Astronomy Cafe – Jan 9, 2023

Posted by as Astro Cafe

Meeting transcript video

  • Intro – Randy Enkin
    • We still don’t have approval to hold monthly meetings at UVic, so speakers will continue to present at Astronomy Cafe
  • Learning Astrophotography – Reg Dunkley
    • Dec 6th Astro Cafe presentation by Ron Fisher on his adventures learning astrophotography – thanks Ron!
    • Victoria Centre Observatory can help members to start taking astrophotos using our centre’s gear once the VCO reopens – soon now. Bring your own dSLR to use on our Takahashi refractor, or use our 61 mpix mono astro camera on our OGS Ritchey–Chrétien telescope.
  • Far Side Amateur Astronomers Observing a Supernova – Reg Dunkley
  • Laurie Rousseau-Nepton from CFHT is the speaker for next week’s Astro Cafe – Dave Payne
    • Hydrogen star-forming regions
    • Observing with the SITELLE sensor on CFHT
  • RASC Edmonton Astrophotos – Dave Robinson
    • WR134 Wolf-Rayette star and region – Abdur Anwar
  • Sunrise, Sunset and the Path of the Sun – Randy Enkin
    • Why does the shortest day not happen at Winter Solstice? – question posed by Marjie Welchframe
    • Obliquity – plus or minus 8 mins variability for a “day” – tilt of the ecliptic to the equator
    • Eccentricity – Kepler’s Second Law – causes variation between civil time and solar time
    • Sun compass – uses local solar tip and longitude, corrected for DST
  • SIGs – David Lee
    • Beginners Group – back to basics
    • Electronically-assisted Astronomy – winding down
    • Citizen Science – starting up
    • Astrophotography – had a meeting in Dec, and will report to Astro Cafe in a couple of weeks
    • Makers – David building an “environment box”
  • President’s Announcements – Randy Enkin
    • Soliciting feedback from members on the new proposed bylaws by Jan 15th – send to Secretary and President.
    • Special meeting to adopt the new bylaws
    • Hold AGM under (hopefully) new bylaws
    • Members should consider standing for election to an officer’s position – contact Reg Dunkley, Nominations – email
  • Handbooks for Explore the Universe and Explore the Moon are available at $10 each. Also some 2023 RASC Observers calendars are still available at $15 each. Contact Lauri Roche by email
  • Observing Opportunities
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