Astronomy Cafe – Jan 30, 2023

Posted by as Astro Cafe

Video transcript of the meeting

  • Special General Meeting – Feb 13, 2023
    • Adopting amendments to the Centre’s Purposes (under our Constitution) and Bylaws for RASC Victoria Centre – requires a 2/3 vote by members
    • This meeting will be held at the start of Astro Cafe that evening
    • Quorum is 25 members
    • Proxies to exercise your vote can be given to another RASC Victoria member who will be attending
    • After the business meeting: Sara Ellison, Astronomy Professor at the University of Victoria, will present A brief history of galaxies: from the discovery of island universes to clash of the titans.
  • Comet C/2022 E3 ZTF – Dave Payne
    • Reviewed data acquisition and processing methodology
    • 8 second and 2 minute exposures over two nights used
    • Preliminary results, including video showing the comet’s motion through the sky
    • Members’ comet observing stories
  • Angular Momentum – Marie Welchframe
    • APOD image from a couple of days ago used the term “angular momentum”, so Marjie looked it up
    • Video explaining angular momentum for kids – law of physics
    • Group discussion: what happens to angular momentum when….
  • FDAO Astro Jeopardy – Lauri Roche
    • James, Ben & Dan were the contestants last Saturday evening
    • One unanswered question: /Which planet has the most moons?/ Unanswered so far. Saturn (83) or Jupiter (80) according to NASA.
  • Astronomy in Victoria – John McDonald
    • A presentation to Berwick House residents
    • Reviewed Plaskett’s work, DAO imaging exoplanets, forming stars
    • RASC out reach and in reach
    • Silent Sky at Langham Court Theatre – Play at Langham Court about Henrietta Leavitt
    • Laurie and Calvin presented four times in the past at Berwick a few years ago
    • Discussion of Christian Marois’ discovery of the first imaged exoplanet
  • Virtual presentations from RASC National – Lauri Roche
  • RASC Victoria Centre Picnic at Pearson College – Bill Weir
    • Late August would be best
  • AAS conference in Seattle – Chris Gainor
  • RASC Victoria AGM tentatively to be held on March 13
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