Basic object information
Object name: NGC 4459
Object type: Galaxy
Magnitude: 10.4
Size: 3.5'x2.7'
Position angle: 110
Object classification: Sa
Description: pB,pL,iR,bM,r,*8 sf 2'
Notes: H I 161;comp @ 2.2';NGC 4468 @ 8.5';NGC 4474 @ 13.5'

Catalog information
RA (J2000.0): 12h 29m 00.0s
Dec (J2000.0): +13 59' 00"
Constellation: Coma Berenices

Observer: Iiro Sairanen
Obs. place: Ania, Pirkkala, Finland
Date/Time: 20/21.4.2009 1:53

Telescope: Newton 300/1500 mm

Magn: 300x
Field: 14'
Background sky: 3 (20.85)Visuality: I

Filter:
NE Lim.mag: 6.6
Seeing: 1
Height: 27

Weather: -6C

Slightly elliptical in W-E direction, somewhat brighter in the middle.