Omega Nebula
Omega Nebula
The Omega Nebula, also known as the Swan Nebula, Checkmark Nebula, and the Horseshoe Nebula (catalogued as Messier 17 or M17 or NGC 6618) is an H II region in the constellation Sagittarius. It was discovered by Philippe Loys de Chéseaux in 1745. Charles Messier catalogued it in 1764. It is located in the rich starfields of the Sagittarius area of the Milky Way.
HA 1 x 600s (bin 1)
OIII 1 x 600s (bin 1)
SII 1 x 600s (bin 1)
EXPOSURE TIME: 10 minutes
HA 1 x 600s (bin 1)
OIII 1 x 600s (bin 1)
SII 1 x 600s (bin 1)
EXPOSURE TIME: 10 minutes
SPECIFICATIONS
Telescope
ASA 500N
Camera
FLI PL 16803
Location
El Sauce Observatory
Date of observation
August 11th, 2020
Filters
Ha, SII, OIII
Processing
PixInSight, Photoshop CC
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