Iiro's DeepSky Sketches

Name: NGC 4755	Other name: OCL 892
RA: 12h 53.6m	DEC: -60° 21'
Constellation: CRU
Type: Open cluster
Magnitude: 4.2
Size: 10.0'
Brightest star: 5.8
Classification: I 3 r
Description: !!Cl,vL,Ri,st vB (Kappa Cru)
Notes: Jewel Box Cluster,50 * mags 6..10,many tinted *
Observer: Iiro Sairanen
Location: Wicherina, Greenough, Australia
Date: 12/13.12.2009 2:50
Instrument: Newton 110/805 mm
Magnification: 43x	Filter: -
Field: 43'	Seeing: 2
Background sky: 1	NE lim mag: 7.4
Visuality: I	Height: 32°
Weather: +16°C
Description: Jewel Box. A very beautiful open cluster as name implies. There are three to five ~6 mag stars and few dozens fainter. Nicely detached and compressed.
Updated: 24.8.2010 17:36