radio masers discovered. VY CMa is embedded in the large molecular cloud Sh2-310, a large, quite local star-forming H II region—its diameter: 480 arcminutes...

listed the two nebulae together in his second list of 313 bright nebulae as Sh2-117. American astronomer Beverly T. Lynds catalogued the obscuring dust cloud...

it H VIII.77. The nebula is known as S 142 in the 1959 Sharpless catalog (Sh2-142). It is extremely difficult to observe visually, usually requiring very...

The California Nebula (NGC 1499/Sh2-220) is an emission nebula located in the constellation Perseus. Its name comes from its resemblance to the outline...

Observation data: J2000 epoch Subtype Diffuse + Dark Distance 2,700 ly Constellation Monoceros Designations NGC 2264, Sh2-273 See also: Lists of nebulae...

NGC 281, IC 11 or Sh2-184 is a bright emission nebula and part of an H II region in the northern constellation of Cassiopeia and is part of the Milky...

The Flame Nebula, designated as NGC 2024 and Sh2-277, is an emission nebula in the constellation Orion. It is about 1350 light-years away. At that distance...

L1014 H II NGC 6914 North America Nebula Pelican Nebula Sadr Region Sh2-101 Sh2-106 Planetary Abell 78 Egg Nebula IRAS 19475+3119 IRAS 20324+4057 Kronberger...

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2-113 Sh 2-114 Sh 2-115 Sh 2-116 Sh 2-117 Sh 2-118 Sh 2-119 Sh 2-120 Sh 2-121 Sh 2-122 Sh 2-123 Sh 2-124 Sh 2-125 Sh 2-126 Sh 2-127 Sh 2-128 Sh 2-129 Sh...