NGC 657 is an open cluster containing very few stars or a group of stars located in the constellation Cassiopeia. It was discovered by British astronomer John Herschel in 1831. [3] [4]

NGC 657 是 仙后座 的一個 星系。

NGC 657 是 仙后座 的一個 星系。

ngc 657是仙后座的一个星系。 维基共享资源上的相关多媒体资源：ngc 657. ned – ngc 657; seds – ngc 657; simbad – ngc 657; vizier – ngc 657

NGC 657 is a Open Cluster in the Cassiopeia constellation. NGC 657 is situated north of the celestial equator and, as such, it is more easily visible from the northern hemisphere. The image below is a photograph of NGC 657 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in ...

From Virginia Beach , NGC657 will become visible at around 20:20 (EDT), 31° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 21:40 when it dips 21° above your north-western horizon. All times shown in Virginia Beach local time.

Media in category "NGC 657" The following 2 files are in this category, out of 2 total.

2022年1月21日 · Data at NED - NASA/IPAC Extragalactic Database : NGC 657. Link by name to the catalogue in VizieR:

NGC 657. 目录. 图像; 相关文章 ... We present detailed,multi-wavelength studies of the young cluster NGC 6823 and theassociated complex nebulosity, to diagnose the young stellar populationand star formation history in the region. In addition, 7 compact openclusters have been monitored for stellar variability. We show howobservations like ...

NGC 657. Basic Parameters: DSS Image: 10 x 10 arcminutes; Right Ascension (2000) 01 43 21: Declination (2000) +55 50 11: Galactic longitude: 130.221: Galactic latitude-6.299: Distance [pc] Reddening [mag] Distance modulus [mag] Log Age: Metallicity: Notes: Query. The Budapest bibliography (Alter et al.)