Observing Log for 2006-09-09
www.astronomer.me.uk

Observing Logs

Latest Log
Related Links

2006-09-09


Location: Billingborough (South Lincolnshire, UK)
From: 2006-09-09 14:20 UT
To: 2006-09-09 14:25 UT
Equipment: Solarscope
Temperature: 21.6C ...
Dew Point: 10.7C ...
Humidity: 50% ...
Wind Speed: 5.2mph ...
Wind Dir: South East ...
Pressure: 1022.2hPa ...
Notes:

Pretty clear day, although a fair bit of thin cirrus cloud about. Took the Solarscope out to do a quick sunspot count.

Sun

From: 2006-09-09 14:20 UT
To: 2006-09-09 14:25 UT

Active areas 907 and 909 were both still visible with two small, faint spots each.

Active area 908 (the return of active area 904) was also still visible and appeared to look much the same as yesterday with a large umbra and a smaller umbra both sharing a common penumbra.

Location: Billingborough (South Lincolnshire, UK)
From: 2006-09-09 16:25 UT
To: 2006-09-09 16:50 UT
Equipment: Naked Eye
Temperature: 20.9C ...
Dew Point: 13.3C ...
Humidity: 51% ...
Wind Speed: Calm ...
Pressure: 1018.2hPa ...
Notes:

Late on into the afternoon I noticed that a circumzenithal arc and a pair of sundogs had formed.

Circumzenithal Arc and Sundogs

From: 2006-09-09 16:25 UT
To: 2006-09-09 16:50 UT

While sat in the garden and admiring some cirrus cloud that was going over I noticed that a circumzenithal arc and a pair of sundogs had formed. I grabbed my small digital camera and took some images.

The circumzenithal arc:

Circumzenithal Arc

The circumzenithal arc, close up, and heavily processed in an attempt to bring the colours out more:

Circumzenithal Arc

The sundog to the left of the Sun:

Sundog

The sundog to the right of the Sun:

Sundog

I watched the display for almost half an hour, it was constantly changing as the cloud moved on.


Page last modified: 2013-04-09 09:19:19 UT
Dave Pearson <davep@davep.org>
Valid XHTML 1.1 Valid CSS