ORGANIZATIONS BOOKS TELESCOPES Mercury/Saturn/Neptune Conjunction in April! Dedicated to Mercury, Saturn, and Neptune will be just a few degrees apart in mid April. Don't miss them - or our Observers Notebook Podcast! An ALPO membership and our observer training program can help you become a better observer of the night sky. Memberships start at only $22 per year. Learn more today! Visit us at: www.alpo-astronomy.org Connectivity: GTOCP5 www.astro-physics.com OLUTION IMAGER Machesney Park, IL USA Ph: 815-282-1513 arc second seeing. Property offered at MISCELLANEOUS SOFTWARE Deep-Sky Planner 9 Introducing our new version! Exceptional Planning & Logging for Visual Observers and Imagers (Windows) Compatible with Deep-Sky Planner Mobile Edition (Android and iOS/iPadOS) www.knightware.biz Download the Trial Edition at only you can save the night www.darksky.org DARK SKY: Development opportunity adjoins Arizona Sky Village. 140+ acres; $85,000 with terms; SoldieCreekRanch 1990@gmail.com 530-279-2757 FOR RENT: 3BR/2BA furnished home in ARIZONA SKY VILLAGE PORTAL, AZ. Spectacular observing/birding! irkitzman@gmail.com www.arizonadreaming.com 520-203-8500 Classifi ed ads are for the sale of noncomADVERTISE IN SKY & TELESCOPE MAGAZINE ADS@SKYANDTELESCOPE.ORG Read S&T! AAA12345-00_April 25 sixth page ALPO Final.pgs 01.02.2025 11:15 skyandtelescope.org/subscribe sk yand tele scope .o r g * APRIL 2025 81 SKY_MP_FEB_2020.indd 79 11/21/19 8:31 AM ORGANIZATIONS (cont.) Craftsmanship! Mach2GTO Absolute Encoders Power & Go Auto-Adjusting Gear Mesh 12-24V DC 12-24V DChttp://www.alpo-astronomy.org http://www.astro-physics.com http://shopatsky.com http://www.darksky.org http://nineplanetsring.com http://www.knightware.biz http://www.skyandtelescope.org/subscribe http://www.astrocon2025.org http://skyandtelescope.org