- Intro & Welcome by Marjie Welchframe
- Dominion Radio Astrophysical Observatory – Wyman Lee
- 13 cars in the Aston Martin car club tour the DRAO facility
- Wendell is the tour guide
- Galt radio dish
- 10.7cm solar radio flux monitoring telescope – operating for decades to support solar space weather
- CHIME – The Canadian Hydrogen Intensity Mapping Experiment detects fast radio bursts
- Very innovative staff at DAO and DRAO for radio astronomy
- Biography of John Galt
- Announcements – Randy Enkin (email)
- Whisky glasses and t-shirts for sale – RASC logo
- Council meeting tomorrow evening – agenda sent out to members by President
- Anniversary of John Dobson, the champion of sidewalk astronomy
- 10th Anniversary of LIGO – first detected gravity wave
- Regular Astro Events – monthly on the website
- Sep 19th 4:30AM – Venus and Moon conjunction – join Randy at the top of King George Terrace
- Algol Observations – David Lee (email)
- Sept 17-22 – differential photometry visually compared to other nearby reference stars
- Observing the minimum brightness of Algol
- Polaris – Randy Enkin
- Polaris is very close to the North Celestial Pole
- Refer to:
- The History of Our Universe in 21 Stars – Giles Sparrow
- The Stars – H.A. Rey
- Finding Polaris
- Polaris has only been close enough to the North Celestial Pole for about 500 years due to the wobble of the Earth’s rotational axis
- Evolution of the position of Polaris – The Clementine Sundial in Santa Maria elli Angeli in Rome
- Aligning equatorial mounts to the Celestial Pole
- Polaris is a triple system and pulses as a Cepheid variable
- Yellow Supergiant star
- Space News – Chris Gainor
- NASA
- Review of political initiatives in support of space exploration
- Changes to administration of NASA
- Review of where NASA is going – 25% reductions in budget
- Canada is involved in Artemis and Gateway missions
- Wide-ranging cuts to science are happening in the USA government
- The SpaceX Starship is back on course with Flight 10 success
- IMAP launch on Falcon 9 rocket
- Rubin Observatory begins operations – amazing preliminary results
- Interstellar Comet 31/Atlas – October is closest approach to Earth
- RASC Almamac is now Night Sky Guide 2026 – Firefly
- NASA
- Natasha van Bentum
- Artemis boarding pass – public outreach and a fun way to send your name into space
- Rainbows and Other Phenomena – Roy Bishop – Observer’s Handbook
- Human vision creates colours of the rainbows
- Reg Dunkley
- spaceweather.com – geomagnetic storm forecasts
- Fast Radio Cosmos – Victoria Kaspi youtube
- CHIME Radio Telescope and
- Feb 2017 Skynews article
- Island Star Party – Reg Dunkley
- Invasion of smart telescopes this year
- Image of the North American Nebula – 37 minutes through a telescope, processed with PixInsight
- NOVA – Part II – David Lee
- Fully booked with a waiting list
- Day and evening sessions
- Part III is coming
- Citizen Science through AAVSO and photometry – David Lee (email)
Video transcript of meeting
Astronomy Cafe – Sep 15, 2025
