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Cygnus Wall, 


            Elisabeth Milne
Cygnus Wall

Technical card

Resolution: 3343x2661

Dates:Aug. 19, 2017

Astrodon 3nm Ha: 18x1200" bin 1x1
Astrodon 3nm OIII: 13x1200" bin 1x1
Astrodon 3nm SII: 13x1200" bin 1x1

Integration: 14.7 hours

Avg. Moon age: 27.03 days

Avg. Moon phase: 6.91% job: 2592685

RA center: 314.762 degrees

DEC center: 43.623 degrees

Pixel scale: 0.881 arcsec/pixel

Orientation: 84.757 degrees

Field radius: 0.523 degrees

Locations: Home, Nottinghamshire, Nottinghamshire, United Kingdom

Data source: Unknown


The Cygnus Wall is part of the larger North America Nebula (NGC 7000, Caldwell 20) – an emission nebula 1,500 light years away in the constellation of Cygnus. The W-shaped ridge is 20 light years in length and is an area of intense star formation.

This was photographed between 27 May and 19 August 2017 from our home observatory in the UK.

This is a reprocess of data previously presented by Steve.

Capture details:

Telescope: Skywatcher Esprit 120
Camera: QSI 690
Filters: Astrodon 3nm NB
Mount: Mesu 200

Ha: 18 x 1200s
OIII: 13 x 1200s
SII: 13 x 1200s

A total of 14 hours 40 minutes exposure.



Elisabeth Milne
License: None (All rights reserved)

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Cygnus Wall, 


            Elisabeth Milne

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