Basic object information
Object name: NGC 4550 & NGC 4551
Object type: Galaxies
Magnitude: 11.5 & 12.0
Size: 3.3'x0.9' & 1.8'x1.4'

Catalog information
RA (J2000.0): 12h 35m 30.0s
Dec (J2000.0): +12 13' 00"
Constellation: Virgo

Observer: Iiro Sairanen
Obs. place: Ania, Pirkkala, Finland
Date/Time: 22/23.4.2009 2:13

Telescope: Newton 300/1500 mm

Magn: 300x
Field: 14'
Background sky: 3 (21.05)Visuality: I & I

Filter:
NE Lim.mag: 6.7
Seeing: 2
Height: 33

Weather: -5C, astronomical twilight

NGC 4550 is highly elongated and has a stellar core. NGC 4551 is an oval haze with brighter center.