Caldwell 39 (h97)(NGC 2392) -- Planetary Nebula in Gemini
5 Jan 2025, 03:33 UT; Spotsylvania, Virginia USA. Bortle 4.5 zone.
Celestron C8 SCT at f/10.1. Orion Atlas AZ/EQ-G mount. Mallincam DS26cTEC camera, bin 1x1, exposure 16s, stack of 138 frames, Optolong L'eNhance filter, no guiding, flat dark and flat calibration frames, sensor -5°C. Captured in Sharpcap Pro. Processed in PixInsight and Photoshop.
Appearance: Dim elliptical nebulosity in a sparse starfield, with adjacent white star HD 59087 (class A5, m 8.2) at 06:30 position.
Clouds: clear
Transparency: average
Seeing: below average
Apparent Magnitude: 9.6
Apparent size:48 arcsec (~ 130 pixels)
Image scale:
Moon age, illuminated: xx, xx
Azimuth: xx°
Altitude: xx°
from Wikipedia
The Eskimo Nebula (NGC 2392), also known as the Clown Face Nebula, Lion Nebula, or Caldwell 39, is a bipolar double-shell planetary nebula (PN). The nebula was discovered by William Herschel on January 17, 1787, in Slough, England. He described it as "A star 9th magnitude with a pretty bright middle, nebulosity equally dispersed all around. A very remarkable phenomenon."
NGC 2392 WH IV-45 is included in the Astronomical League's Herschel 400 observing program.
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.
NGC 2392 lies about 6500 light-years away, and is visible with a small telescope in the constellation of Gemini. NGC 2392 is located just east of δ Geminorum, just south of the ecliptic.
At the center of NGC 2392, there is an O-type star (designated HD 59088) with a spectral type of O(H)6f.
Caldwell 39 (h97)(NGC 2392) -- Planetary Nebula in Gemini
5 Jan 2025, 03:33 UT; Spotsylvania, Virginia USA. Bortle 4.5 zone.
Celestron C8 SCT at f/10.1. Orion Atlas AZ/EQ-G mount. Mallincam DS26cTEC camera, bin 1x1, exposure 16s, stack of 138 frames, Optolong L'eNhance filter, no guiding, flat dark and flat calibration frames, sensor -5°C. Captured in Sharpcap Pro. Processed in PixInsight and Photoshop.
Appearance: Dim elliptical nebulosity in a sparse starfield, with adjacent white star HD 59087 (class A5, m 8.2) at 06:30 position.
Clouds: clear
Transparency: average
Seeing: below average
Apparent Magnitude: 9.6
Apparent size:48 arcsec (~ 130 pixels)
Image scale:
Moon age, illuminated: xx, xx
Azimuth: xx°
Altitude: xx°
from Wikipedia
The Eskimo Nebula (NGC 2392), also known as the Clown Face Nebula, Lion Nebula, or Caldwell 39, is a bipolar double-shell planetary nebula (PN). The nebula was discovered by William Herschel on January 17, 1787, in Slough, England. He described it as "A star 9th magnitude with a pretty bright middle, nebulosity equally dispersed all around. A very remarkable phenomenon."
NGC 2392 WH IV-45 is included in the Astronomical League's Herschel 400 observing program.
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.
NGC 2392 lies about 6500 light-years away, and is visible with a small telescope in the constellation of Gemini. NGC 2392 is located just east of δ Geminorum, just south of the ecliptic.
At the center of NGC 2392, there is an O-type star (designated HD 59088) with a spectral type of O(H)6f.