"Every perception is to some degree an act of creation, and every act of memory is to some degree an act of imagination."

-- Gerald Edelman, Second Nature: Brain Science and Human Knowledge
The motion of the comet2 The motion of the cometThe motion of the cometThe Newton Project Knowledge Graph2020-10-08Journal1664\. Dec 9th old stile at 4 of the clock in the Morning the latitude southward of the Comet was 20d, its longit 182d. The length of its tayle 20d. On fryday before midnight December 23d 1664 I observed a Comet whose rays were round her, yet her tayle extended it selfe a little towards the east parallell to the Ecliptick The  it selfe was not seene onely it looked like a little cloude The altitude of Sirius at the time of observation was 16d, The comet was then entering into the whales mouth at the nether jaw being distant from Aldeboran 23d 21' & as much from Rigel. Therefore the longitude of it was 48d 4'. its latitude 22d, 3', 44". At about 9h 24' at night Continue reading…