Mostly cloudy skies greeted visitors to the Cronyn Observatory Open House, Saturday, June 22nd, 2013, 8:30 p.m. Faculty member Dr. Pauline Barmby began the first of 2 presentations of her digital slide presentation, “The Summer Solstice and the Supermoon,” before and audience of 23 people, which increased to 47 visitors by the end of the evening. Graduate student Maryam Tabeshian was crowd manager.
On Tuesday, June 11th, Dave McCarter was at Camp Sylvan as Astronomy support for the Ausable Bayfield Conservation Authority children’s program. The event was scheduled from around 7:45—10:45 p.m. There were 24 grade-8 students and 5 parents from Northbrae Public School (London, Ontario) plus the Ausable Bayfield Conservation Authority staff. Dave gave his slide presentation, “The Telescope: Instrument of Discovery.” and then tried observing with his 25.4cm Dobsonian telescope through thick clouds. The Moon “played peek-a-boo” with the clouds but Saturn was mostly visible and everyone was pleased with their first view of the ringed planet!
Mostly cloudy skies greeted visitors to the Cronyn Observatory Open House, Saturday, June 15th, 2013, 8:30 p.m. Faculty member Dr. Jan Cami helped graduate student Neil Bhatt set up a spectroscopy demonstration using 3 gas discharge lamps on a table at the front of the lecture room. Neil made his digital slide presentation, “The Mysterious Case of the Light Thieves.” After his slide presentation Neil invited people to the front of the room where they put on spectroscopy glasses (with diffraction gratings) and viewed the spectra of the gas discharge lamps, including the bright red H-alpha spectral line of the glowing hydrogen gas lamp—the very same spectral line found in emission nebula.
Partly cloudy skies greeted visitors to the Cronyn Observatory Open House, Saturday, June 8th, 2013, 8:30 p.m. Graduate student Robbie Halonen made his digital slide presentations, “The Search for Another Earth.” Graduate students Jeff Bailey and David Stock operated the big 25.4cm refractor in the dome and managed the crowd, respectively. RASC London Centre member Dale Armstrong set up the Observatory’s 8-inch (20.3cm) Meade 2080/LX3 Schmidt-Cassegrain on the roof patio outside the dome.
Cloudy skies greeted 16 visitors to the Cronyn Observatory Open House, Saturday, June 1st, 2013, 8:30 p.m. Graduate student Abedin Y. Abedin made his digital slide presentation “Comets: The Dirty Snowball Model.” Graduate student Matt Shannon assisted and faculty member Dr. Peter Brown was also there. Dale Armstrong, Peter Jedicke and Dave McCarter represented the RASC London Centre. Dave brought the damaged and now fully repaired 8 X 50mm finderscope for the 25.4cm Dobsonian.