Topics with new and updated posts

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. The forums at aavso.org/forum have become read-only.

Topic Forum
Normal topic
g Her B-V index
by apurroy on Thu, 05/06/2021 - 21:32
Photometry
Normal topic
Alert Notice 752: Rare Outburst of RS Oph
by BSJ on Mon, 08/09/2021 - 18:26
Spectroscopy
Normal topic
Outburst of RS Ophiuchi
by GKI on Sun, 08/08/2021 - 22:42
Time Sensitive Alerts
Normal topic
Can't upload obs files
by njsg on Sun, 08/08/2021 - 13:55
Photometry
Normal topic
RS Oph outburst!!!
by dks on Mon, 08/09/2021 - 12:18
Cataclysmic Variables (CVs)
Normal topic
Getting Started Slowly.... with Muniwin
by jerryyyyy on Sun, 08/08/2021 - 22:32
General AAVSO Discussion
Normal topic
Submitting images using an exoplanet filter
by CrossoverManiac on Sun, 08/08/2021 - 06:24
VPHOT
Normal topic
V627 Peg observing campaign
by weo on Tue, 07/20/2021 - 18:46
Cataclysmic Variables (CVs)
Normal topic
More issues on target star identification
by LMN on Sat, 07/31/2021 - 09:06
VPHOT
Normal topic
How does the checkbox "Transform" on the Single Image Photometry page work?
by LMN on Mon, 08/02/2021 - 11:46
VPHOT
Normal topic
ODYSSEUS IV: HST/XMM observations of RU Lup nd BP Tau
by fwalter on Mon, 08/02/2021 - 21:47
Young Stellar Objects (YSO)
Normal topic
ODYSSEUS IV: HST/XMM observations of RU Lup nd BP Tau
by weo on Tue, 08/03/2021 - 20:41
Campaigns & Observation Reports
Normal topic
T CrB observing campaign
by weo on Tue, 08/03/2021 - 16:55
Spectroscopy
Normal topic
TCP J20210770+2914093: possible nova (mag. 12) in Vulpecula
by SPK on Fri, 07/16/2021 - 17:39
Novae
Normal topic
TCP J20210770+2914093: possible nova (mag. 12) in Vulpecula
by SPK on Fri, 07/16/2021 - 17:38
Time Sensitive Alerts
Normal topic
Availability of Johnson V and B filters?
by hrickdiz on Fri, 07/30/2021 - 23:14
Photometry
Normal topic
Linear response curve QHY 294M (Sony IMX492 sensor)
by Remco__Kemperman on Sat, 05/15/2021 - 12:41
Instrumentation and Equipment
Normal topic
DY PEG from JD 2458721 corrected
by Bernhard on Thu, 07/29/2021 - 12:22
Short Period Pulsators (SPP)
Normal topic
Remote telescopes for variable stars for education.
by ofenerci on Wed, 04/10/2019 - 09:49
Variable Stars in Education
Normal topic
Possible object in R CYG area
by Juan__Manzorro on Fri, 07/23/2021 - 14:28
Cataclysmic Variables (CVs)