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The Carrington rotation is a system for comparing locations on the Sun over a period of time, allowing the following of sunspot groups or reappearance of eruptions at a later time. Because solar rotation is variable with latitude, depth and time, any such system is necessarily arbitrary and only makes comparison meaningful over moderate periods ...
The Carrington heliographic coordinate system, established by Richard C. Carrington in 1863, rotates with the Sun at a fixed rate based on the observed rotation of low-latitude sunspots. It rotates with a sidereal period of exactly 25.38 days, which corresponds to a mean synodic period of 27.2753 days.
The Carrington Event was the most intense geomagnetic storm in recorded history, peaking on 1–2 September 1859 during solar cycle 10. It created strong auroral displays that were reported globally and caused sparking and even fires in telegraph stations. [ 1 ]
Drawing of the Great Sunspot of 1865. Solar cycle 10 was the tenth solar cycle since 1755, when extensive recording of solar sunspot activity began. [1] [2] The solar cycle lasted 11.3 years, beginning in December 1855 and ending in March 1867.
In this system, the prime meridian passes through the center of the solar disk as seen from the Earth on 9 November 1853, which is when the English astronomer Richard Christopher Carrington started his observations of sunspots. [26] The second is the Stonyhurst heliographic coordinates system, originated at Stonyhurst Observatory in Lancashire ...
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Richard Christopher Carrington (26 May 1826 – 27 November 1875) [2] was an English amateur astronomer whose 1859 astronomical observations demonstrated the existence of solar flares as well as suggesting their electrical influence upon the Earth and its aurorae; and whose 1863 records of sunspot observations revealed the differential rotation ...
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