October 2 - RASC Members' Meeting (online)
When: Saturday, October 2, 2021
Time: 1:00 PM Atlantic
David Hoskin (RASC Halifax Centre) - Hydrogen Alpha Solar Imaging
David will go over the benefits of hydrogen-alpha solar imaging versus white light imaging of the Sun. He will also discuss the equipment, software, and techniques used to generate a hydrogen-alpha image of the Sun.
Pat Kelly (RASC Halifax Centre) - The Instability Gap and Cosmic Distances.
Pat will look at stars that become unstable, and how their pulsations lead to determining the size of the Milky Way and the existence of other galaxies.
(plus all the usual segments)