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Contains:  NGC 7023
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Technical card

Resolution: 3239x2392

Dates:Oct. 6, 2018

Frames:
Astrodon Tru-Balance LRGB E-Series Gen 2 Blue: 24x600" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Green: 24x600" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Luminance: 40x60" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Luminance: 60x600" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Red: 24x600" bin 1x1

Integration: 22.7 hours

Avg. Moon age: 26.62 days

Avg. Moon phase: 9.30%

Astrometry.net job: 2325599

RA center: 314.863 degrees

DEC center: 67.788 degrees

Pixel scale: 2.096 arcsec/pixel

Orientation: 270.191 degrees

Field radius: 1.172 degrees

Locations: E-EyE, Fregenal de la Sierra, Extremadura, Spain

Data source: Unknown

Description

The Iris Nebula (Caldwell 4, NGC 7023) is a bright reflection nebula approximately 1,400 light years from Earth in the constellation of Cepheus.

The Iris was imaged between 3 and 6 October 2018 from two remote imaging rigs in Spain that are owned and operated by Barry Wilson and me.

Capture details are as follows:

Telescopes: Takahashi FSQ 106 x2
Camera: QSI 683 WSG x2
Filters: Astrodon & Astronomik LRGB
Mount: 10 Micron GM1000HPS & 10 Micron GM2000HPS

Lum: 60 x 600s
Lum: 40 x 60s
Red: 24 x 600s
Green: 24 x 600s
Blue: 24 x 600s

A total of 22 hours 40 mins exposure.

Data Capture: Steve Milne & Barry Wilson
Image Processing: Steve Milne

Comments

Author

gnomus
Steve Milne
License: None (All rights reserved)
3866
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Iris Nebula in Cepheus, 





    
        

            Steve Milne