NGC 6939 is an open cluster in the constellation Cepheus. It was discovered by William Herschel in 1798. The cluster lies 2/3° northwest from the spiral galaxy NGC 6946. The cluster lies …

NGC 6939 is a Open Cluster in the Cepheus constellation. NGC 6939 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern …

Open cluster NGC 6939 is approximately 5,000 light-years away in the constellation Cepheus. The small, faint, vertical galaxy in the bottom left is cataloged as PGC64824. Our line of sight …

350 mm aperture: The open star cluster NGC 6939 can be easily resolved into individual stars. Despite its relatively small size, it is still quite spacious, in any case it fits almost seamlessly …

ngc 6939是仙王座中的一个疏散星团。它是威廉赫歇尔在1798年发现的。星团位于螺旋星系ngc 6946西北2/3°处。这个星团大约在4.000光年之外，它已经有超过10亿年的历史了。

NGC 6939 is an open cluster in the constellation Cepheus. It was discovered by William Herschel in 1798. The cluster lies 2/3° northwest from the spiral galaxy NGC 6946. The cluster lies …

NGC 6939 is an open star cluster in the constellation of Cepheus, the king. It was discovered by William Herschel in 1789. It lies approximately 5000 light years away and contains 80-100 stars.

2021年1月25日 · Open cluster NGC 6939 (lower right) lies within the Milky Way, our home galaxy, about 3,860 light years away. Galaxy NGC 6946 (upper left), the Fireworks Galaxy, is at …

2001年11月10日 · An 10 minute exposure with an ST-9E CCD camera thru Kopernik's 20-inch F/8.1 Ritchey Chretien Cassegrain telescope focal reduced to F/4. The field of view is about …

From Redmond , NGC6939 is visible all night because it is circumpolar. It will be highest in the sky shortly before dawn, when it will be lost to twilight at around 05:55, 55° above your north …