Iiro's DeepSky Sketches

Name: PK 38-25.1 (Abell 70)Other name: Abell 70
RA: 20h 31.6m DEC: -7° 5'
Constellation: AQL
Type: Planetary nebula
Magnitude: 14.3
Size: 44'' x 40''
Surface brightness: 13.9
Brightest star: 18.6
Classification: 4
Observer: Iiro Sairanen
Location: Tähtikallio, Artjärvi, Finland
Date: 20/21.9.2009 23:40
Instrument: Newton 910/3640 mm
Magnification: 520xFilter: UHC
Field: 9'Seeing: 3
Background sky: 2NE lim mag: 6.7
Visuality: IIHeight: 22°
Weather: +10°C
Description: A clearly N-S oriented ring even with direct vision at 520x. There is a bright area on the north head. No central star visible.
Updated: 22.9.2009 21:54