Astrophotography by Rob

 

Snake Nebula (Bernard 72)

Snake Nebula - Bernard 72

Location: Warrumbungle Observatory, Australia (149 11 E, 31 16 S)

Date: 27/28 May 2012

Camera: QHY-9

Telescope: William Optics M120

Frames: Ten 300 second exposures for each of RGB and fourteen 600 second exposures in luminance.

Processing: Stacked in CCDStack, balanced, curves, highlights, smart sharpened and noise reduction in Photoshop SC5.

Text from APOD: Dark nebulae snake across a gorgeous expanse of stars in this telescopic view toward the pronounceable constellation Ophiuchus and the center of our Milky Way Galaxy. In fact, the twisting central shape seen here is well known as the Snake Nebula. It is also listed as Barnard 72 (B72), one of 182 dark markings of the sky cataloged in the early 20th century by astronomer E. E. Barnard. Unlike bright emission nebulae and star clusters, Barnard's nebulae are interstellar dark clouds of obscuring gas and dust. Their shapes are visible in cosmic silhouette because they lie in the foreground along the line of sight to rich star fields and glowing stellar nurseries near the plane of our Galaxy. Many of Barnard's dark nebulae are themselves likely sites of future star formation. Barnard 72 is about 650 light years away.

 

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