Iiro's DeepSky Sketches

Name: PK 55+16.1 (Abell 46)	Other name: Abell 46
RA: 18h 31.3m	DEC: +26° 56'
Constellation: LYR
Type: Planetary nebula
Magnitude: 15.6
Size: 67'' x 60''
Brightest star: 15.1
Classification: 3b(2)
Observer: Iiro Sairanen
Location: Härskiänsaari, Ruokolahti, Finland
Date: 6/7.10.2005 21:45
Instrument: Newton 457/2280 mm
Magnification: 183x	Filter: UHC
Field: 16'	Seeing: 2
Background sky: 2	NE lim mag: 6.7
Visuality: III	Height: 44°
Weather: +8°C
Description: About 1.0' in diameter, slightly elliptical in NE-SW, 15 mag central star is visible without any trouble. Good contrast with UHC filter.
Updated: 19.10.2005 18:12