• Thumbnail for IC 4756
    IC 4756 is a large bright open cluster in the constellation Serpens. Known as Graff's Cluster, it is bright enough to be seen with the naked eye and considered...
    5 KB (473 words) - 07:52, 14 May 2023
  • Thumbnail for Serpens
    post-blue straggler in the open cluster IC 4756 that contains a large excess of lithium. HD 172189, also located in IC 4756, is an Algol variable eclipsing binary...
    119 KB (11,804 words) - 17:42, 6 November 2024
  • This is a partial list of IC objects, which are astronomical objects included in the Index Catalogue of Nebulae and Clusters of Stars. This two volume...
    46 KB (422 words) - 13:32, 3 November 2024
  • Thumbnail for Canis Major
    Evolution in Five Intermediate-age Clusters: NGC 2360, 2423, 5822, 6811, and IC 4756". Astronomy and Astrophysics. 273 (1): 61–72. Bibcode:1990A&A...237...61M...
    60 KB (6,873 words) - 16:35, 14 November 2024
  • Thumbnail for NGC 6633
    telescopes. NGC 6633 is also known as the Tweedledum Cluster (paired with IC 4756 as Tweedledee), also as the Captain Hook Cluster and the Wasp Cluster....
    3 KB (309 words) - 01:02, 16 June 2024
  • Thumbnail for Seyfert's Sextet
    NGC NGC 6535 NGC 6539 NGC 6604 NGC 6605 Other IC 4756 Messier 5 Messier 16 Serpens OB2 Serpens South Palomar 5...
    5 KB (320 words) - 02:38, 15 October 2024
  • NGC NGC 6535 NGC 6539 NGC 6604 NGC 6605 Other IC 4756 Messier 5 Messier 16 Serpens OB2 Serpens South Palomar 5...
    5 KB (421 words) - 13:09, 14 June 2024
  • Thumbnail for List of open clusters
    53 45' 3.9 IC 4756 18h 39.0m −05° 27′ Serpens 330 500 40' 4.6 NGC 2516, Southern Beehive Cluster 07h 58.0m −60° 48′ Carina 346 141 30' 3.8 IC 4665 17h 46...
    34 KB (1,622 words) - 22:35, 16 July 2024
  • Thumbnail for Melotte catalogue
    MmRAS, 1915 "melotte 20". sim-id. Retrieved 2020-06-24. "ic 1805". sim-id. Retrieved 2020-06-26. "ic 361". sim-id. Retrieved 2020-06-26. "ngc 1857". sim-id...
    37 KB (344 words) - 13:37, 5 November 2024
  • Thumbnail for Palomar 5
    NGC NGC 6535 NGC 6539 NGC 6604 NGC 6605 Other IC 4756 Messier 5 Messier 16 Serpens OB2 Serpens South Palomar 5...
    5 KB (414 words) - 23:07, 15 August 2023