Iiro's DeepSky Sketches

Name: Messier 47	Other name: NGC 2422
RA: 7h 36.6m	DEC: -14° 29'
Constellation: PUP
Type: Open cluster
Magnitude: 4.4
Size: 30'
Surface brightness: 11
Number of stars: 30
Brightest star: 5.7
Classification: III 2 m
Description: Cl,B,vL,pRi,st L & S
Notes: H VIII 38,Messier gave poor postion,Struve 1121 & 1120 invl
Observer: Iiro Sairanen
Location: Playa de las Americas, Tenerife, Spain
Date: 14/15.4.2004 23:25
Instrument: Newton 110/805 mm
Magnification: 47x	Filter: -
Field: 64'	Seeing: 4
Background sky: 4	NE lim mag: 5.5
Visuality: I	Height: 25°
Weather: +18°C, windy
Description: Moderate cluster...
Updated: 15.5.2004 12:07