NGC 7023. This is a reflection nebula in the constellation Cepheus. It's blue color comes from the star SAO 19158, which lies near the nebula's center. It's 1400 light years away.
SBIG4000XCM,MN74 Mak/Newt,Orion EQ-G Mount 4 - 1/2 hour shots. Total time 2 hours.
full exif