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Uploaded 21-Aug-19
Taken 21-Aug-19
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Dimensions2300 x 1668
Original file size855 KB
Image typeJPEG
Color spaceUncalibrated
SH2 - 155 - The Cave Nebula

SH2 - 155 - The Cave Nebula

In Cepheus, this nebula has both reflection and emission components, thus I shot it in both narrow band (Ha and OIII) and RGB, about 5 hours total integration on July 29, 30 of 2019. About 2700 light years distant, the nebular gases are being ionized by bright O and B stars in the region.