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C72

NGC 55

은하 우수 (68/100)

Barred Spiral

C72 Galaxy Sculptor 관측 가능 난이도 5 Expert level - Dark skies recommended
Credit: ESO. License: CC BY 4.0. (Wikimedia Commons)
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특성

등급 8.0
각크기 29.9′ × 3.0′
위치각 101°
거리 7000000 ly
은하 유형 Barred Spiral (SBm)
Spiral Galaxy [Distance: 7000000 ly]

위치 & 식별자

RA 00h 14m 57.6s
Dec -39° 11' 45.6"
별자리 Sculptor
카탈로그 C72

가시성

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C72 소개

설명

NGC 55 is a large, edge-on barred irregular galaxy in Sculptor, about 6.5 million light-years away. It spans an impressive 32 arcminutes and is a member of the Sculptor Group, similar in many ways to the Large Magellanic Cloud.

관측 팁

A large, bright galaxy visible in binoculars from dark sites as an elongated streak. A telescope at low power shows the asymmetric brightness profile. Best from southern latitudes in autumn evenings.

역사

Discovered by James Dunlop on July 7, 1826 from Australia. NGC 55 and NGC 300 form a gravitationally bound pair within the Sculptor Group, similar to the LMC-SMC pair in our Local Group.

재미있는 사실

Despite being classified as edge-on, NGC 55 may actually be a barred galaxy seen at a moderately high inclination. It has active star formation concentrated in a bright bar-like central region.

커뮤니티 사진 (1)

Credit: ESO. License: CC BY 4.0. (Wikimedia Commons)

Credit: ESO. License: CC BY 4.0. (Wikimedia Commons)

Skybred Mar 2, 2026