Iiro's DeepSky Sketches

Name: NGC 3766	Other name: OCL 860
RA: 11h 36.2m	DEC: -61° 37'
Constellation: CEN
Type: Open cluster
Magnitude: 5.3
Size: 12.0'
Number of stars: 100
Brightest star: 7.2
Classification: I 1 p
Description: Cl,pL,pRi,pC,st 8...13
Notes: Incl D* I 421
Observer: Iiro Sairanen
Location: Wicherina, Greenough, Australia
Date: 18/19.12.2009 1:15
Instrument: Newton 110/805 mm
Magnification: 161x	Filter: -
Field: 25'	Seeing: 3
Background sky: 2	NE lim mag: 7.2
Visuality: I	Height: 33°
Weather: +20°C, scattered clouds
Description: A beautiful cluster of 8-12 mag stars, pretty compact at low powers. Sadly the clouds ruined this observation...
Updated: 27.8.2010 23:03