Spectroscopic images from the Italian transit expedition to India, 1874

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The Italian astronomer Pietro Tacchini included spectroscopy as part of the observational programme of the expedition at Muddapur, India in 1874. This plate of coloured lithographic images comes from a sequence in his report Il passagio di Venere sul Sole...osservato a Muddapur nel Bengala (Palermo, 1875). The edge of the planet is clearly seen in the thin vertical band in the centre of figures 5 and 6.

Related Objects

• Muddapur, India: the Italian expedition for the 1874 Venus transit
• The Italian astronomers' bungalow at Muddapur, India, 1874

Source

Object contributed by Huxley Scientific Press