Spectra of Planetary Nebulae
Nebula | NGC6857 | RA (J2000) | 20 01 47.7 |
Constellation | Cygnus | Dec | +33 31 38.2 |
Size (arcsec) | ~40 | Other names | PK 070+01.2 |
Mag (V) | n/a | VV 247 |
Surface Brightness (mag/arcsec2) | n/a | |
HAG 24" RC, SBIG STF-8300M, LHires III, 300gr/mm, 900 sec, 2020-09-29@19:22
HII region misclassified as PN. Shows oxygen and a trace of nitrogen
Brightest part of larger nebula Sh2-100
118 / 204 (pg 73)