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BAV MAGAZINE SPECTROSCOPY

Is upgrading from a doublet to triplet refractor worth it

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Invitation for 2020 AAVSO Board nominees

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VIRTUAL 2020 AAVSO Annual Meeting Events

The SAS/AAVSO 2020 Symposium will be held online!

AAVSO offers you our remaining 2020 CHOICE courses for free

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Recent Activity

Alert Notice 705: Rare outburst of the WZ Sge star PQ And (Nova And 1988)

May 29
Alert Notice 704: Exoplanet candidate observation alert for TYC 2483-160-1

May 6
LPV of the Month - May 2020 - R Cygni

Apr 30
Charts and Sequences Updates

Apr 29
Solar Bulletin - Volume 76, Number 04

Apr 14

Variable Star Observations in Database:

41,342,273 and Counting ...

Last Observation Received:

9 min 29 sec ago by NLX - Peter Nelson (AU)

SW SEX May 26.5126 14.559CV

Plot SW SEX light curve

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