GALLERY u GALILEAN TRANSIT Dan Llewellyn The yellowish moon Io (bottom right) cast its dark shadow on the Jovian cloudtops on November 5, 2023. To its left, the Great Red Spot appears paler than the Southern Equatorial Belt, unlike its appearance in recent years. DETAILS: Celestron C14 Schmidt-Cassegrain and Player One Mars-C II camera. Stack of more than 8,000 frames. q WIDESPREAD SPOTS Chris Schur Several large sunspots make up Active Region 3645, as seen on April 19th. Each displays a delicate halo of flocculent penumbrae. The entire field is riddled with countless light and dark convective cells known as granules. DETAILS: Explore Scientific AR152 refractor and ZWO ASI183MM camera. Stack of multiple video frames through Baader Herschel Wedge and solar continuum filter. 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 AUGUST 2024 * SKY & TELESCOPEhttp://www.skyandtelescope.org/aboutsky/guidelines http://www.skyandtelescope.org/gallery