IC 1311 and Surrounding Nebulosity (Randal Healey)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: IC 1311

IC 1311 and Surrounding Nebulosity, Randal Healey

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IC 1311 and Surrounding Nebulosity

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IC 1311 and Surrounding Nebulosity

This area of nebulosity belongs to the Gamma Cygni Nebula Complex and is located a few degrees to the east of Gamma Cygni, the 3rd brightest star in Cygnus. The nebulosity pictured here is actually quite faint. It is composed mainly of hydrogen that originates from H alpha line emission at 656.3 nm. The nebula is not of uniform brightness, there are in fact a few dark nebulae in front of it, the most conspicious of those is Barnard 343.

IC 1311 is the designation of the galactic star cluster situated at right and below the center of the image, which has a brightness of 13.1 mag, is located at a distance of about 33 light years (which is very close), and has an apparant size of 5 arcminutes.

All individual patches of nebulosity have designations in Lynd's Bright Nebulae (LBN) catalog.

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