AAVSO Alert Notice 494<br /> T Tauri Stars Observing Campaign<br /> December 20, 2013 <p>Darryl Sergison (University of Exeter) has requested AAVSO assistance with a campaign he is carrying out on five T
AAVSO Alert Notice 493<br /> Request to monitor BP Tau in support of Chandra X-ray observations<br /> December 18, 2013 <p>Dr. Hans Moritz Guenther (Harvard-Smithsonian Center for Astrophysics) has requested nightly observations of
AAVSO Alert Notice 488<br /> Observations of AA Tau requested to schedule XMM-Newton<br /> August 1, 2013 <p>Dr. Hans Moritz Guenther (Harvard-Smithsonian Center for Astrophysics) has requested nightly observations of the classical T
AAVSO Alert Notice 452<br /> Simultaneous observations of SU Aur and AB Aur requested for XMM-Newton<br /> February 8, 2012 <p>Dr. Hans Moritz Guenther, Harvard-Smithsonian Center for Astrophysics, has requested bracketing and simultaneous