Iiro's DeepSky Sketches

Name: IC 1454Other name: Abell 81
RA: 22h 42.4m DEC: +80° 27'
Constellation: CEP
Type: Planetary nebula
Magnitude: 14.8
Size: 34''
Surface brightness: 12.8
Brightest star: 16.4
Classification: 4
Description: vF,S,* 7 mag 4' foll
Observer: Iiro Sairanen
Location: Härskiänsaari, Ruokolahti, Finland
Date: 3/4.11.2004 20:45
Instrument: Newton 406/1830 mm
Magnification: 244xFilter: O-III
Field: 12'Seeing: 3
Background sky: 4NE lim mag: 6
Visuality: IIIHeight: 70°
Weather: +3°C, windy, 63% Moon is rising in NE
Description: Circular planetary without filters. O-III shows a small hole in the center with averted vision. It's not easy but assuredly in view. Two faint stars are nearly involved in the NE edge.
Updated: 8.11.2004 21:01