Catalogue No.
Sh2-274
Constellation
Gemini
Object Type
Nebula
Location
private observatory
Exposure time / date
13h9m / 27.2.-2.3.20221
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Another version with 5h9m exposure time
(i.e. 56x3m RGB and 16x3mH@, 17x3m OIII, 17x3m SII)
...
Medusa Nebula
Optic, Camera, technical details
ASI294MMpro at 12" Newton:
97x3m H@, 97x3m OIII, 17x3m SII
ASI183MCpro at 121SDQ:
56
x3m RGB
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