The Butterfly Nebula in Cygnus (IC 1318)
From the author of Sizing Up The Universe
20:58 EDT, October 14, 2022
ZWO ASI2400MC-Pro with L-Extreme filter on 10" RC at f/9
100 mins (in 30 seconded unguided increments)
North is to the left and east is up.
22:08 EDT, August 20, 2020
Starlight Express Trius SX-9 on 10" RC at f/9
Hα = 36 mins (in 2 min guided increments),
OIII = 36 mins (in 2 min guided increments)
21:43 EDT, August 20, 2020
Starlight Express Trius SX-9 on 10" RC at f/9
Hα = 36 mins (in 2 min guided increments)
20:36 EDT, October 5, 2004
Starlight Express SXV-H9 with Takahashi FSQ-106N at f/5
Hα =
60 mins (in 2 min unguided increments)
Star debloat.
L=Hα, R=Hα, G=G, B=G
R(Ha)GB(G).jpg)
Hα
22:18 EDT, July 15, 2004
Starlight Express SXV-H9 with 200mm Vivitar lens at f/3.5
Hα =
60 mins (in 2 min unguided increments),
G = 24 mins (in 1 and 2 min unguided increments)
Star debloat, median-DDP.