Iiro's DeepSky Sketches

Name: NGC 2440Other name: PK 234+2.1
RA: 7h 41.9m DEC: -18° 13'
Constellation: PUP
Type: Planetary nebula
Magnitude: 11.5
Size: 54'' x 20''
Surface brightness: 6.4
Brightest star: 17.5
Classification: 5(3)
Description: cB,not v well def
Notes: H IV 64,almost starlike,irregular at high power,PK234+2.1
Observer: Iiro Sairanen
Location: Fataga, Gran Canary, Spain
Date: 30/31.1.2005 0:00
Instrument: Newton 110/805 mm
Magnification: 214xFilter: UHC
Field: 14'Seeing: 2
Background sky: 2NE lim mag: 6
Visuality: IIHeight: 43°
Weather: +10°C, windy, 73% Moon is rising from the east
Description: Pretty bright, bluish and round planetary nebula at lower powers. It appears as brighter center which has an oval halo around with averted vision and UHC-filter at 214x.
Updated: 10.3.2005 20:45