Spectra of Planetary Nebulae

Nebula	PK026+01.1	RA (J2000)	18 33 21.1
Constellation	Scutum	Dec	-04 58 05.9
Size (arcsec)	90	Other names	PK 026+01.1
Mag (V)	12.52		Sh 2-61
Surface Brightness (mag/arcsec2)	22.6		LBN 84

HAG 24" RC, SBIG STF-8300M, Lhires III, 300 gr/mm, 2 x 600 + 1800 sec, 2021-07-28@21:23

No oxygen, trace of Hβ, some sulphur

Irregular nebula around a Herbig-Haro (HH) object. HH objects are bright patches of nebulosity associated with newborn stars. They are formed when narrow jets of partially ionised gas ejected by stars collide with nearby clouds of gas and dust

DSS2 image, 10 arcmin square

146 / 209 (pg 101)