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, 300gr/mm, 2 x 600 + 1800 sec, 2021-07-28@21:23
No oxygen, trace of Hβ, some sulphur DSS2 image, 10 arcmin square
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
144 / 207 (pg 101)