Crossref Citations
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Gelly, Bernard
2003.
The Sun’s Surface and Subsurface.
Vol. 599,
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68.
Published online by Cambridge University Press: 03 August 2017
Details are given about the operation of a two station network and of a new semi-automatic station which has recently been added. Comparison is made with predicted duty cycles. A possible way of quantifying the sky quality is also given.