Morning Tea TTSO4

Presenter(s): Stephen Broderick Affiliation(s): St Ursula's College, Toowoomba QLD Session details: Sunday, 2016-03-26 22:45:00, LT106 Abstract Getting started in spectroscopy is now easy and inexpensive, thanks to the Star Analyser grating costing under $200. The Star Analyser attaches to a CCD camera and allows you to easily see the spectra of distant stars in real…

Presenter(s): Andrew James Affiliation(s): Non-Affiliated Independent Amateur Astronomer (NAIAA) Session details: Sunday, 2014-04-20 00:00:00, New York Abstract Since the early 19th Century, southern observers have created only a dozen or so prominent southern double stars catalogues. Likely the most important of these were the large number of discovered pairs made by J. Dunlop (DUN), J….

Presenter(s): Ian A B Sullivan Affiliation(s): ASV, MPAS Session details: Saturday, 2014-04-19 06:00:00, Vienna Abstract After two visits to Prague in recent years I have obtained the photos and knowledge, with research, to discuss the astronomical life and times of Tycho and Kepler around 1600. I have also seen the display at Benatky Palace outside…

Presenter(s): Roy Axelsen Affiliation(s): Astronomical Association of Queensland Session details: Sunday, 2016-03-26 22:30:00, LT104 Abstract V1338 Centauri, V1430 Scorpii and V1307 Scorpii are high amplitude delta Scuti stars for which the last period determinations were made in 2006, 2004 and 2001 respectively. In view of the elapse of time since, DSLR photometry was taken from…