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NGC 2392 (AKA THE ESKIMO NEBULA)

PLANETARY NEBULA IN GEMINI (THE TWINS)

(Image centered at: ra 07 h:29 m / dec 20º 54')

January - 2025, Home Backyard in Martinez, Buenos Aires, Argentina

DATA

TYPE: Emission Nebula Region

APPARENT DIAMETER: 48 arc seconds

APPARENT MAGNITUDE (V): 10.1

DISTANCE: 6500 light years

IMAGE INFORMATION

INSTRUMENT: 6" ORION OPTICS UK (Ultra Grade Optics) w/Sky Watcher Coma Corrector (0.9x) working at at f4.5

CAMERA: QHY 183 MONO

MOUNT: VIXEN GDPX, OAG with Starlight Xpress Lodestar

FILTERS: BAADER LRGB Set

SKY CONDITIONS: urban skies - Bortle 8

EXPOSURES: LRGB (60,60,60,60)

OBJECT DESCRIPTION AND IMAGE SESSION

The Eskimo Nebula (NGC 2392), also known as the Clown Face Nebula, Lion Nebula, or Caldwell 39, is a bipolar double-shell planetary nebula. It was discovered by astronomer William Herschel in 1787. He described it as "A 9th magnitude star with a pretty bright middle, nebulosity equally dispersed all around. A very remarkable phenomenon". The formation resembles a person's head surrounded by a parka hood. It is surrounded by gas that composed the outer layers of a Sun-like star. The visible inner filaments are ejected by a strong wind of particles from the central star. The outer disk contains unusual, light-year-long filaments.

This is a kind of rewarded object for a Bortle 8 sky. Apparently light pollution dos not have so negative effect... it is also needed some good seeing resolution. A classic gem from the northern hemisphere which from my home backyard lies just 34 degrees from the horizon.