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Eskimo Nebula

NGC 2392

행성상 성운 우수 (67/100)
C39 PlanetaryNebula Gemini 관측 가능 난이도 3 Medium telescope (6-8") - Benefits from OIII filter
Credit: NASA, ESA, Andrew Fruchter (STScI), and the ERO team (STScI + ST-ECF). License: Public domain. (Wikimedia Commons)
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특성

등급 9.2
각크기 0.9′
거리 5000 ly
Planetary Nebula [Distance: 5000 ly]

위치 & 식별자

RA 07h 29m 10.8s
Dec +20° 54' 43.2"
별자리 Gemini
카탈로그 C39

가시성

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서베이 이미지

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Eskimo Nebula 소개

설명

The Eskimo Nebula (NGC 2392) is a planetary nebula in Gemini, about 6,500 light-years away. In telescopes, it shows a bright central disk surrounded by a fainter outer shell, which together resemble a face surrounded by a fur-lined parka hood.

관측 팁

One of the brightest and most rewarding planetary nebulae. A 4-inch telescope easily shows the bright disk. At 150x+ in an 8-inch scope, the double-shell structure becomes visible. An OIII filter helps with the outer shell. Best in winter and spring evenings.

역사

Discovered by William Herschel on January 17, 1787. The Hubble Space Telescope revealed intricate radial filaments in the outer shell that gave the "fur hood" its texture.

재미있는 사실

The inner shell is expanding at about 90 km/s while the outer shell moves at about 40 km/s, suggesting two separate ejection events. The central star has a surface temperature of 40,000 K.

커뮤니티 사진 (1)

Credit: NASA, ESA, Andrew Fruchter (STScI), and the ERO team (STScI + ST-ECF). License: Public domain. (Wikimedia Commons)

Credit: NASA, ESA, Andrew Fruchter (STScI), and the ERO team (STScI + ST-ECF). License: Public domain. (Wikimedia Commons)

Skybred Mar 2, 2026