Observing Log for 2006-09-17
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2006-09-17


Location: Billingborough (South Lincolnshire, UK)
From: 2006-09-17 12:40 UT
To: 2006-09-17 12:45 UT
Equipment: Solarscope
Temperature: 23.3C ...
Dew Point: 12.5C ...
Humidity: 51% ...
Wind Speed: 0.8mph ...
Wind Dir: South South West ...
Pressure: 1008.3hPa ...
Notes:

Very sunny day, not too much in the way of haze either. Took the Solarscope out to do a quick sunspot count.

Sun

From: 2006-09-17 12:40 UT
To: 2006-09-17 12:45 UT

Active area 908 (the return of active area 904) was still visible, getting quite close to the limb of the Sun. The spot I've been following for a while now appeared to be just a single spot, a single umbra, that still had a penumbra visible. It's possible that it was still two spots and that I was unable to resolve them due to it being foreshortened.

I could also see a new, small, single spot that was part of active area 910.


Page last modified: 2013-04-09 09:19:19 UT
Dave Pearson <davep@davep.org>
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