Iiro's DeepSky Sketches

Name: NGC 4485Other name: UGC 7648
RA: 12h 30.5m DEC: +41° 42'
Constellation: CVN
Type: Galaxy
Magnitude: 11.9
Size: 2.4' x 1.8'
PA: 15°
Surface brightness: 13.2
Classification: Ir
Description: B,pS,iR,np of 2
Notes: H I 197,disrupted,P w NGC 4490 @ 3.5'
Observer: Iiro Sairanen
Location: Härskiänsaari, Ruokolahti, Finland
Date: 26/27.4.2008 0:45
Instrument: Newton 457/2280 mm
Magnification: 326xFilter: -
Field: 15'Seeing: 4
Background sky: 5NE lim mag: 5.3
Visuality: IHeight: 68°
Weather: +0°C, astronomical twilight
Description: Full darkness has gone till next autumn, but NGC 4490 was still a superb galaxy with a 7 mm Nagler. Spiral arms are very open, the northern arm is much longer than southern one. SN2008ax shone as a 14 mag star alongside the southern arm. There is also a faint star in the southern tip.
Updated: 6.9.2008 17:24