Iiro's DeepSky Sketches

Name: NGC 188	Other name: OCL 309
RA: 0h 47.5m	DEC: +85° 14'
Constellation: CEP
Type: Open cluster
Magnitude: 8.1
Size: 14.0'
Number of stars: 20
Brightest star: 12.1
Classification: II 2 r
Description: Cl,vL,R,150-200 st 10...18
Observer: Iiro Sairanen
Location: Haakanala, Rautjärvi, Finland
Date: 10/11.10.2009 22:15
Instrument: Newton 457/2280 mm
Magnification: 134x	Filter: -
Field: 30'	Seeing: 3
Background sky: 3	NE lim mag: 6.7
Visuality: I	Height: 65°
Weather: -1°C
Description: A very rich cluster which contains mainly 12 mag and fainter stars.
Updated: 15.11.2009 13:39