2.2.2 spase://SMWG/Instrument/PicduMidi/Coronagraph Pic-du-Midi Coronagraph 2012-04-24T00:00:00Z The Pic du Midi Coronograph provides H-alpha images of the solar corona and is operated daily by amateur astronomers. The instrument consists of a refractor of diameter 150mm, a narrow-band H-alpha filter and an occulting disk. spase://SMWG/Person/Jacques-Clair.Noens GeneralContact spase://vspo/Instrument/359 Coronograph Coronagraph at Pic du Midi spase://SMWG/Observatory/PicduMidi