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...

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...

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...

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...

characteristics Radius 3 to 5 ly Notable features Shell around SAO 20575 Designations Bubble Nebula Sharpless 162 (Sh2-162) Caldwell 11 See also: Lists of nebulae...

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...

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...

7 pc) Absolute magnitude (V) −3.1±0.5[b] Notable features Optical pulsar Designations Messier 1, NGC 1952, Taurus A, Sh2-244 See also: Lists of nebulae...

Westerhout 40 or W40 (also designated Sharpless 64, Sh2-64, or RCW 174) is a star-forming region in the Milky Way located in the constellation Serpens...