Sh 2-132

Sharpless 2-132

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
See also: Lists of nebulae

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]}

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]

References

1. https://skyandtelescope.org/online-gallery/sh2-132-lion-nebula/
2. https://astro.nightsky.at/Photo/Neb/Sh2-132_HaRGB.php
3. https://cosgrovescosmos.com/projects/sh2-132-the-lion-nebula
4. "The Lion Nebula | Pictures, Location, and Interesting Facts". AstroBackyard. Retrieved 2025-11-29.
5. "SH2-132 The Lion Nebula in SHO (8.33 hours)". Cosgrove's Cosmos. Retrieved 2025-11-29.
6. Brecher, Ron (2018-08-21). "Sh2-132 Emission Nebula". Astrodoc: Astrophotography by Ron Brecher. Retrieved 2025-11-29.
7. "Sh2-132". AstroWorldCreations. Retrieved 2025-11-29.
8. "Hanson Astrophotography-Sharpless 132". Hanson Astrophotography. Retrieved 2025-11-29.
9. "Sh2-132 the Lion Nebula". Sara Wager Astrophotography. Retrieved 2025-11-29.
10. "Simbad - Object view". simbad.cds.unistra.fr. Retrieved 2025-11-29.
11. "Simbad - Object view". simbad.cds.unistra.fr. Retrieved 2025-11-29.
12. "Sh 2-132". galaxymap.org. Retrieved 2025-11-29.
13. "Lion Nebula (Sh 2-132) | Deep⋆Sky Corner". www.deepskycorner.ch. Retrieved 2025-11-29.