The Cat's Eye Nebula (Planetary Nebula)
From Cambridge , Cat's Eye Nebula is visible all night because it is circumpolar. It will be highest in the sky shortly before dawn, when it will be lost to twilight around 05:55, 52° above your north-eastern horizon. At dusk, it will become visible around 18:00 (EST), 25° above your northern horizon.
Name Cat's Eye Nebula
Object Type Planetary Nebula
|Magnitude:||8.80 (V) |
9.79 (B) 
|Right ascension:||17h58m |
All times shown in Cambridge local time.