filters: Astrodon 3nm OIII  ·  Astrodon 3nm SII  ·  Astrodon 3nm Ha  ·  Chroma Blue 50mm Unmounted  ·  Chroma Luminance 50mm unmounted  ·  Astrodon LRGB Gen2 E-Series Tru-Balance Filters


Dates:Nov. 2, 2020

Frames:
Astrodon LRGB Gen2 E-Series Tru-Balance Filters: 36x300" (3h) (gain: 26.00) -20C bin 1x1
Chroma Luminance 50mm unmounted: 70x180" (3h 30') (gain: 26.00) -20C bin 1x1

Integration: 6h 30'

Darks: ~20

Flats: ~20

Bias: ~100

Avg. Moon age: 16.44 days

Avg. Moon phase: 96.87%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 20.70


Astrometry.net job: 3999899

RA center: 21h 2' 13"

DEC center: +68° 15' 10"

Pixel scale: 1.308 arcsec/pixel

Orientation: -91.162 degrees

Field radius: 1.987 degrees


Resolution: 9233x5866

Data source: Backyard

Description

Iris Nebula - a nice bright reflection nebula in Cepheus, with an open cluster inside.

Comments

Sky plot

Sky plot

Histogram

NGC 7023  -  Iris Nebula, 



    
        

            David Frost