Planetary Nebulae
One image shown per object, if there are more a link to all of them is diplayed next to date.
Objects listed below the picture are only these objects for which the picture is their default (best) picture.
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NGC7662 Blue Snowball Nebula (2016-10-15)
M76 Little Dumbbell Nebula [3 images] (2015-11-12)
NGC2392 Eskimo nebula (2012-04-06)

M97 Owl Nebula [3 images] (2012-04-03)
M57 Ring nebula [12 images] (2011-08-30)
M27 Dumbbell nebula [5 images] (2011-08-16)

NGC6543 Cats Eye Nebula [5 images] (2010-05-24)
NGC7293 Helix nebula (2009-11-17)