Astronomy Picture of the Day
Index - Nebulae: Planetary
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Today's Picture
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The Cat's Eye Nebula (Revisited)
Cometary Knots in the Helix Nebula
At the Edge of the Helix
The Eye of an Hourglass Nebula
M27: The Dumbbell Nebula
M57: The Ring Nebula
MyCn18: An Hourglass Nebula
NGC 2440 Nucleus: The Hottest Star?
NGC 4361: Galaxy Shaped Planetary Nebula
NGC 5189: A Strange Planetary Nebula
NGC 5882: A Small Planetary Nebula
NGC 7027: A Dying Star's Nebula
NGC 7293: The Helix Nebula
Shapley 1: An Annular Planetary Nebula
Searchlight Beams from the Egg Nebula
This index contains previous Astronomy Pictures of the Day (TM) sorted by subject and is updated monthly. Therefore, only APODs occurring before the beginning of this month are currently indexed. The
chronological archive
is completely current.
Authors & editors:
Robert Nemiroff
(
GMU
) &
Jerry Bonnell
(
USRA
).
NASA Technical Rep.:
Sherri Calvo
. Specific rights apply.
A service of:
LHEA
at
NASA
/
GSFC