Iiro's DeepSky Sketches

Name: NGC 4251	Other name: UGC 7338
RA: 12h 18.1m	DEC: +28° 10'
Constellation: COM
Type: Galaxy
Magnitude: 10.7
Size: 3.6' x 2.5'
PA: 100°
Surface brightness: 12.4
Classification: SBO Ring
Description: vB,S,E,vsvmbMN,*6-7 f 90"
Notes: H I 89,lens shape
Observer: Iiro Sairanen
Location: Haakanala, Rautjärvi, Finland
Date: 18/19.4.2012 23:55
Instrument: Newton 457/2280 mm
Magnification: 457x	Filter: -
Field: 9'	Seeing: 2
Background sky: 2	NE lim mag: 6.9
Visuality: II	Height: 57°
Weather: -4°C, astronomical twilight
Description: Highly elongated in W-E direction, bright core.
Updated: 4.11.2012 20:27