Topic Forum
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Light pollution filter
by Calculad on Wed, 08/09/2023 - 20:12
Photometry
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Room sharing
by pox on Tue, 08/08/2023 - 18:50
General AAVSO Discussion
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SA 114-750 field UBVRI sequence
by bskiff on Fri, 08/04/2023 - 20:23
Photometry
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SA 111-773 field UBVRI sequence
by bskiff on Fri, 08/04/2023 - 19:37
Photometry
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NGC 6341 = Messier 92 field UBVRI sequence
by bskiff on Fri, 08/04/2023 - 19:13
Photometry
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Early Bird Annual Meeting Registration is on now. Don't miss it!!
by kathyspirer on Thu, 08/03/2023 - 18:17
General AAVSO Discussion
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Urgent Request of Lam Pav Spectroscopy
by bpablo on Wed, 07/26/2023 - 18:06
Spectroscopy
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PNV J19030433-3102187
by AAX on Mon, 07/24/2023 - 13:48
Novae
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Time Series for Exoplanet Transit Research with AAVSOnet?
by john downing on Sun, 07/23/2023 - 22:08
AAVSOnet
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Measuring V-I color
by tch on Thu, 07/20/2023 - 10:02
Photometry
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V347 Aur XMM-Newton campaign - Alert Notice 830
by weo on Wed, 07/19/2023 - 16:12
Young Stellar Objects (YSO)
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V6598 Sgr = N Sgr 2023 No. 3 - Alert Notice 829
by weo on Mon, 07/17/2023 - 21:57
Novae
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V6598 Sgr = N Sgr 2023 No. 3 - Alert Notice 829
by weo on Mon, 07/17/2023 - 21:55
Time Sensitive Alerts
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stars with most studied and most accurate hard UV and soft X-ray light curves?
by neurosurg on Mon, 07/17/2023 - 11:12
Spectroscopy
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Proposal #333: No images so far from BSM_Berry
by YPFA on Mon, 07/17/2023 - 04:12
AAVSOnet
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TCP J17525020-2024150 spectrum
by Olivier GARDE on Sun, 07/16/2023 - 01:49
Spectroscopy
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AAVSO CHOICE course on Developing a Visual Observing Program
by weo on Thu, 07/06/2023 - 19:57
Visual Observing
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Announcing T CrB pre-eruption dip
by bkloppenborg on Fri, 06/30/2023 - 14:25
Novae
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Possible Stellar Flare
by CraigNZ on Wed, 06/28/2023 - 02:06
Cataclysmic Variables (CVs)
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Ways to Identify Stars of Certain Magnitude (V) within Certain Constellations
by Gary Shaw on Thu, 06/22/2023 - 20:43
Exoplanets