WR 157 / SH2-157 Wolf-Rayet-Nebula (Northern part)
Cepheus - Cassiopeia
Feldberg / Black Forest (1360m) 2013-08-03
14.5" f/3.8 Dobson 71-/ 118x
Filter: OIII
SQM max.21.29 mag/arcsecē (Zenith) Seeing II
approx. 20' in sketch:
To invert please move mouse over sketch