Image Description and Details : Abell 33 is a planetary nebula 2700 light-years away in the constellation Hydra, located behind the star HD 83535, making it look like a diamond ring.
APM SD Apo (Fpl53) 140 F7 (979 mm)
ZWO ASI 533MC Pro + iOptron GEM45
ZWO ASI 220MM Mini + ZWO OAG-L
ZWO EAF ZWO + EFW 5X2
ZWO AsiAir Plus
Mar 2023
Optolong L-Ultimate (3 nm): 120X600"
Optolong Uv Ir cut: 30X60” (star color)
Tot: 20h 30’
Modena (Sqm 18.3-18.9 Bortle 7,5-8), Italy
Copyright: Andrea Arbizzi