The motion of the comet2 The motion of the comet2 The motion of the cometThe motion of the cometThe Newton Project Knowledge Graph2020-10-08Journal2 The motion of the comet
1664\. 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