Iiro's DeepSky Sketches

Name: NGC 4051Other name: UGC 7030
RA: 12h 3.2m DEC: +44° 32'
Constellation: UMA
Type: Galaxy
Magnitude: 10.2
Size: 5.3' x 4.4'
PA: 135°
Surface brightness: 13.3
Classification: SBbc
Description: B,vL,E,vgvsmbM*11,vseBN or *
Notes: H IV 56,thick spiral arms
Observer: Iiro Sairanen
Location: Haakanala, Rautjärvi, Finland
Date: 26/27.3.2011 23:35
Instrument: Newton 457/2280 mm
Magnification: 326xFilter: -
Field: 15'Seeing: 3
Background sky: 2NE lim mag: 6.8
Visuality: 2Height: 73°
Weather: -15°C
Description: A beautiful spiral galaxy. The western arm is more obvious and sharper, also shorter than northern. There are brighter areas in the both arms. Stellar core.
Updated: 6.4.2011 20:46