NGC 7635
The Bubble Nebula
Planetary Nebula
Size: 15' x 8'
Constellation: Cassiopeia
RA: 23h 20m 42s
Dec: +61 11' 00"
It is NOT easy to see this nebula by direct observation. You will need a decent-sized 'scope. Finding its location is not hard; seeing the bubble IS. Dark skies and an OIII filter are a must. Use averted vision.
The crosshairs mark the position of NGC 7635 (Bubble Nebula):
Here's a larger area view. NGC 7635 is on the right side of the chart, below the border of constellation Cepheus.