Bubble Nebula (NGC 7635)

Bubble Nebula (NGC 7635) is an emission nebula in the constellation Cassiopeia, magnitude 11.0 (blue), 15′ × 8.0′ across.

A bubble of gas blown by the wind of a hot, massive star. The faint shell needs dark skies and a UHC or OIII filter; M52 lies 35′ away.

When and where to see it

It is best placed in the evening sky around October, when it crosses the meridian at about 10 pm local time (around midnight in September). It can be seen from everywhere north of 29°S and never sets north of 29°N.

At its highest it stands 79° up from 50°N, 64° up from 35°N, 29° up from the equator, below the horizon from 35°S.

Facts

Type

Emission nebula

Constellation

Cassiopeia

Designations

NGC 7635, C 11

Magnitude

11.0 (blue)

Apparent size

15′ × 8.0′

Position

RA 23h 20.8m, Dec +61° 13′ (J2000)

Open AstroPilot to see when Bubble Nebula (NGC 7635) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view.