Iiro's DeepSky Sketches

Name: PK 318+41.1 (Abell 36)Other name: Abell 36
RA: 13h 40.6m DEC: -19° 53'
Constellation: VIR
Type: Planetary nebula
Magnitude: 13
Size: 478'' x 281''
Surface brightness: 15.7
Brightest star: 11.5
Classification: 3b(3a)
Observer: Iiro Sairanen
Location: Wicherina, Greenough, Australia
Date: 12/13.1.2010 3:10
Instrument: Newton 254/1200 mm
Magnification: 92xFilter: O-III
Field: 44'Seeing: 4
Background sky: 1NE lim mag: 7.4
Visuality: IIIHeight: 43°
Weather: +16°C
Description: Slightly elliptical in W-E direction, little bit brighter areas on the east and west edges. 11 mag central star.
Updated: 17.9.2010 22:11