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Figura observat. Cometicar. Gedani factar ad Communicat No. 13
Named collection: Allan Forbes Collection
Object type: engraving
Maker: Place made: Netherlands, North Holland, Amsterdam
Date made: 1668
Materials: ink; laid paper; mounting
Measurements: 12 in x 15 in
Book page illustrating an uncolored celestial map, showing both the figural representations of the constellations and the stars of which they are composed. The progress of a comet through this area of the sky is demarcated, along with the date at which each observation was made, beginning 23 Nov 1664 and ending 18 Feb 1665. Entitled "Figura observat. Cometicar. Gedani factar. ad Communicat Hevelianam Pertinens"; plate no.13. The whale Cetus is visible at right. From "Theatrum Cometicum", a 1668 text about comet sightings throughout history and their meanings.