Celebrating a Century of Variable Star Astronomy

10/15/2021

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NEWS & FEATURES AAVSa Celebrating a century of variable star astronomy Since its founding in 1911, the American Association of Variable Star Observers has been an indispensable organization for amateur astronomers, engaging stargazers in exploring the night sky. READ MORE SPONSORED BY: TRAVELQUEST Experience Iceland’s northern lights with TravelQuest! In September 2022, TravelQuest will embark upon a unique, 10-day Iceland: Fire, Ice & Aurora adventure through the seldom-visited Great North region. Experience the aurora borealis, just steps from your picturesque countryside accommodations! Add to that whale watching, lava fields, waterfalls and more - The trip of a lifetime awaits you!  ESO/L. Calçada/spaceengine.org What are stellar-mass black holes? These black holes may be puny compared to their supermassive siblings, but they are anything but gentle. READ MORE ESA/Roscosmos/CaSSI Snapshot: Martian string of craters ESA captures a trio of impact craters. READ MORE Tony Hallas How to image the cosmos in Hydrogen-alpha with the Canon Ra Designed for astrophotographers, the Canon Ra specializes in capturing the reddish cosmic glow that’s invisible to many other devices. READ MORE NASA Ask Astro: What time is it on the International Space Station? In your July 2020 issue, there was a picture of astronauts Kjell Lingren and Scott Kelly on board the International space Station (ISS). In the picture, Scott Kelly has a wristwatch on. Why does he need one and what time is it on the ISS? READ MORE OBSERVING NASA/Hubble Team/OPAL/Kevin M. Gill The sky this week Your daily digest of celestial events coming soon to a sky near you. READ MORE PICTURE OF THE DAY Dan Crowson from Dardenne Prairie, Missouri The Coathanger The Coathanger lies in the constellation Vulpecula the Fox. This beautiful asterism is also known as Brocchi’s Cluster and Collinder 399. The tiny red emission nebula just to the left of bottom center is Sharpless 2–83. VIEW NOW

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