Show active topics in:

- Any -About the AAVSO-General AAVSO Discussion-Planning AAVSO’s future-Web Site and Forum Help & Announcements-Foro de Discusión de AAVSO en Español-Software Development-Data Analysis-VStar-VSX-Eggen Card Project-Citizen SkyMembers Only Forums-Analyzing Data with VStar, Aug/Sept 2020-CCD Photometry (Part 1) 2020-CCD Photometry Part 2 (2020)-Exoplanet Observing, April 2020-How to Use VStar, May 2020-Observing and Counting Sunspots, Sept/Oct 2020-Photoelectric Photometry in the 21st Century, Sept/Oct 2020-Photometry Using VPhot, Sept/Oct 2020-Variable Star Classifcation And Light Curves (March 2020)-DevelopmentVariable Star Observing-Instrumentation and Equipment-Time Sensitive Alerts-Variable Stars in Education-Campaigns & Observation Reports-Visual Observing-Photometry-Spectroscopy-AAVSOnet-VPHOTVariable Stars-Cataclysmic Variables (CVs)-Data Mining-High Energy Network (HEN)-Short Period Pulsators (SPP)-Eclipsing Binaries (EBs)-Exoplanets-Long Period Variables (LPVs)-Novae-R Coronae Borealis (RCB) Stars-Solar Observing and SID Monitoring-Young Stellar Objects (YSO)

Apply

	Topic	Forum
Normal topic	P Cyg Monitoring of the intrinsic Hα Flux by ErnstPollmann on Sat, 04/04/2020 - 09:01	Spectroscopy
Normal topic	About my transform coefficient by nrivard on Wed, 04/01/2020 - 03:31	Photometry
Normal topic	NEAF online April 4, free access by DFR on Sat, 04/04/2020 - 00:15	General AAVSO Discussion
Normal topic	Trifecta... by MSD1948 on Fri, 04/03/2020 - 17:23	AAVSOnet
Normal topic	VPhot Hung UP???? by VAastro on Fri, 04/03/2020 - 16:37	VPHOT
Normal topic	VPhot minor upgrade released by SGEO on Fri, 04/03/2020 - 15:22	VPHOT
Normal topic	Current sources of Johnson-Cousins filters by spp on Wed, 04/01/2020 - 19:59	Photometry
Normal topic	TCP J21040470+4631129 spectroscopy and photometry by weo on Wed, 04/01/2020 - 16:27	Cataclysmic Variables (CVs)
Normal topic	TCP J21040470+4631129 spectroscopy and photometry by weo on Wed, 04/01/2020 - 16:27	Campaigns & Observation Reports
Normal topic	New star near Alf Cha... 2020/03/29 by ACN on Wed, 04/01/2020 - 15:23	General AAVSO Discussion
Normal topic	My totals visual/CCD by MUY on Wed, 04/01/2020 - 19:07	General AAVSO Discussion
Hot topic	What size binoculars do you like? by SET on Mon, 07/09/2012 - 15:49	Visual Observing
Normal topic	OJ 287 bright by RZD on Sat, 03/28/2020 - 20:47	Foro de Discusión de AAVSO en Español
Normal topic	zeta Tau at AAVSO data base by ErnstPollmann on Tue, 03/31/2020 - 16:14	Spectroscopy
Normal topic	Bright stars charts by BBI on Wed, 04/24/2013 - 06:36	Visual Observing
Normal topic	2019 CHOICE Course Schedule by owentooke on Mon, 12/31/2018 - 16:07	General AAVSO Discussion
Normal topic	Do you observe the same targets? Or have a "Plan?" by Ccolvin968 on Sun, 02/02/2020 - 22:08	Visual Observing
Normal topic	Two new transients: 13.9 mag (in Vela) and 15.2 mag (in Scorpius) by SPK on Sun, 03/29/2020 - 19:27	Time Sensitive Alerts
Normal topic	gam Cas Spectra of the AAVSO observer BJFB by ErnstPollmann on Sun, 03/29/2020 - 10:23	Spectroscopy
Normal topic	Twilight Observing? by JAM on Sat, 03/28/2020 - 06:32	Visual Observing