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Contains:  NGC 7023
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Iris Nebula NGC 7023 in Cepheus, 





    
        

            Arnaud Peel
Iris Nebula NGC 7023 in Cepheus

Iris Nebula NGC 7023 in Cepheus

Technical card

Resolution: 3360x4556

Dates:July 13, 2019

Frames: 204x180"

Integration: 10.2 hours

Avg. Moon age: 11.52 days

Avg. Moon phase: 88.52%

Astrometry.net job: 2808948

RA center: 21h 1' 17"

DEC center: +68° 9' 18"

Pixel scale: 0.783 arcsec/pixel

Orientation: 270.407 degrees

Field radius: 0.615

Locations: au Pied du Ventoux, Ventoux, 84, France

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

For each object , you have to found the best way to process it. As others , this one is not easy, and I try not to over-process the dark clouds auround the bright and blue core.

The Iris Nebula, also known as NGC 7023 and Caldwell 4, is a bright reflection nebula and Caldwell object in the constellation Cepheus. NGC 7023 is actually the cluster within the nebula, LBN 487, and the nebula is lit by a magnitude +7 star, SAO 19158. It lies 1,300 light-years away and is six light-years across

Red 35 subs@180s -20°C gain zero
Blue 35 subs@180s -20°C gain zero
Green 30 subs@180s -20°C gain zero
Light 104 subs@180s -20°C, gain zero

5 Nights : 03/04, 04/05, 05/06, 10/11, 13 of july

Comments

Author

Arnaudf92
Arnaud Peel
License: None (All rights reserved)
2023
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Revisions

  • Iris Nebula NGC 7023 in Cepheus, 





    
        

            Arnaud Peel
    Original
  • Iris Nebula NGC 7023 in Cepheus, 





    
        

            Arnaud Peel
    B
  • Final
    Iris Nebula NGC 7023 in Cepheus, 





    
        

            Arnaud Peel
    C

Sky plot

Sky plot

Histogram

Iris Nebula NGC 7023 in Cepheus, 





    
        

            Arnaud Peel