Astronomy Cafe – Sep 13, 2021

Posted by as Astro Cafe

Video transcript of meeting

  • Astro Cafe is not going to in-person meetings until the health regulations relax – contact Chris Purse or Randy Enkin if you have thoughts on how to move forward
  • History of Women in Astronomy – Marjie Welchframe
    • Dr. Tanya Harrison – “professional Martian”, planetary scientist, science team for Mars rovers
  • Finding and Observing RS Oph – star-hopping to a recurrent variable star – David Lee
    • AAVSO variable star visual observing
    • Variable star RS Oph magnitude changes more radically than most other variables
    • How he visually observed the RS Oph variable star
    • AAVSO (digital) results
  • Astrophysics of RS Ophiuchus – Recurrent Variable Binary System – Randy Enkin
  • Roadtrip to Winnipeg – Nathan and Bryan Mestelman
    • Stayed at a cottage at a dark site near Lake Winnipeg – aurora borealis, Milky Way, Moon
    • Milky Way at Lake Louise aligned with the glacier
    • Bryan explained how his Nikon camera tracked the stars at Lake Louise
  • QED – The Strange Theory of Light and Matter – review of a book by Richard Feynman – Dave Payne
    • Quantum mechanics all the way through to fine arts
    • This book needs to be read several times!
    • Richard Feynman’s lecture series are available online at no cost, if you are a physics nerd
  • Edmonton Centre astrophotos – Dave Robinson
    • Stanger Hills – a new observing site
    • Milky Way by Alister Ling
    • Soul Nebula – Tom Owen
    • Pluto – Dennis Boucher
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