Planetary Nebula  NGC 246    'Skull Nebula'   Walfisch / Cetus
ngc246

Telescope 16'' RCOS (f=3700mm) Size
3.8'
Camera
Apogee U9000   Mag
8.0
Filter
LRGB/HaOIII  Astrodon filters
Distance
1,600  Ly




Exposure
LRGB    5x4 min    Ha/OIII    5x15 min
Total
3h 50 min





Date
Jun 2010

Location
Australia - Northern Galactic Members Telescope (Remote)

Full moon; image acquisition by Herbert Walter; image processing by Bernhard Hubl