Basic object information

Object name: PK 198-6.1 (Abell 12)
Object type: Planetary nebula
Magnitude: 13.9
Size: 37.0"
Magnitude of central star: 19.1
Notes: On NW edge OF Mu Ori;star makes ID difficult

Catalog information

A (J2000.0): 06h 02m 24.0s
Dec (J2000.0): +9 39' 00"

Constellation: Orion

Observer: Iiro Sairanen
Obs. place: Härskiänsaari, Ruokolahti, Finland
Date/Time: 17/18.1.2007 21:15

Telescope: Newton 457/2280 mm

Magn: 457x

Filter: O-III

Field: 9'

NE Lim.mag: 6.4

Background sky: 3

Seeing: 3

Visuality: II

Height: 36

Weather: -1C, windy, northern lights

Rather bright planetary nebula next to Mu Ori. Easily visible without filters as a hazy disk but O-III shows a faint ring structure. Somewhat elongated in N-S direction.