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HD 148703 observing campaign

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HD 148703 observing campaign

AAVSO Alert Notice 581 announces an observing campaign on the bright (V = 4.23) and very unusual eclipsing binary HD 148703. This campaign begins immediately - coverage is needed starting now for eclipses occurring June 11 and June 14. Please see the notice for details, observing instructions, and chart instructions.

Many thanks, and good observing!

Elizabeth Waagen, AAVSO HQ

AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484