Basic object information

Object name: PK 97+ 3.1 (Abell 77)
Object type: Planetary nebula
Magnitude: 15.2
Size: 1.1'x0.8'
Magnitude of central star: 16.3
Object classification: 3a(3)
Notes: Not a PLNNB?;could be part of H II region Sh 2-128

Catalog information

RA (J2000.0): 21h 32m 12.0s
Dec (J2000.0): +55 53' 00"

Constellation: Cepheus


Observer: Iiro Sairanen
Obs. place: Härskiänsaari, Ruokolahti, Finland
Date/Time: 31/1.9.2005 2:10

Telescope: Newton 406/1830 mm

Magn: 244x

Filter: UHC

Field: 12'

NE Lim.mag: 6.5

Background sky: 3

Seeing: 3

Height: 72
Visuality: IV
Weather: +10C, windy, northern lights

Somewhat elliptical in W-E direction, otherwise undetailed. UHC gives the best views.