NGC 7635 Bubble Nebula

NGC 7635 Bubble Nebula

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NGC 7635 Bubble Nebula

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 hot, 8.7 magnitude young central star, SAO 20575 (BD+60°2522). The nebula is near a giant molecular cloud which contains the expansion of the bubble nebula while itself being excited by the hot central star, causing it to glow. It was discovered in November 1787 by William Herschel.

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Observations

li 561 7635

Observation Log Information
Log Index:561
Session:170
Date:1993-10-11
Equipment:10.1inNw13mmPlossl
Location:ABCarsland

Keywords: NGC 7635 Bubble Nebula, 110 Finest NGCs, emission nebula, Cassiopeia

February 3, 2024
 / 
Roger Nelson
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