IMAGE: Astronomers obtained this portrait of Barnard’s Galaxy using the Wide Field Imager attached to the 2.2-m MPG/ESO telescope at ESO’s La Silla Observatory in northern Chile. Also known as NGC… ...
The far northern sky holds its richest region in Cassiopeia, a splendid area of bright Milky Way stars and gas. One of the greatest nebulae in the far north is NGC 7635, the Bubble Nebula, so named ...
William Herschel first observed NGC 7635 in 1787 as a glow around the magnitude 8.7 star SAO 20575 (cataloged earlier as BD+60°2522). In a telescope, the Bubble Nebula looks more like a comma because ...