The Cygnus Starcloud (Alan Dyer)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Crescent Nebula · IC 1310 · NGC 6871 · NGC 6888 · The star 22Cyg · The star 25Cyg · The star 27Cyg · The star 28Cyg · The star 29Cyg · The star 34Cyg · The star 36Cyg · The star 40Cyg · The star Sadr (γCyg)

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The Cygnus Starcloud

Link: https://www.amazingsky.com

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The Cygnus Starcloud

Link: https://www.amazingsky.com

This is the central area of Cygnus and its bright Milky Way starcloud surrounded by red nebulosity. At left is the star Sadr (gamma Cygni) with the complex of nebulosity catalogued as IC 1318. At centre is the distinct Crescent Nebula, NGC 6888, a expanding nebula created by winds from a hot Wolf-Rayet star. At bottom left is the star cluster Messier 29, though looking a little lost in the rich starfields here. At top is the cluster IC 1311, looking more obvious than M29 but not observed visually and included in the NGC catalog. Odd. At far right are the large and loose star clusters NGC 6883 and NGC 6871, the latter an obvious binocular sight. To the left of Sadr is the small cluster NGC 6910. The dark nebulas B145 and LDN 862 are at right. The small emission nebula at bottom is Sharpless 2-104.

This is a stack of 6 x 6-minute exposures at ISO 1600 without a filter, blended with 8 x 12-minute exposures at ISO 3200 taken through the Optolong L-Enhance dual narrowband filter to really bring out the faint nebulosity. All were with the William Optics RedCat 51mm f/5 astrograph and red-sensitive Canon EOS Ra full-frame mirrorless camera.

Blending the two sets of exposures brings out the nebulosity while retaining the more natural colours in the stars and background sky. All stacked, aligned and blended in Photoshop CC. Taken from home in the wee hours of the morning of May 15/16, 2020 before dawn’s light began to wash out the sky.

Canadian Astrophotography

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