HartmutVB: Horsehead & Flame
HartmutVB: Rosette
HartmutVB: Rosette
HartmutVB: M1, Crab Nebula
HartmutVB: IC1396
HartmutVB: NGC6888 (Halpha)
HartmutVB: NGC6888
HartmutVB: IC1318
HartmutVB: M52 Open Cluster and Bubble Nebula
HartmutVB: IC 1805
HartmutVB: Cone Nebula
HartmutVB: Rosette Nebula
HartmutVB: NGC7380
HartmutVB: Horsehead