Basic object information
Object name: NGC 4274
Object type: Galaxy
Magnitude: 10.5
Size: 6.8'x2.4'
Position angle: 102°
Object classification: SBab Ring

Description: vB,vL,E90,mbMN
Notes: H I 75;Saturn-like inner ring w F outer halo

Catalog information
RA (J2000.0): 12h 19m 48.0s
Dec (J2000.0): +29° 37' 00"
Constellation: Coma Berenices

Observer: Iiro Sairanen
Obs. place: Ania, Pirkkala, Finland
Date/Time: 22/23.4.2009 0:55

Telescope: Newton 300/1500 mm

Magn: 214x
Field: 23'
Background sky: 3 (21.05)Visuality: I

Filter:
NE Lim.mag: 6.7
Seeing: 2
Height: 56°

Weather: -5°C, astronomical twilight

E-W elongated galaxy, I didn’t notice the ring structure.