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Contains:  NGC 6910, gamma Cyg nebula, IC 1318, The star Sadr (γCyg)
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IC 1318 Butterfly Nebula & Gamma Cygni

Technical card

Resolution: 3236x4276

Dates:June 28, 2019

Astrodon 5nm Ha: 52x1200" bin 1x1
Astrodon 5nm Olll: 42x1200" bin 1x1
Astrodon 5nm SII: 42x1200" bin 1x1

Integration: 45.3 hours

Avg. Moon age: 25.03 days

Avg. Moon phase: 21.21% job: 2775546

RA center: 20h 25' 34"

DEC center: +40° 22' 26"

Pixel scale: 2.094 arcsec/pixel

Orientation: 90.700 degrees

Field radius: 1.559

Locations: Entre Encinas y Estrellas E-EyE, Fregenal de la Sierra, Extremadura, Spain

Data source: Own remote observatory

Remote source: e-EyE Extremadura


A very photogenic and popular nebula region filled with dynamic dark light-absorbing nebula in complex patterns along with very strong emission data, making it a magnet for every imager. This two panel mosaic only shows a small portion of the fabulous region in Cygnus which spans over 100 light years.

I have enjoyed the processing of the colourful Hubble palette and emphasised the gaseous structure by modifying the palette with selective colour masks. Plenty of long subs helped bring a depth to the structure and detail. Captured between 27 May and 28 June.

Data acquisition: Barry Wilson & Steve Milne
Processing: Barry Wilson



Barry Wilson

Sky plot

Sky plot


IC 1318 Butterfly Nebula & Gamma Cygni, 


            Barry Wilson