Daily Archives: September 12, 2013

The Perseids

The Perseids are a prolific meteor shower associated with the comet Swift-Tuttle. The Perseids are so-called because the point from which they appear to come, called the radiant, lies in the constellation Perseus. The name derives in part from the word Perseides (Περσείδες), a term found in Greek mythology referring to the sons of Perseus.
The earliest information on this meteor shower is found in Chinese annals in 36 AD. However credit for recognising the shower’s annual appearance is given to Adolphe Quetelet who reported in 1835 that there was a shower emanating from the constellation Perseus.  Some Catholics refer to the Perseids as the “tears of St. Lawrence”, since 10 August is the date of that saint’s martyrdom.

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The Sun Online and solar activity. September 12, 2013

According to the Royal Observatory of Belgium:
Solar activity has been very low. There are now four numbered active regions on the Sun, but the chances of flaring are still minor.Geomagnetic conditions have been quiet. A fast solar wind from a coronal hole is expected in the next 24h, conditions may rise to active levels with
isolated minor storm periods.

Local time:9/12/2013 at 14:00:49 Local time:9/12/2013 at 14:00:49 Local time:9/12/2013 at 14:00:49 Local time:9/12/2013 at 14:00:49

Equipment: Coronado 90 + SBIG 8300s + LX75
Editor: Photoshop
Date: 12/09/13
Time GMT: 19:00:00
Exposure 0.09 sec.

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