Deep Sky · Sh2-155
Cave Nebula
Cave-shaped emission in Cepheus.
Tonight
78/100
Good
Best window20:30–05:40
Peak altitude87°
Moon separation98.9°
Vespera fit
ModeNative
FilterDual-band
DifficultyModerate
Native
Next 30 days
Oct 17
78
Oct 19
82
Facts
Magnitude7.7
Size50 × 30′
Distance2,400 ly
RA / Dec22.948 h / 62.58°
About
Cave-shaped emission in Cepheus.