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Helix Nebula

NGC 7293

행성상 성운 최고의 관측 대상 (82/100)
C63 PlanetaryNebula Aquarius 관측 가능 난이도 2 Small telescope (4") - Benefits from OIII filter
Credit: The HST data are from proposal 9700. Processed images may be obtained from the Helix MAST web site. The Hubble Helix Team includes M. Meixner, H.E. Bond, G. Chapman (STScI), Y.-H. Chu (U. Illinois, Ur.... License: Public domain. (Wikimedia Commons)
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특성

등급 7.3
각크기 16.3′
거리 650 ly
Planetary Nebula [Distance: 650 ly]

위치 & 식별자

RA 22h 29m 38.6s
Dec -20° 50' 16.8"
별자리 Aquarius
카탈로그 C63

가시성

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Helix Nebula 소개

설명

The Helix Nebula (NGC 7293) is the nearest bright planetary nebula to Earth, at about 650 light-years away in Aquarius. It spans nearly half a degree (close to the apparent size of the full Moon) and displays a stunning ring structure in photographs, earning it the nickname "Eye of God."

관측 팁

Despite being the closest bright planetary nebula, its large size gives it low surface brightness. Best in binoculars or a wide-field telescope at low power with an OIII filter. Requires dark skies. Best in autumn from locations with low southern horizon.

역사

Discovered by Karl Ludwig Harding before 1824. The Helix was one of the first planetary nebulae to be studied in detail, and its proximity makes it a Rosetta Stone for understanding planetary nebula physics.

재미있는 사실

Deep images reveal thousands of cometary knots — tadpole-shaped clumps of gas each about the size of our solar system — streaming away from the central star. The Helix contains at least 20,000 of these features.

커뮤니티 사진 (1)

Credit: The HST data are from proposal 9700. Processed images may be obtained from the Helix MAST web site. The Hubble Helix Team includes M. Meixner, H.E. Bond, G. Chapman (STScI), Y.-H. Chu (U. Illinois, Ur.... License: Public domain. (Wikimedia Commons)

Credit: The HST data are from proposal 9700. Processed images may be obtained from the Helix MAST web site. The Hubble Helix Team includes M. Meixner, H.E. Bond, G. Chapman (STScI), Y.-H. Chu (U. Illinois, Ur.... License: Public domain. (Wikimedia Commons)

Skybred Mar 2, 2026