Sh2-155 - The Cave Nebula

HaLRGB 340 217 98 98 98 min.
TeleVue NP 127fli
ASA DDM 60 Pro
FLI ML 16200

Constellation Cepheus
Ra 22h 57m 05s
Dec 62° 38´ 09"

Sh2-155 is a diffuse nebula in the constellation Cepheus, within a larger nebula complex containing emission, reflection, and dark nebulosity. It is widely known as the Cave Nebula, though that name was applied earlier to Ced 201, a different nebula in Cepheus. Sh2-155 is an ionized H II region with ongoing star formation activity, at an estimated distance of 725 parsecs (2400 light-years) from Earth

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