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AAVSO award

I am very grateful to the AAVSO (The American Association of Variable Star Observers) for recognizing my contribution of over 500 photoelectric photometry (PEP) observations with this document:

With this gesture, the AAVSO once again demonstrates its support for variable star observers.

I take this opportunity to include here a video that I have prepared explaining how the home-made instrument I use for these observations works.

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