The Paris Observatory
It was assigned the zone +24° to +18°, but it made heliogravures only for the +18°, +20°, + 22°, +24° zones.
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The Paris Observatory ( image from the site http://www.actuacity.com/paris-14e-arrondissement_75014/monuments/page3) |
Charts held at the INAF-Osservatorio Astronomico di Palermo Library: |
Donatella Randazzo, 6 November 2012