Home Forums RAC Main Forum General Discussion Observing tonight? Reply To: Observing tonight?


    Must say I am obsessed with the galaxy M33 in Triangulum especially the structural detail one can obtain using a small refractor (AT80mmED) and live stacking images taken with a modest astronomy camera (ASI ZWO183MC) and an accurate, polar aligned tracking mount (Sky Watcher Star Adventurer Gti). In the image below (a live-stack of 501, 5 second frames) many star-forming regions are visible in the spiral arms including the huge nebula NGC 604 (white arrow), about 1,500 light years in diameter!). I would next love to obtain a hydrogen alpha filter and then obtain images highlighting the star forming areas better.
    As mentioned previously, the November 2023 issue of Sky & Telescope features M33 in the Observer’s Guide section (p 58-65) and on p 41.