Iiro's DeepSky Sketches

Name: NGC 4509	Other name: UGC 7704
RA: 12h 33.1m	DEC: +32° 6'
Constellation: CVN
Type: Galaxy
Magnitude: 13.5
Size: 0.8' x 0.5'
PA: 155°
Surface brightness: 12.7
Classification: Sab pec
Description: vF,S,R,lbM
Notes: sf of 2
Observer: Iiro Sairanen
Location: Härskiänsaari, Ruokolahti, Finland
Date: 23/24.3.2007 3:45
Instrument: Newton 457/2280 mm
Magnification: 352x	Filter: -
Field: 12'	Seeing: 2
Background sky: 3	NE lim mag: 6.5
Visuality: II	Height: 50°
Weather: -1°C, northern lights, 31% Moon is setting in NW
Description: Slightly elongated in NW-SE, even brightness.
Updated: 23.4.2007 20:56