Displaying items by tag: Open Cluster

Thursday, 17 December 2020 14:03

NGC 7686

NGC 7686 an open cluster (maybe) located in Andromeda. One source says its just a chance alignment based on its HR diagram, everyone else classifies it as an open cluster. Distance 900-3,000 light years? Not a lot of info on it. Bright stars are probably not members of the cluster.

Published in Open Clusters
Thursday, 10 December 2020 13:29

NGC 7822

Image of part of an young emission nebula that spans 40 light years across located in Cepheus. The cluster is mostly illuminated by a star named BD+66, one of the hottest stars at 100,000 times more luminous than our sun. A young stellar nursery that is forming new stars from the clouds of dust and gas.

Published in Nebulas
Thursday, 12 November 2020 17:17

NGC 129

NGC 129 an open cluster in Cassiopeia. Contains several giant stars including the Cepheid variable star DL Cas which can used to measure its distance of around 5,300 light years.  Contains 35 - 80 members and estimated age of 77 million years old.

Published in Open Clusters
Friday, 06 November 2020 16:53

The Double Cluster 2020 Version

The Double Cluster consists of two open clusters, NGC869 and NGC884 located in Perseus. Estimated age is 12.8 million years.
Although visible to the naked eye, they need optical aid to show the two individual clusters and to see them in all their glory.

Published in Open Clusters
Thursday, 29 October 2020 13:43

NGC 6885 and NGC 6882

NGC6885 and NGC6882 are a pair of overlapping open clusters located in Vulpecula. NGC 6885 is the small group of brighter stars, and NGC 6882 is the set of fainter stars or possibly it is Collinder 416 as there is some confusion from William Herschel observations. Age is estimated at 1.4 billion years.

Published in Open Clusters
Wednesday, 14 October 2020 01:02

IC 4756

An open cluster located in Serpens located about 1,500 light years away. Somewhat difficult to pick out against the dense background stars of the Milky Way. 

Published in Open Clusters
Friday, 09 October 2020 16:49

NGC 6633

NGC 6633 Open cluster located in the rich star fields of Ophiuchus. It contains around 30 stars and is about 1,000 light years away with an estimated age of 600 million years.

Published in Open Clusters
Thursday, 08 October 2020 14:14

NGC 7380

NGC 7380 or often called the Wizard Nebula is a open cluster and nebula located in Cepheus. Difficult to see visually, this image is enhanced with Ha and SIII narrow band filters.

Published in Nebulas
Friday, 02 October 2020 17:41

NGC 7129

NGC 7129 is a reflection nebula located in Cepheus. Light reflecting off the surrounding dust and gas from young hot new stars gives a bluish glow. The cluster consists of around 130 stars and is estimated to be around 1 million years old.

Published in Nebulas
Wednesday, 16 September 2020 14:30

NGC 7243

NGC 7243 is an 6th magnitude open cluster located in Lacerta. The cluster contains around 40 members in a large and sparse cluster. It's estimated age is around 100 million years.

Published in Open Clusters
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