Topic Forum
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CCD gain, CCD readout noise & CCD dark current per second
by Krzysztof on Wed, 08/02/2023 - 17:56
Instrumentation and Equipment
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Query about AAVSO guide to CCD/CMOS photometry
by Calculad on Tue, 08/29/2023 - 20:21
General AAVSO Discussion
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T CrB during 2023 August getting brighter
by DEY_VAR on Fri, 09/01/2023 - 17:23
Novae
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X Ser in outburst
by mrv on Thu, 08/31/2023 - 03:24
Novae
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The Need for Cooling? - Thermal Noise Versus Light Pollution
by zinnanti on Fri, 08/18/2023 - 21:33
Instrumentation and Equipment
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Last VSX Q&A session on August 31st, 21:00 UT
by Sebastian Otero on Thu, 08/31/2023 - 18:42
VSX
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AAVSO publications available for donation
by mrv on Wed, 08/30/2023 - 23:38
General AAVSO Discussion
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AAVSO target tool not working
by lhopital on Wed, 08/30/2023 - 02:05
Web Site and Forum Help & Announcements
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CHOICE course on Observing and Counting Sunspots starts next week - sign up for it!
by weo on Wed, 08/30/2023 - 19:56
Visual Observing
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CHOICE course on Observing and Counting Sunspots starts next week - sign up for it!
by weo on Wed, 08/30/2023 - 19:47
Solar Observing and SID Monitoring
Sticky topic
VPhot User Guide Suggestions
by SXN on Tue, 04/15/2014 - 17:29
VPHOT
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Abstracts due in 1 week for 2023 Annual Meeting Talks!!
by kathyspirer on Mon, 08/28/2023 - 14:37
General AAVSO Discussion
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Transformations of SDSS magnitudes
by MMN on Mon, 08/10/2020 - 19:09
Data Analysis
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Pentax Monochrome DSLR
by PKT on Tue, 08/01/2023 - 21:46
Instrumentation and Equipment
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AT 2023qql: Multi-band photometric and spectroscopic observations are strongly encouraged
by Mohammad Odeh on Sat, 08/26/2023 - 07:41
Time Sensitive Alerts
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I can't upload photometry
by RNL on Sat, 06/24/2023 - 09:50
Data Analysis
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FWD: [vsnet-alert 27948] Swift J1727.8-1613: black-hole binary and V404 Cyg-like object ?
by Bikeman on Fri, 08/25/2023 - 23:42
High Energy Network (HEN)
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The remove and edit icon has disappeared
by alburaidi on Thu, 08/24/2023 - 10:01
Web Site and Forum Help & Announcements
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Python Workshop is filling up quickly- Register now
by kathyspirer on Thu, 08/24/2023 - 16:15
General AAVSO Discussion
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Python Workshop is filling up quickly- Register now
by kathyspirer on Thu, 08/24/2023 - 16:15
General AAVSO Discussion