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But I’m Not Dead Yet! – the Surprisingly Short History of the Barn Door Tracker
Presenter(s): Neville Fraser Affiliation(s): WSAAG Session details: Sunday, 2026-04-04 23:00:00, ONL Abstract Intended as a means of allowing long(er) duration astrophotography, the barn door tracker is cheap and easily made. It belongs firmly in the "I could have thought of that!" category of inventions. There are several variations on the original design, and they have…
The Finnish astronomer Hugo Gylden
Presenter(s): R. Brown Affiliation(s): Trans-Tasman Occultation Alliance Session details: Monday, 2026-04-06 01:00:00 Abstract Gylden pioneered the foundations of present-day orbital mechanics, helping pave the way for the high-accuracy asteroid predictions that occultation observers benefit from. He also has an asteroid named for him – (806) Gyldenia – which I had the good fortune to observe occulting…
Occultation Manager
Presenter(s): M. Camilleri Affiliation(s): Trans-Tasman Occultation Alliance Session details: Monday, 2026-04-06 02:00:00 Abstract A review of Michael’s recently launched plug-in for SharpCap to automate occultation observing and reporting.
Vale Mike Chapman
10/03/2026 Such sad news. Mike was such a strong advocate for dark skies and helping Dark Sky Victoria with its mandate to educate and influence, presenting at NACAA in the past, attending the first DSV Symposium in 2018. Mike’s insights into the relevant standards and working through bureaucracies were particularly sharp and well-considered, often observed…
Idea to Recognition – 25+ Years in the Making: An Amateur Can Still Still Make A Difference
Presenter(s): Surjit Wadhwa Affiliation(s): Astronomical Society of NSW Session details: Sunday, 2026-04-05 01:45:00 Abstract Can amateurs still make a difference in the professional sphere. For many decades amateurs have been restricted to variable star observations, occultations, visual discoveries of transients and more recently detection of extrasolar planets from archival survey data. Even theses avenues are…
Upcoming occultations
Presenter(s): S. Kerr Affiliation(s): Trans-Tasman Occultation Alliance Session details: Monday, 2026-04-06 05:30:00 Abstract A summary of interesting and scientifically valuable occultations for the next 12 months.