Skymonsters

Astrophotography by Nicola Montecchiari

Sh2-155 - Cave Nebula

Emission Nebula Sh2-155 - Cave Nebula
Date/Place2018-08-16 at Elijah Observatory
CoordinatesAR 22h 57m 17s DEC +62° 28' 33"
InstrumentTakahashi FSQ85ED
CameraQSI583wsg
IntegrationImage aquisition with Astroscheduler 1.0
LRGB Composition:
L: 42 x 600 sec., bin 1
RGB: 18x600 sec. per channel, bin 1
CCD Temperature: -20 °C
DescriptionDiffuse nebula in the constellation Cepheus, within a larger nebula complex containing emission, reflection, and dark nebulosity. Sh2-155 is an ionized H II region with ongoing star formation activity, at an estimated distance of 2400 ly from Earth.