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, 300 gr/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

DSS2 image, 10 arcmin square

123 / 209 (pg 73)