Open Clusters

Open Clusters (35)

Friday, 01 November 2019 21:10

Messier 103

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It is an open cluster located in the constellation of Cassiopeia. It is a small and remote cluster at a distance of about 10,000 light years and contains around 100 members. It has an estimated age of around 25 million…

Additional Info

  • Constellation Cassiopeia
  • Right Ascension 01h 33.2m
  • Declination +60° 42′
  • Distance (Lightyears) 10,000
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Thursday, 24 October 2019 12:47

NGC 6939

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Open cluster NGC 6939 located in Cepheus. Located some 3,800+ light years away and an older cluster estimated at over 1 billion years of age.

Additional Info

  • Constellation Cepheus
  • Right Ascension 20h 31m 30s
  • Declination +60° 39′ 42″
  • Distance (Lightyears) 3,800
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Wednesday, 09 October 2019 12:43

NGC 7789

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NGC 7789 is an open cluster located in Cassiopeia. Often call Caroline's Rose or the White Rose, it was discovered by Caroline Herschel in 1783. It's estimated age is around 1.6 billion years.

Additional Info

  • Constellation Cassiopeia
  • Right Ascension 23h 57m 24s
  • Declination +56° 42′ 30″
  • Distance (Lightyears) 7,600
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Friday, 27 September 2019 12:17

NGC 6819

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GC 6819 an open cluster located in Cygnus. Its estimated age is around 2.5 billion years.

Additional Info

  • Constellation Cygnus
  • Right Ascension 19h 41m 18s
  • Declination +40° 11′ 00″
  • Distance (Lightyears) 7,000
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Saturday, 24 August 2019 12:12

NGC 6940

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NGC6940 is an open cluster located in Vulpecula. Some what difficult to see the cluster against the rich background of stars, the actual cluster contains several hundred members. Estimated age is 700+ million years and at distance of 2,500 light…

Additional Info

  • Constellation Vulpecula
  • Right Ascension 20h 34m 26s
  • Declination +28° 17′ 00″
  • Distance (Lightyears) 2,500
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Friday, 09 August 2019 13:14

NGC 188

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Open cluster located in the constellation of Cepheus. Estimated age of 6+ billion years, most open clusters drift apart after only a few million years. It lies above the plane of the Milky Way, and located further out than our…

Additional Info

  • Constellation Cepheus
  • Right Ascension 00h 48m 26s
  • Declination +85° 15.3′
  • Distance (Lightyears) 5,400
  • Telescope Explore Scientific 127 Refractor
  • Camera ZWO 1600MM Mono cmos
Friday, 26 April 2019 15:57

NGC 2423 Open Cluster

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Open Cluster NGC2423 located in Puppis located about 2,500 light years away. At least one exo-planet has been confirmed orbiting a the red giant star NGC2423-3 with a mass of 10 times of Jupiter. 

Additional Info

  • Constellation Puppis
  • Right Ascension 07h 37m
  • Declination -13°52'
  • Distance (Lightyears) 2497
  • Telescope Explore Scientific 127 Refractor
  • Camera Atik 314l+ Mono ccd
Friday, 05 April 2019 14:55

NGC 2539

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NGC 2539, an open cluster in Puppis. Estimated age of the cluster is 370 million years and contains several hundred possible members. The cluster lies about 4,400 light years away, the brighter star is 19 Puppis a multiple star system…

Additional Info

  • Constellation Puppis
  • Right Ascension 08h 10m 37s
  • Declination −12° 49′ 06″
  • Distance (Lightyears) 4,400
  • Telescope Explore Scientific 127 Refractor
  • Camera Atik 314l+ Mono ccd
Monday, 01 April 2019 22:44

NGC 2301

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NGC 2301, an open cluster located in Monoceros awash in a sea of stars. Estimated age of 168 million years and 2,840 light years away.

Additional Info

  • Constellation Monoceros
  • Right Ascension 06h 51m 45s
  • Declination +00° 27′ 36″
  • Distance (Lightyears) 2,840
  • Telescope Orion ED80cft Refractor
  • Camera ZWO ASI071 OSC cmos
Saturday, 30 March 2019 10:14

M 67

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Messier 67 is an open cluster located in the constellation of Cancer. It is one of the older closest open clusters at an estimated age of 3.2 to 5 billion years. Most clusters tend to disperse after their formation, but…

Additional Info

  • Constellation Cancer
  • Right Ascension 08h 51.3m
  • Declination +11° 49′
  • Distance (Lightyears) 2,600+
  • Telescope Orion ED80cft Refractor
  • Camera ZWO ASI071 OSC cmos
Saturday, 30 March 2019 10:00

M 44

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Messier 44, or the Bee Hive Cluster, or originally Praesepe (the manger) is near by open cluster at a distance of 577 light years away. The cluster contains some 350 members. Visible to the naked eye, it has been known…

Additional Info

  • Constellation Cancer
  • Right Ascension 08h 40.4m
  • Declination 19° 59′
  • Distance (Lightyears) 577
  • Telescope Orion ED80cft Refractor
  • Camera ZWO ASI071 OSC cmos
Thursday, 14 February 2019 14:25

NGC 1502

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NGC 1502 is an open cluster located in the constellation of Camelopardalis. It is near one end of a string of unrelated stars that seem to flow towards it that is called Kemble's Cascade. The cluster consists of around 45…

Additional Info

  • Constellation Camelopardalis
  • Right Ascension 04h 07.50m
  • Declination +62° 19.9
  • Distance (Lightyears) 2,700
  • Telescope Explore Scientific 127 Refractor
  • Camera Atik 314l+ Mono ccd
Wednesday, 19 December 2018 14:19

NGC 869 and NGC 884, The Double Cluster

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Located in the constellation of Perseus are the two open clusters of NGC 869 and NGC 884. Both are at a distance of around 7,500 light years away. Both are a relative young age of 13 million years. The clusters…

Additional Info

  • Constellation Perseus
  • Right Ascension 2h 20m
  • Declination 57° 08′
  • Distance (Lightyears) 7,500
  • Telescope Orion ED80cft Refractor
  • Camera ZWO ASI071 OSC cmos
Thursday, 13 December 2018 12:12

M 45, Color camera version

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A clear evening presented a chance to try out a recently acquired one shot color camera. The distinctive and well placed and one of my personal favorite objects, M45 was selected. The camera used was the ZWO ASI071MC Pro. A…

Additional Info

  • Constellation Taurus
  • Right Ascension 03h 47m 24s
  • Declination +24° 07′ 00"
  • Distance (Lightyears) 444
Thursday, 22 November 2018 17:16

M 52

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Messier 52 is an open cluster located in Cassiopeia. It contains around 193 members. Its estimated distance is between between 3,000 and 7,000 light years. The differences in distances are due to a large amount of interstellar dust in that…

Additional Info

  • Constellation Cassiopeia
  • Right Ascension 23h 24.2m
  • Declination +61° 35′
  • Distance (Lightyears) 3,000 - 7,000 light years
Thursday, 22 November 2018 17:06

M 45 Pleiades 2018

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Messier 45 or as it is often called, The Pleiades. The name is possibly derived from ancient Greek word "plein" meaning to sail. It is often called the Seven Sisters as the brightest stars are named for the Greek mythological…

Additional Info

  • Constellation Taurus
  • Right Ascension 03h 47m 24s[
  • Declination +24° 07′ 00″
  • Distance (Lightyears) 444
Friday, 02 November 2018 12:14

NGC 752

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NGC 752 is an open cluster of stars located in Andromeda. Consisting of around 60 members is located 1,300 light years away. Many distant galaxies are scattered through out the the image.

Additional Info

  • Constellation Andromeda
  • Right Ascension 01h 57m 41s
  • Declination +37° 47.1′
  • Distance (Lightyears) 1,300
Wednesday, 31 October 2018 13:08

M 39 (2018)

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Open cluster nestled against the background star field of Cygnus. The cluster is composed of about 30 members and is located approximately 1,060 light years away. Estimated age is 278 million years. Imaged with the ED80cft refractor and Zwo1600 mono…

Additional Info

  • Constellation Cygnus
  • Right Ascension 21h 31m 42s
  • Declination +48° 25′ ″
  • Distance (Lightyears) 1,060
Thursday, 18 October 2018 13:19

Stock 2

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North of the Double Cluster is a sparse open cluster called Stock 2, or sometimes called the Muscle Man Cluster. It is said to resemble a stick man figure flexing their biceps. It contains some 50 stars and is located…

Additional Info

  • Constellation Cassiopeia
  • Distance (Lightyears) 1,000
Thursday, 30 August 2018 23:19

NGC 663

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A young open cluster located in Cassiopeia, estimated to contain about 400 members. The cluster contains at least 24 Be type stars which are B class stores that show distinctive hydrogen lines in their spectra and at least five blue…

Additional Info

  • Constellation Cassiopeia
  • Right Ascension 01h 46.0m
  • Declination +61° 15′
  • Distance (Lightyears) 6,850
Friday, 22 June 2018 16:14

NGC 6866 Open Cluster

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NGC 6866 is an open cluster located in Cygnus. Caroline Herschel is credited with it's discovery. The blue stars really stand out, and you can just start to see the of a reddish glow of interstellar gas and dust that…

Additional Info

  • Constellation Cygnus
  • Right Ascension 20h 3.7m
  • Declination +44° 00'
  • Distance (Lightyears) 3900
Friday, 06 April 2018 14:34

M 48

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Messier 48, an open cluster in the constellation of Hydra. Charles Messier originally recorded a wrong position for it, so it was "lost" until later astronomers identified it as NGC 2548. The cluster contains around 80 stars with three yellow…

Additional Info

  • Constellation Hydra
  • Right Ascension 08h 13.7m
  • Declination -05° 45
  • Distance (Lightyears) 1500
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Messier 46 is an open cluster located in the constellation of Puppis. The cluster contains approximately 500 stars and is estimated to be 300 million years old. Also visible in the cluster is a planetary nebula designated NGC 2438, however…

Additional Info

  • Constellation Puppis
  • Right Ascension 07h 41.8m
  • Declination −14° 49′
  • Distance (Lightyears) 5,400
Wednesday, 21 March 2018 16:39

M 41

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Messier 41 is an open cluster located in Canis Major near the brightest star in the sky, Sirius. First recorded notice of it was by Giovanni Battista Hordierna in 1645. Charles Messier added it to his catalog in January 1765.…

Additional Info

  • Constellation Canis Major
  • Right Ascension 06h 46.0m
  • Declination −20° 46
  • Distance (Lightyears) 2,300
Friday, 16 March 2018 14:13

NGC 4755 The Jewel Box Cluster

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NGC 4755, The Jewel Box Cluster is a young open cluster in the southern constellation of Crux. Taken with a remote scope in Australia while I waited out the clouds here. One of the youngest open clusters near us at…

Additional Info

  • Constellation Crux
  • Right Ascension 12h 53m 42s
  • Declination −60° 22.0′[
  • Distance (Lightyears) 6,440
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