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News and Announcements

Wednesday, May 24, 2017 - 17:37 Alert Notice 579: KIC 8462852 optical dipping event
Tuesday, May 23, 2017 - 21:27 Alert Notice 578: Nova in Centaurus - ASASSN-17gk
Wednesday, May 17, 2017 - 15:57 Small telescopes discovered styrofoam-density exoplanet orbiting a bright star
Tuesday, May 16, 2017 - 17:59 Alert Notice 577: SN 2017eaw in NGC 6946 (PSN J20344424+6011359)
Friday, May 12, 2017 - 20:59 Solar Bulletin - Volume 73, Number 04
Friday, May 12, 2017 - 14:55 Solar Observing Guide - in French
Thursday, May 11, 2017 - 20:23 Alert Notice 576: Nova in Ophiuchus - TCP J17394608-2457555
Wednesday, May 10, 2017 - 18:21 New multi-wavelength images of the Crab Nebula
Tuesday, May 2, 2017 - 19:39 Special Notice #429: V694 Mon (MWC 560) spectroscopy requested
Friday, April 28, 2017 - 19:40 Alert Notice 575: Monitoring of Swift J1357.2-0933 (CRTS J135716.8-093238) requested
Friday, April 28, 2017 - 13:53 Safe Sunspot Observing
Tuesday, April 25, 2017 - 13:27 Colliding stars will light up the night sky in 2022
Thursday, April 20, 2017 - 15:14 Secrets of a jet: what we learned from a supermassive black hole
Wednesday, April 19, 2017 - 19:04 Solar Bulletin - Volume 73, Number 03
Friday, April 7, 2017 - 14:06 ALMA Captures Dramatic Stellar Fireworks from young stars

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Announcement: New Forums

We are excited to announce the launch of our new forums! You can access it forums.aavso.org. For questions, please see our blog post. New threads should be posted on the new forums. The forums at aavso.org/forum will become read-only on September 12, 2024.