Iiro's DeepSky Sketches

Name: NGC 4337	Other name: OCL 878
RA: 12h 24.1m	DEC: -58° 7'
Constellation: CRU
Type: Open cluster
Magnitude: 8.9
Size: 3.5'
Brightest star: 10.5
Classification: II 3 p
Description: Cl,pRi,lC,* 12...14
Observer: Iiro Sairanen
Location: Ambania, Mullewa, Australia
Date: 7/8.1.2010 0:05
Instrument: Newton 110/805 mm
Magnification: 115x	Filter: -
Field: 43'	Seeing: 3
Background sky: 2	NE lim mag: 6.8
Visuality: III	Height: 27°
Weather: +17°C, windy, scattered clouds, 48% Moon in E horizon
Description: Granular glow at 38x but when Moon came up, glow disappeared. 115x shows about twenty 12 mag stars and nice 7 mag double nearby.
Updated: 4.9.2010 22:07