Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/frag_build_banner.php on line 1
sponsored by psychohistorian.org
Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/frag_build_menu.php on line 1
Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/frag_build_browse_showobject.php on line 1
Cl Ruprecht 56
Cl Ruprecht 56, C 0810-403, Ocl 730.0, COCD 188
RA: 08h 12m 30s
Dec: −40° 28′ 0″
Con: Puppis
Ch: MSA:946, U2:396, SA:20
Ref: SIMBAD, DAML02, Archinal&Hynes (2003)
Type: open cluster, 32m
Mag: B=?, V=9
Size: 39′
PA: ?
Contemporary observations
Auke Slotegraaf
1995-05-30
1995-05-30: 11x80.Technopark. 21:30 SAST. Hazy sky. A scattered region of half a dozen small stars formin g a rough but recognizable grouping. Should be too poor in the 6-inchm unless there are more, fainter stars.
1998-01-24/25
1998-01-24/25, 6-inch f/8.6 Newtonian, Stellenbosch Rifle Range site. 22:00 SAST. This open cluster lies in the Puppis Milky Way near the bright Southern Right-angle. Just to the north-west of the cluster is the orange star h2 Puppis, which has a small star N-NW. At 52x (K25mm) the cluster is just under 30 arcmin across and contains about 20 stars. It is irregularly round, with no noticeable concentration nor a central / dominant star. The stellar members are very scattered and it only vaguely resembles a cluster. There is a modest range in stellar brightnesses, since all are reasonably similar in magnitude. Look out for the vague chain of 6 stars on the westen edge of the grouping, running north-south. This chain starts with an 8th magnitude star; the fourth star (3rd from the end) is a close equal double star.
Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/frag_right_bookmarks.php on line 1
Favourite lists
Lacaille's catalogue
The Messier objects
Dunlop's catalogue
The Bennett objects
The Caldwell list
Named DSOs
Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/db_right_object_search.php on line 1
Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/db_right_help.php on line 1
The Bug Report
DOCdb is still in beta-release.
Known issues, feature requests, and updates on bug fixes, are here:
Feedback
Found a bug? Have a comment or suggestion to improve DOCdb? Please let us know!
Help!
DOCdb is a free online resource that exists to promote deep sky observing.
You could help by sharing your observations, writing an article, digitizing and proof-reading historical material, and more.
Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/db_bottom_maincontent.php on line 1
Notice: session_start(): Ignoring session_start() because a session is already active in /home/yivumoo/public_html/scripts/db_bottom_copyright.php on line 1
Everything on DOCdb.net is © 2004-2010 by Auke Slotegraaf, unless stated otherwise or if you can prove you have divine permission to use it. Before using material published here, please consult the Creative Commons Attribution-Non-Commercial-Share Alike 2.5 License. Some material on DOCdb is copyright the individual authors. If in doubt, don't reproduce. And that goes for having children, too. Please note that the recommended browser for DOCdb is Firefox 3.x. You may also get good results with K-Meleon. Good luck if you're using IE. A successful experience with other browsers, including Opera and Safari, may vary.