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File:NGC 1964 - Potw1739a.tif

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摘要

描述
English: Stars and spirals

This spectacular spiral galaxy, known as NGC 1964, resides approximately 70 million light-years away in the constellation of Lepus (The Hare). NGC 1964 has a bright and dense core. This core sits within a mottled oval disc, which is itself encircled by distinct spiral arms speckled with bright starry regions. The brilliant centre of the galaxy caught the eye of the astronomer William Herschel on the night of 20 November 1784, leading to the galaxy’s discovery and subsequent documentation in the New General Catalogue.

In addition to containing stars, NGC 1964 lives in a star-sprinkled section of the sky. In this view from the Wide Field Imager (WFI) — an instrument mounted on the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory, Chile — the star HD 36785 can be seen to the galaxy’s immediate right. Above it reside two other prominent stars named HD 36784 and TYC 5928-368-1 — and the large bright star below NGC 1964 is known as BD-22 1147.

This view of NGC 1964 also contains an array of galaxies, visible in the background. The WFI is able to observe the light from these distant galaxies, and those up to 40 million times fainter than the human eye can see.


Credit: ESO/Jean-Christophe Lambry

Coordinates
Position (RA): 	5 33 19.90
Position (Dec):	-21° 56' 31.54"
Field of view: 	16.95 x 16.95 arcminutes
Orientation:   	North is 0.0° left of vertical
Colours & filters Band	Telescope
Optical B	456 nm	MPG/ESO 2.2-metre telescope WFI
Optical B	456 nm	MPG/ESO 2.2-metre telescope WFI
Optical R	651 nm	MPG/ESO 2.2-metre telescope WFI
Optical R	651 nm	MPG/ESO 2.2-metre telescope WFI
.
日期 25 September 2017, 06:00 (release)
来源 http://www.eso.org/public/images/potw1739a/
作者 Credit: ESO/Jean-Christophe Lambry

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当前2017年9月25日 (一) 06:132017年9月25日 (一) 06:13版本的缩略图4,272 × 4,272(43.63 MB)Fabian RRRR=={{int:filedesc}}== {{Information |description={{en|1=Stars and spirals Stars and spirals This spectacular spiral galaxy, known as NGC 1964, resides approximately 70 million light-years away in the constellation of Lepus (The Hare). NGC 1964 has a br...

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