Iiro's DeepSky Sketches

Name: PK 252+4.1 (Abell 27)	Other name: Abell 27, K 1-1
RA: 8h 31.8m	DEC: -32° 5'
Constellation: PYX
Type: Planetary nebula
Magnitude: 15.6
Size: 47'' x 40''
Surface brightness: 14.9
Brightest star: 21
Classification: 3b
Observer: Iiro Sairanen
Location: Wicherina, Greenough, Australia
Date: 10/11.1.2010 22:50
Instrument: Newton 254/1200 mm
Magnification: 92x	Filter: O-III
Field: 44'	Seeing: 3
Background sky: 1	NE lim mag: 7.5
Visuality: V	Height: 43°
Weather: +16°C, windy
Description: Extremely faint and difficult nebula with an O-III and averted vision.
Updated: 15.9.2010 21:41