GALLERY THE SPACE BUTTERFLY Fernando Oliveira de Menezes Messier 6, the Butterfly Cluster, is a bright open cluster in Scorpius full of hot, young, blue stars. The brightest star in the cluster is BM Scorpii (center left), an orange giant and a semiregular variable. The cluster's name stems from its outline resembling the outstretched wings of a butterfly. DETAILS: Sky-Watcher Esprit 150ED Triplet APO refractor with ZWO ASI6200MC Pro camera. Total exposure: 2.63 hours. Gallery showcases the finest astronomical images that our readers submit to us. Send your best shots to gallery@skyandtelescope.org. See skyandtelescope.org/aboutsky/guidelines. Visit skyandtelescope.org/gallery for more of our readers' astrophotos. 78 JANUARY 2022 * SKY & TELESCOPEhttp://www.skyandtelescope.org/aboutsky/guidelines http://www.skyandtelescope.org/gallery