Iiro's DeepSky Sketches

Name: NGC 6891Other name: PK 54-12.1
RA: 20h 15.1m DEC: +12° 42'
Constellation: DEL
Type: Planetary nebula
Magnitude: 10.5
Size: 15.5'' x 7''
Surface brightness: 7.4
Brightest star: 12.3
Classification: 2a(2b)
Description: stellar=9.5m
Observer: Iiro Sairanen
Location: Lakasenpelto, Imatra, Finland
Date: 8/9.9.2004 23:30
Instrument: Newton 406/1830 mm
Magnification: 487xFilter: -
Field: 6'Seeing: 3
Background sky: 4NE lim mag: 5.5
Visuality: IHeight: 39°
Weather: +8°C, 30% moon is rising in NNE
Description: Appears as a small high surface brightness bluish oval of ~13'' diameter. Brightening in the middle is a central star?
Updated: 10.9.2004 10:10