Sh 2-13

Sh 2-13 is an emission nebula in Scorpius.^[2] It is ionized by nearby star HD 158186. Sh 2-13 also contains a star cluster it has formed, Antalova 1. It is possible HD 158186 is a member of Antalova 1, it is also possible it is a runaway star from NGC 6383.^[3]

Sharpless 2-13

Nebula
H II region
The location of Sh 2-13 in the sky, (in the open source Stellarium software)
Observation data: epoch
Right ascension	17h 30m 24s
Declination	−31° 33′ 09″[1]
Distance	1300±100 pc
Apparent diameter	40'
Designations	RCW 133, Gum 68
See also: Lists of nebulae