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	Which Company's Filters used with BSM and Takahashi Epsilon 180? by msheald on Sun, 03/15/2020 - 21:51	Photometry
Normal topic	Phase calculation of a variable with period variation by MMN on Sat, 03/14/2020 - 17:35	Data Analysis
Normal topic	ASASSN-20da: new transient (12.0 mag) in Circinus by SPK on Fri, 03/13/2020 - 22:42	Time Sensitive Alerts
Normal topic	FWHM Definition in the CCD Photometry Guide by arx on Tue, 03/10/2020 - 21:53	Photometry
Normal topic	H alpha photometry by spp on Sun, 03/08/2020 - 15:36	Photometry
Normal topic	BSM_S transforms needed by spp on Fri, 03/13/2020 - 03:28	AAVSOnet
Normal topic	DNG Raw format and Phones by zerogravity on Wed, 03/11/2020 - 21:51	Photometry
Normal topic	U Sco observation needs confirmation and follow-up NOW by weo on Wed, 03/11/2020 - 16:53	Time Sensitive Alerts
Normal topic	U Sco observation needs confirmation and follow-up NOW by weo on Wed, 03/11/2020 - 16:54	Cataclysmic Variables (CVs)
Normal topic	Capturas con DSLR para fotometría - Consultas by NicoHammer on Mon, 02/17/2020 - 17:43	Foro de Discusión de AAVSO en Español
Normal topic	I.A.P.P.P. Communications Archive by tcalderw on Sat, 03/18/2017 - 02:20	Photometry
Normal topic	Donations in Memory of Larry Krozel by AAVSO on Fri, 03/06/2020 - 15:04	General AAVSO Discussion
Normal topic	10 years of AAVSO in AS&T by paw on Mon, 03/09/2020 - 07:03	General AAVSO Discussion
Normal topic	Is this a Cosmic Ray Hit? by msheald on Mon, 02/17/2020 - 17:10	Photometry
Normal topic	New and Improved Binocular Star Listing (v2) by davidjayjackson on Thu, 03/05/2015 - 00:53	Visual Observing
Normal topic	stray number on ome CMa chart by rstalnaker on Sat, 03/07/2020 - 21:37	Web Site and Forum Help & Announcements
Normal topic	TCP J16475765-3102582: new transient (13 mag) in Scorpius by SPK on Sat, 03/07/2020 - 10:28	Time Sensitive Alerts
Normal topic	Help with linearity test on remote telescope by jim gage on Sat, 03/07/2020 - 12:22	Photometry
Normal topic	Symbiotic variable CL Sco still active by SPK on Sat, 03/07/2020 - 20:33	Time Sensitive Alerts
Normal topic	V694 Mon (MWC 560) spectroscopy requested by weo on Wed, 09/11/2019 - 14:49	Spectroscopy