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C48

NGC 2775

은하 우수 (64/100)

Barred Spiral

C48 Galaxy Cancer 관측 가능 난이도 3 Medium telescope (6-8") - Dark skies recommended
Credit: ESA/Hubble & NASA, F. Belfiore, J. Lee and the PHANGS-HST Team. License: CC BY 4.0. (Wikimedia Commons)
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특성

등급 10.3
각크기 4.2′ × 3.4′
위치각 159°
거리 55000000 ly
은하 유형 Barred Spiral (Sab)
Spiral Galaxy [Distance: 55000000 ly]

위치 & 식별자

RA 09h 08m 06.7s
Dec +07° 02' 06.0"
별자리 Cancer
카탈로그 C48

가시성

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C48 소개

설명

NGC 2775 is a spiral galaxy in Cancer, about 55 million light-years away. It has an unusually smooth, bright central region surrounded by tightly wound, faint spiral arms with a distinctive flocculent (patchy) structure.

관측 팁

Visible as a moderately bright, round glow with a prominent nucleus in a 6-inch telescope. Not much spiral structure is visible visually. Best in winter and spring evenings.

역사

Discovered by William Herschel on March 19, 1783. Hubble Space Telescope images revealed that the spiral arms contain almost no gas, suggesting star formation has nearly ceased.

재미있는 사실

NGC 2775 has an unusually large and bright bulge relative to its disk, and its spiral arms are remarkably gas-poor. It appears to be a galaxy that has exhausted most of its raw material for making new stars.

커뮤니티 사진 (1)

Credit: ESA/Hubble & NASA, F. Belfiore, J. Lee and the PHANGS-HST Team. License: CC BY 4.0. (Wikimedia Commons)

Credit: ESA/Hubble & NASA, F. Belfiore, J. Lee and the PHANGS-HST Team. License: CC BY 4.0. (Wikimedia Commons)

Skybred Mar 2, 2026