Friday, February 7, 2020 - 18:59 |
Alert Notice 698: V386 Ser to be observed with HST |
Tuesday, February 4, 2020 - 20:02 |
Alert Notice 697: Nova in Sagittarius: V6566 Sgr = N Sgr 2020 = PNV J17561375-2942546 |
Monday, February 3, 2020 - 20:07 |
Alert Notice 696: R Aqr photometry (especially B) and spectroscopy needed |
Monday, February 3, 2020 - 16:15 |
Alert Notice 695: HST to observe V694 Mon (MWC 560) |
Friday, January 31, 2020 - 18:56 |
Alert Notice 694: Spectroscopy of gamma Cas requested |
Friday, January 24, 2020 - 23:07 |
Alert Notice 693: V582 Mon monitoring requested |
Wednesday, January 22, 2020 - 20:28 |
Alert Notice 692: V694 Mon (MWC 560) to be observed with Chandra |
Tuesday, January 14, 2020 - 02:35 |
Solar Bulletin - Volume 75, Number 12 |
Wednesday, January 8, 2020 - 16:24 |
Alert Notice 691: Request for immediate photometric monitoring of the fading star ASASSN-V J060000.76-310027.83 |
Monday, January 6, 2020 - 21:36 |
Alert Notice 690: Rare very faint minimum of Betelgeuse (alpha Ori) |
Friday, January 3, 2020 - 19:14 |
Alert Notice 689: R Aqr monitoring needed in support of HST and Chandra observations |
Friday, December 27, 2019 - 15:51 |
JAAVSO volume 47, number 2, December 2019, print version now available |
Friday, December 20, 2019 - 18:11 |
Alert Notice 688: Anticipated primary eclipse of b Persei in January 2020 |
Thursday, December 19, 2019 - 22:08 |
Guía para mentores |
Wednesday, December 18, 2019 - 18:32 |
JD Calendar for 2020 |