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C97

NGC 3766

산개성단 우수 (73/100)
C97 OpenCluster Centaurus 관측 가능 난이도 1 Naked eye / Binoculars - Wide field preferred
Credit: ESO. License: CC BY 4.0. (Wikimedia Commons)
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특성

등급 5.3
각크기 6.9′
거리 5800 ly
Open Cluster [Distance: 5800 ly]

위치 & 식별자

RA 11h 36m 31.9s
Dec -61° 36' 43.2"
별자리 Centaurus
카탈로그 C97

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C97 소개

설명

NGC 3766 is a bright open cluster in Centaurus, about 5,500 light-years away. Known as the Pearl Cluster, it contains about 100 stars within 12 arcminutes, with many forming attractive patterns visible at low magnification.

관측 팁

A fine cluster for small telescopes and binoculars. A telescope at 40-80x shows a rich grouping of stars with some color variety. Located near the Eta Carinae Nebula region. Best from southern latitudes in spring.

역사

Discovered by Nicolas Louis de Lacaille in 1751 from South Africa. The Pearl Cluster nickname comes from its appearance as a scattering of luminous drops in a small telescope.

재미있는 사실

NGC 3766 is about 20 million years old and contains a class of slowly pulsating B-type stars that has helped astronomers discover a new type of stellar variability mechanism.

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