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AAVSO Bulletin 78 for 2015 - How to Use the Bulletin

AAVSO Bulletin 78 - Predicted Dates of Maxima and Minima of Long Period Variables for 2015 - is published in the new format that was introduced in 2011. The information that was included in earlier numbers of the Bulletin is included in this new format, along with more information. The Bulletin does not include stars that do not have an AAVSO mean curve.

AAVSO Bulletin 78 for 2015 - Introduction

AAVSO Bulletin 78: Predicted Dates of Maxima and Minima of
380 Long Period Variables for 2015

Elizabeth O. Waagen, Senior Technical Assistant
Matthew R. Templeton, Ph.D, Science Director
AAVSO, 49 Bay State Road, Cambridge, MA 02138 USA

AAVSO Bulletin 78 - Stars with Double Maxima

In AAVSO Bulletin 78 there are two stars that exhibit double maxima:  R Cen and R Nor. These stars therefore have primary and secondary maxima and minima. They are not included in the main Bulletin table. Their predicted dates of maximum and minimum for January 2015 through February 2016 are presented here in list form (JD and Gregorian calendar dates) and in approximation of the main Bulletin table format.

Antares: Betelgeuse's Neglected Twin

The pulsating red supergiant Antares (“anti-Mars”), at V = 1.06, is the 15th-brightest star in the night sky, but it gets less attention than its near-twin Betelgeuse. Check the length of their entries in wikipedia, for instance.

AAVSO Bulletin 77 for 2014 - Letter to Observers

Letter to Users of 2014 Bulletin

                                                                                                                                                        February 2014

Dear Observers,

AAVSO Bulletin 77 for 2014 - Introduction

AAVSO Bulletin 77: Predicted Dates of Maxima and Minima of
381 Long Period Variables for 2014

Elizabeth O. Waagen, Senior Technical Assistant
Matthew R. Templeton, Ph.D, Science Director
AAVSO, 49 Bay State Road, Cambridge, MA 02138 USA

AAVSO Bulletin 77 - Stars with Double Maxima

In AAVSO Bulletin 77 there are three stars that exhibit double maxima:  V Boo, R Cen, and R Nor. These stars therefore have primary and secondary maxima and minima. They are not included in the main Bulletin table. Their predicted dates of maximum and minimum for January 2014 through February 2015 are presented here in list form (JD and Gregorian calendar dates) and in approximation of the main Bulletin table format.

Alert Notice 301: Observations requested for 1041-59 eta Car and 2349+56 rho Cas

THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS
25 Birch Street, Cambridge, MA 02138 USA
INTERNET: aavso@aavso.org
Tel. 617-354-0484 Fax 617-354-0665

AAVSO ALERT NOTICE 301 (May 21, 2003)

SUBJECTS: 1041-59 ETA CAR; 2349+56 RHO CAS

OBSERVATIONS REQUESTED: 1041-59 ETA CAR and 2349+56 RHO CAS

EVENTS: Possible optical brightening of eta Car over next few months; Possible optical fading of rho Cas over next few months

Pages

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484