Iiro's DeepSky Sketches

Name: NGC 3981Other name: ESO 572-20
RA: 11h 56.1m DEC: -19° 54'
Constellation: CRT
Type: Galaxy
Magnitude: 11.3
Size: 5.3' x 2.5'
PA: 15°
Surface brightness: 13.9
Classification: SBbc
Description: vF,pL,iF
Notes: H III 274,Nearly edge-on spiral
Observer: Iiro Sairanen
Location: NOT (2390 m), La Palma, Spain
Date: 29/30.3.2008 2:00
Instrument: Newton 110/805 mm
Magnification: 62xFilter: -
Field: 66'Seeing: 2
Background sky: 1NE lim mag: 7.4
Visuality: IIHeight: 40°
Weather: +4°C, huminidy 27%, wind 16 m/s (NE), seeing 0.8''
Description: Somewhat elongated in NE-SW direction, small almost stellar core. A faint star on the east side. Note that the faintest stars in the sketch are over 14.5 mag.
Updated: 1.9.2008 19:04