Iiro's DeepSky Sketches

Name: PK 85+4.1 (Abell 71)Other name: Abell 71
RA: 20h 32.4m DEC: +47° 21'
Constellation: CYG
Type: Planetary nebula
Magnitude: 15.2
Size: 168'' x 147''
Brightest star: 18.9
Classification: 3b
Observer: Iiro Sairanen
Location: Härskiänsaari, Ruokolahti, Finland
Date: 31/1.9.2005 1:25
Instrument: Newton 406/1830 mm
Magnification: 146xFilter: O-III
Field: 21'Seeing: 3
Background sky: 3NE lim mag: 6.5
Visuality: VHeight: 65°
Weather: +10°C, windy, northern lights
Description: Extremely faint roundish haze with an O-III and averted vision at 146x. There is a star involving in the center but it isn't a real central star.
Updated: 15.9.2005 19:46