Iiro's DeepSky Sketches

Name: NGC 4689	Other name: UGC 7965
RA: 12h 47.8m	DEC: +13° 46'
Constellation: COM
Type: Galaxy
Magnitude: 10.9
Size: 4.7' x 4'
PA: 160°
Surface brightness: 13.7
Classification: Sbc
Description: pB,vL,E,vglbM,r
Notes: H II 128
Observer: Iiro Sairanen
Location: Ania, Pirkkala, Finland
Date: 18/19.4.2009 2:25
Instrument: Newton 300/1500 mm
Magnification: 214x	Filter: -
Field: 23'	Seeing: 3
Background sky: 2	NE lim mag: 6.9
Visuality: III	Height: 37°
Weather: -6°C, gusts of wind
Description: Faint knots visible occasionally around the core-area with averted vision.
Updated: 16.8.2009 19:00