Sh1-89 - Moth Nebula in Cygnus

by Michal Wierzbinski

Objects in field: PK089-00.1, TYC3593-3066-1

Equipment: Officina Stellare ProRC 700, FLI PL16083

Integration: 8h 10m

Sh1-89 - Moth Nebula in Cygnus This is a small bipolar planetary nebula with a bright central waist and two faint lobes giving it its butterfly-like appearance. The image is based on 8 hours of HORGB data from the 0.7 m telescope and finally this dataset had some decent signal to work with. I made an RGB composite, continuum-subtracted the Ha and OIII data and screened them into the image in red…