Sh 2-132
Diffuse nebula in Cepheus constellation
From Wikipedia, the free encyclopedia
Sh 2-132, also known as the Lion Nebula,[3] is a diffuse nebula in Cepheus. It is part of the Cep OB1 Association and located in the Perseus Arm of the galaxy.[4][5][6][7][8][9]
| Nebula | |
|---|---|
Image of Sh 2-132 Nebula | |
| Observation data: epoch | |
| Right ascension | 22h 16m |
| Declination | 55° 53′ ″ |
| Distance | 10,400 ly (3200[1] pc) |
| Constellation | Cepheus |
| Physical characteristics | |
| Radius | 250[2] ly |
| Dimensions | 42'x 30' |
| Designations | Dragon Nebula, Sh 2-132, LBN 470, LBN 473 |
It is ionized by two Wolf-Rayet star, HD 211564 (WN3(h)-w)[10] and HD 211853 (WN6o+O6I), along with many O and B-type stars.[11][12] There are a number of dark nebula present in Sh 2-132 named LDN 1150, LDN 1154, LDN 1156, LDN 1161 and LDN 1162[13]