Iiro's DeepSky Sketches

Name: NGC 4550	Other name: UGC 7757
RA: 12h 35.5m	DEC: +12° 13'
Constellation: VIR
Type: Galaxy
Magnitude: 11.7
Size: 3.3' x 0.9'
PA: 178°
Surface brightness: 12.8
Classification: SBO
Description: pB,S,vlE,sp of 2
Notes: H I 36,NGC 4551 @ 3.0'
Observer: Iiro Sairanen
Location: Ania, Pirkkala, Finland
Date: 22/23.4.2009 2:13
Instrument: Newton 300/1500 mm
Magnification: 300x	Filter: -
Field: 14'	Seeing: 2
Background sky: 3	NE lim mag: 6.7
Visuality: I	Height: 33°
Weather: -5°C, astronomical twilight
Description: NGC 4550 is highly elongated and has a stellar core. NGC 4551 is an oval haze with brighter center.
Updated: 13.8.2009 20:50