Simeis 57 The Propeller Nebula

Explore Scientific ED127 FCD100
ZWO ASI2600mm / Chroma 3nm HA, OIII, SII, TS-Optics RGB
iOptron GEM45 Mount
Mag 18.5 (Bortle 7)


Steven Eltz
GSO 10" F4 Newtonian
Altair Hypercam 26m / Astronomik 6nm OIII
TS-Optics GPU Coma Corrector
Sky-watcher Eq6r-Pro Mount

HA: 12.20
OIII: 12.45
SII: 13.17
RGB: a little
Total Integration: 37.82 hrs