BLUE ROSE Wanda Conde The Rosette Nebula, NGC 2237, takes on an unusual color palette of blues, yellows, and oranges when imaged through narrowband fi lters. DETAILS: Orion ED80T Triplet Apochromatic refractor with ZWO ASI1600MM CMOS camera. Total exposure: 12 hours through Astronomik Hα, S II, and O III filters. sk yandtele scope.com * J U N E 2 019 77http://www.skyandtelescope.com