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C18

NGC 185

은하 양호 (55/100)

Elliptical

C18 Galaxy Cassiopeia 관측 가능 난이도 4 Large telescope (10"+) - Dark skies recommended
Credit: NASA Hubble Space Telescope. License: CC BY 2.0. (Wikimedia Commons)
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특성

등급 9.2
각크기 12.9′ × 10.8′
위치각 38°
거리 2300000 ly
은하 유형 Elliptical (E)
Elliptical Galaxy [Distance: 2300000 ly]

위치 & 식별자

RA 00h 38m 57.1s
Dec +48° 20' 13.2"
별자리 Cassiopeia
카탈로그 C18

가시성

사용자 설정에서 관측지를 설정하세요 가시성 데이터를 확인할 수 있습니다.

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C18 소개

설명

NGC 185 is a dwarf spheroidal galaxy in Cassiopeia, about 2.0 million light-years away. Like its companion NGC 147 (C17), it is a satellite of the Andromeda Galaxy, but unlike C17, it shows some dust and evidence of relatively recent star formation in its center.

관측 팁

Slightly brighter than its neighbor C17. Visible as a faint oval glow in a 6-inch telescope. The brighter central region helps distinguish it from the background. Can be viewed in the same session as C17, located about 1 degree apart. Best in autumn.

역사

Discovered by William Herschel on November 30, 1787. NGC 185 is notable for being one of the few dwarf elliptical/spheroidal galaxies with a detectable amount of interstellar dust and young blue stars in its nucleus.

재미있는 사실

NGC 185 contains a small active galactic nucleus powered by a modest black hole, making it one of the least luminous galaxies known to host an AGN.

커뮤니티 사진 (1)

Credit: NASA Hubble Space Telescope. License: CC BY 2.0. (Wikimedia Commons)

Credit: NASA Hubble Space Telescope. License: CC BY 2.0. (Wikimedia Commons)

Skybred Mar 2, 2026