NGC 1817 is an open cluster of stars in the constellation Taurus. It was discovered by English astronomer William Herschel in February 1784. [5] With an apparent magnitude of 7.7 [3] and …

ngc 1817 是金牛座的一個星系。 维基共享资源上的相關多媒體資源：ngc 1817. ned – ngc 1817; seds – ngc 1817; simbad – ngc 1817; vizier – ngc 1817

2013年11月20日 · In this paper we analyse the evolutionary status of three open clusters: NGC 1817, NGC 2141 and Berkeley 81. They are all of intermediate age, two are located in the …

2020年2月10日 · We present a survey of variable stars detected in K2 Campaign 13 within the massive intermediate-age (∼1 Gyr) open cluster NGC 1817. We identify a complete sample of …

NGC 1817 is a Open Cluster in the Taurus constellation. NGC 1817 is situated close to the celestial equator and, as such, it is at least partly visible from both hemispheres in certain …

NGC 1817 is an Open Star Cluster located in the constellation of Taurus in the equatorial region. NGC 1817 is called NGC 1817 in the New General Catalogue (NGC). This catalogue is a list …

ngc 1817，是一个星系，发现者是弗里德里希·威廉·赫歇尔，发现日期为1784年2月19日。

From Virginia Beach , NGC1817 will become visible at around 20:20 (EDT), 54° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting …

2013年11月11日 · In this paper we analyse the evolutionary status of three open clusters: NGC 1817, NGC 2141, and Berkeley 81. They are all of intermediate age, two are located in the …

NGC 1817 是 金牛座 的一个 星系。 维基共享资源 上的相关多媒体资源： NGC 1817.