JD Calendar for 2021
The Julian Day Calendar for 2021 is now available for viewing or download here:
front page news
All nodes that have this tag will posted to the home page "Recent Activity" block
JAAVSO Volume 48 Number 2, 2020 is published
http://www.aavso.org/apps/jaavso/volumes/
The printed version of this issue will be available soon. Please watch for the announcement on our main web page.
The Journal of the American Association of Variable Star Observers
Volume 48, Number 2, 2020
Articles in This Issue
2021 RR Lyrae Ephemeris
The 2021 RR Lyrae Ephemeris is now available.
Many thanks to its creator, Gerry Samolyk!
2021 Eclipsing Binary Ephemeris
The 2021 Eclipsing Binary Ephemeris is now available.
Thank you Gerry Samolyk for all the good work you put into this!
Alert Notice 727: Chandra observations taking place for RW Aur
December 6, 2020
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Campaigns & Observation Reports: https://www.aavso.org/rw-aur-monitoring
Please subscribe to this thread if you are participating in the campaign so you can be updated by the astronomer and by HQ. Join in the discussion or ask questions there!
Alert Notice 726: Nova in Perseus: N Per 2020 = TCP J04291884+4354232 = TCP J04291888+4354233 [V1112 Per]
November 27, 2020
AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
- Time Sensitive Alerts: https://www.aavso.org/possible-nova-mag-10-perseus-0
- Novae: https://www.aavso.org/possible-nova-mag-10-perseus
Alert Notice 725: Campaign on Northern T Tau Stars
November 12, 2020
Alert Notice 724: VY Aqr observing campaign
November 9, 2020
Solar Bulletin - Volume 76, Number 09
The September Solar Bulletin is now available. Please visit the Solar Bulletin web page to download your copy: https://www.aavso.org/solar-bulletin
The September SID Data report is available at https://www.aavso.org/sid-database