AAVSO Observer Code
American Association of Variable Star Observers (AAVSO)
Full Name
Ari Siqueira
Betim, Minas Gerais, BR
Background/Interesting Fact
First hooked to Astronomy during my mid-teens; definitely fell in love with it in Athens/GA, USA, by the time of Halley's comet perihelion in 1985-86.
Practicing photometric and spectroscopic observation of Be stars.
Backyard DIY observatory located at 19° 57' S / 44° 15' W, 780 m; 203-mm f/10 SCT, 80-mm f/5 achromatic refractor.
Affiliated with the British Astronomical Association, the Variable Stars South, the Sociedade Astronômica Brasileira, the Alfa Crucis Group, the União Brasileira de Astronomia, the Liga Iberoamericana de Astronomía - Sección Estrellas Variables, and the Centro de Estudos Astronômicos de Minas Gerais.
CHOICE Courses Completed
Variable Star Classification and Light Curves 2022-04-03
Introduction to Spectroscopy 2022-07-18
Developing A Visual Observing Program 2022-08-03
Photometry using VPhot 2022-11-18