Iiro's DeepSky Sketches

Name: NGC 4151 & NGC 4156Other name: UGC 7166
RA: 12h 10.5m DEC: +39° 24'
Constellation: CVN
Type: Galaxy
Magnitude: 10.8
Size: 6.8' x 5.3'
PA: 50°
Surface brightness: 14.2
Classification: SBab Ring
Description: vB,S,R,vsmbMBN,p of 2
Notes: H I 165,P w NGC 4145,NGC 4156 @ 5.2',Ho 345c @ 8.8'
Observer: Iiro Sairanen
Location: Ania, Pirkkala, Finland
Date: 13/14.4.2010 1:25
Instrument: Newton 300/1500 mm
Magnification: 214xFilter: -
Field: 23'Seeing: 3
Background sky: 2NE lim mag: 6.5
Visuality: IHeight: 65°
Weather: -2°C
Description: NGC 4151 is an interesting galaxy because at first it looked like a faint haze around a 12 mag star. 7 mm Nagler shows some kind of spiral structure, there are clearly brighter patches on the NW and SE heads. It impossible to say is there a star involved with a nucleus or is the nucleus stellar. 13 mag NGC 4156 lies on the north side. It's only a small elliptical haze.
Updated: 26.4.2010 19:28