Iiro's DeepSky Sketches

Name: NGC 3918	Other name: PK 294+4.1
RA: 11h 50.3m	DEC: -57° 11'
Constellation: CEN
Type: Planetary nebula
Magnitude: 8.4
Size: 12''
Surface brightness: 5.7
Brightest star: 15.5
Classification: 2b
Description: !,S,R,blue,= *7,d = 1'.5
Notes: Blue Planetary
Observer: Iiro Sairanen
Location: Wicherina, Greenough, Australia
Date: 12/13.12.2009 3:10
Instrument: Newton 110/805 mm
Magnification: 230x	Filter: -
Field: 21'	Seeing: 2
Background sky: 1	NE lim mag: 7.4
Visuality: I	Height: 43°
Weather: +18°C
Description: A blue fuzzy round 8.5 mag disk.
Updated: 27.8.2010 23:14