Great Comet of 1680
The Great Comet of 1680 over Rotterdam
|Discovered by||Gottfried Kirch|
|Great Comet of 1680, 1680 V1|
|Orbital characteristics A|
|Semi-major axis||444 AU|
|Orbital period||~9,400 yr|
C/1680 V1, also called the Great Comet of 1680, Kirch's Comet, and Newton's Comet, has the distinction of being the first comet discovered by telescope. It was discovered by Gottfried Kirch on 14 November 1680, New Style, and became one of the brightest comets of the 17th century – reputedly visible even in daytime – and was noted for its spectacularly long tail. Passing 0.42 AUs from Earth on 30 November 1680, it sped around an extremely close perihelion of 0.0062 AU (930,000 km; 580,000 mi) on 18 December 1680, reaching its peak brightness on 29 December as it swung outwards. It was last observed on 19 March 1681. As of September 2012[update] the comet was about 253 AU from the Sun.
While the Kirch Comet of 1680–1681 was discovered by—and subsequently named for—Gottfried Kirch, credit must also be given to Eusebio Kino, the Spanish Jesuit priest who charted the comet’s course. During his delayed departure for Mexico, Kino began his observations of the comet in Cádiz in late 1680. Upon his arrival in Mexico City, he published his Exposisión [sic] astronómica de el cometa (Mexico City, 1681) in which he presented his findings. Kino’s Exposisión astronómica is among the earliest scientific treatises published by a European in the New World.
Although it was undeniably a sungrazing comet, it was probably not part of the Kreutz family. Aside from its brilliance, it is probably most noted for being used by Isaac Newton to test and verify Kepler's laws.
- "JPL Small-Body Database Browser: C/1680 V1". Jet Propulsion Laboratory. 1681-03-19 last obs (Encke : 125 day data arc). Retrieved 2011-07-26.
- "JPL DASTCOM Comet Orbital Elements". Retrieved 2010-02-10. "Num Name ... q ... Tp ... C/1680 V1 (1680 V1) ... 0.00622200 ... 16801218.48760"
- Horizons output. "Barycentric Osculating Orbital Elements for Comet C/1680 V1". Retrieved 2011-07-26. (Solution using the Solar System Barycenter and barycentric coordinates. Select Ephemeris Type:Elements and Center:@0)
- James W. Werner. "The Great Comet of 1680". Retrieved 2006-02-05.
- Donald Yeomans. "Great Comets in History". Jet Propulsion Laboratory/California Institute of Technology (Solar System Dynamics). Retrieved 2007-08-01.
- NASA JPL HORIZONS ephemeris more accurate position, no plot.
- H. E. BOLTON. Kino’s Historical Memoir of the Pimería Alta. Cleveland, OH (USA): Arthur H. Clark, 1919. Reprint 1949.
- Tony Hoffman. "A SOHO and Sungrazing Comet FAQ". Retrieved 2006-02-06.
- Jardine, Lisa (15 March 2013). "A Point of View: Crowd-sourcing comets". Magazine. BBC News. Retrieved 20 May 2013.
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