Bubble Nebula
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NGC 7635, also known as the Bubble Nebula, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia. It lies close to the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive... Wikipedia
Coordinates: RA 23h 20m 48s | Dec +61° 12′ 6″
Radius: 3.5 light years
Magnitude: 10
Distance to Earth: 11,090 light years
Number: NGC 7635
Apparent dimensions (V): 15′ × 8′
Apparent magnitude (V): ~10
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