Meeting video transcript
- Galactic-scale Gas Wave in the Solar Neighbourhood – The Radcliffe Wave – João Alves et al – presented by Dorothy Paul
- Studied molecular clouds from Gaia data
- Calculated exact distances to star clouds and their 3D shapes
- Redefined our Local Arm of the Milky Way
- Radcliffe College > Harvard College/university (history)
- Cecelia Payne –
- She moved from Cambridge to Radcliffe to Harvard
- Shapely published her Stellar Atmospheres – hydrogen is the major component of the Universe
- 1957 first female full professor at Harvard
- What Stars Are Made Of – her life – by Donovan Moore
- Cecelia Payne –
- João Alves, the lead behind the Gaia study revealed “At Radcliffe, an exhibit of a quilt of stars by Anna Von Mertins honouring Henrietta Leavitt…” opened his eyes to wider consideration of the data.
- What is the origin of the Radcliffe Wave?
- How stable is it and are there similar structures in other spiral galaxies?
- A Galactic-scale gas wave in the Solar Neighbourhood – João Alves et al – PDF
- Photos from Edmonton RASC – Dave Robinson
- Lunar Transit of the ISS on March 27th – compiled from video by Arnold Rivera
- Leo Triplet – Abdur Anwar – reprocessed to show colour
- T-Rex shape in the Moon – Abdur Anwar
- Veil Nebula stereo image from Hubble – by Murray Paulson – https://esahubble.org/images/heic1520d/
- M101 galaxy – Tom Owen
- Jukka-Pekka Metsavainio’s Milky Way Mosaic – Randy Enkin
- Gigapixel mosaic of the Milky Way acquired over 12 years
- 125 x 22 degrees
- Used PixInsight for mosaic
- 3D video with Brian May and Jukka-Pekka Metsavainio
- SIGs – David Lee
- Makers – this Thursday – Jim Cliffe
- Astrophotography – John McDonald
- EAA – extra meetings, and some good results – David Lee
- Beginners – virtual telescope walk (show-and-tell) – David Lee
- Occultation of star (nu Virginis) by Moon on 23rd 11:10PM local time – David Lee will present more info next week at Astro Cafe
- Annular Eclipse from Northern Ontario – June 10, 2021 – Brendon Roy, Thunder Bay may broadcast from the centreline if possible