Posted by: Dave Chapman Every amateur astronomer knows the name, many have his books. Probably the last of the physical star map makers. RIP Wil, at one with the universe. RIP Wil Tirion, prolific Dutch celestial cartographer, who passed on July 5 at age 81. Is there any astronomer who does not own a star atlas created by him? https://www.wil-tirion.com/wil-tirion.com/Welcome%21.html ⇒ Original Post
Posted by: Athena Community Astronomy Club It’s SUMMER! Yeah, that means suspension of our regular monthly meets, but not until after June 30! Here’s a teaser, Rolly’s WORDS for investigation: 1. What are Relfixes? 2. What are the 3 Circumpolar Constellations closest to Polaris? 3. What is the term for the difference between Apparent and Absolute magnitude? 4. What is the relationship between the light gathering power of telescopes or binoculars and the light collecting surface of the lens of… Read more: It’s SUMMER! Yeah, that means suspension of our regular monthly meets, but not u…
Posted by: Athena Community Astronomy Club Cloudy, cloudy eve. Sidewalk astronomy not likely. It’s not that we don’t want to be, But conditions are the limits to what we see. Time is flying fast. Though evenings try to really last. It’s 10:15 before the pinpoints cast What shadows that they can while few guests pass. Cloudy, cloudy eves…. ⇒ Original Post
Posted by: Athena Community Astronomy Club Monthly Meeting reminder: Sunday, 26 May, 7- 9p.m. @ Wilmot Community Centre (Gillespie Ave., behind Shell/Needs outlet on Water St. East.) WORDS segment will focus on: 1. List the two types of Aberration of a telescope and which types of telescopes they affect. 2. What is a Protostar? How will it become a star? 3. What is a Seyfert Galaxy and a Seyfert Nucleus? 4. Kepler’s second law of planetary motion states “each planet… Read more: Monthly Meeting reminder:
Sunday, 26 May, 7- 9p.m.
@ Wilmot Community Centre
(Gi…