Advertisers in This Issue Astronomy equipment manufacturers and dealers are a valuable resource for amateur and professional astronomers alike. Patronize our advertisers in this issue and enjoy all the benefits of their expertise. Product Locator Alluxa » page 3 filters alluxa.com Astro-Physics, Inc. » page 80 mounts / telescopes astro-physics.com Celestron » page 5 accessories / binoculars / mounts / telescopes celestron.com iOptron » page 71 mounts / telescopes ioptron.com Mallincam » page 81 cameras mallincam.net Stellarvue » inside back cover eyepieces / telescopes stellarvue.com Unistellar » back cover telescopes unistellaroptics.com QHYCCD Light Speed Vision » page 1 cameras qhyccd.com Sky-Watcher » inside front cover binoculars / mounts / telescopes skywatcherusa.com Ad Index AAVSO ..................................................... 80 Alluxa ........................................................ 3 American Astronomical Society ................ 71 Arizona Sky Village Portal ......................... 80 Astro-Physics, Inc. ................................... 80 Bradford Exchange .................................. 79 Casitas de Gila Guesthouses .................... 80 Celestron ................................................... 5 International Solar Eclipse Conference ..... 81 iOptron .................................................... 71 Knightware .............................................. 81 Lunatico Astronomia ................................ 80 Mallincam ................................................ 81 NexDome ................................................. 81 Nine Planets Ring .................................... 81 Precise Parts ........................................... 80 Princeton University Press........................ 81 QHYCCD Light Speed Vision ....................... 1 Revolution Imager .................................... 81 Sky & Telescope ................................ 71, 75 Sky-Watcher ............................................ C2 Stauer...................................................... 83 Stellarvue ................................................ C3 Technical Innovations ......................... 80, 81 Unistellar ................................................. C4 Willmann-Bell .......................................... 81 To advertise in our Product Locator, please contact Tim Allen at 773-551-0397, or email him at Ads@skyandtelescope.org 82 AUGUST 2022 * SKY & TELESCOPEhttp://www.alluxa.com http://www.qhyccd.com http://www.astro-physics.com http://www.skywatcherusa.com http://www.celestron.com http://www.stellarvue.com http://www.ioptron.com http://www.unistellaroptics.com http://www.mallincam.net