t RED PUFFBALL Massimo Di Fusco Purgathofer-Weinberger 1 (PuWe 1) is a large, ancient planetary nebula located in Lynx. Its gas and dust have expanded far from the white dwarf at its center, making PuWe 1 one of the faintest planetary nebulae known. DETAILS: Sky-Watcher EvoStar 80ED APO refractor, Konus Konusky 200-mm reflector, and Player One Astronomy Poseidon-C camera. Total exposure: 63 hours recorded with and without an Optolong L-Ultimate narrowband filter. q EPIC INTERACTION Vikas Chander The giant lenticular galaxy NGC 1316 (middle) in Fornax contains several shells and arcs in its outer halo, the result of a collision between two spiral galaxies billions of years ago. Spiral galaxy NGC 1317 is seen to the lower left. North is to the left. DETAILS: PlaneWave CDK17 corrected Dall-Kirkham telescope and SBIG STX-11002 camera. Total exposure: 22 hours through LRGB filters. sk yand tele scope .o r g * MARCH 2024 77http://skyandtelescope.org