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The nebula is known as S 142 in the 1959 Sharpless catalog (Sh2-142). [2] It is extremely difficult to observe visually, usually requiring very dark skies and an O-III filter. The NGC 7380 complex is located at a distance of approximately 8.5 kilolight-years from the Sun , in the Perseus Arm of the Milky Way .
The location of IC 2177 (circled in red) IC 2177 is a region of nebulosity that lies along the border between the constellations Monoceros and Canis Major.It is a roughly circular H II region centered on the Be star HD 53367. [5]
IC 5146 (also Caldwell 19, Sh 2-125, Barnard 168, and the Cocoon Nebula) is a reflection [2] /emission [3] nebula and Caldwell object in the constellation Cygnus. The NGC description refers to IC 5146 as a cluster of 9.5 mag stars involved in a bright and dark nebula.
The Bubble Nebula is located in the upper left of the image NGC 6188: 600 ly (180 pc) [37] Emission nebula: NGC 592: 580 ly (180 pc) [38] [39] H II region: Located in the Triangulum Galaxy: Sh2-310: 531–681 ly (163–209 pc) [40] [c] H II region: Nebula surrounding VY Canis Majoris, which is one of largest known stars. Carina Nebula: 460 ly ...
NGC 7027 is unusually small, measuring only 0.2 by 0.1 light-years, whereas the typical size for a planetary nebula is 1 light-year. [4] It is fairly young, at about 600 years old. [ 12 ] It has a very complex shape, consisting of an elliptical region of ionized gas [ 13 ] and an equatorial belt [ 14 ] within a massive neutral cloud. [ 15 ]
NGC 6357 is a diffuse nebula near NGC 6334 in the constellation Scorpius.The nebula contains many proto-stars shielded by dark discs of gas, and young stars wrapped in expanding "cocoons" or expanding gases surrounding these small stars.
NGC 3132 (also known as the Eight-Burst Nebula, [2] the Southern Ring Nebula, [2] or Caldwell 74) is a bright and extensively studied planetary nebula in the constellation Vela. Its distance from Earth is estimated at 613 pc or 2,000 light-years .
NGC 1893 is an open cluster in the constellation Auriga.It is about 12,400 light years away. The star cluster is embedded in the Tadpole Nebula (HII region IC 410).[5]Images of the star cluster by the Chandra X-ray Observatory suggest that it contains approximately 4,600 young stellar objects.