18 Aug 2008 - 09:12:12 pm
PARTIAL MOON ECLIPSE (August 16th 2008)
The pictures have been taken by a Canon EOS 300D digital camera on a tripod, with a remote control and a
telephoto lens (focal length = 300 or 900).
Aperture = 5,6 ; ISO = 400.
The Moon entered the Earth shadow at 19 h 36 UT and was out of the shadow at 22 h 44 UT.
The maximum occurred at 21 h 10 UT.
(for legal time, add 2 h in France and Sweden, 1 h in United Kingdom).
I observed the phenomenon on a plateau, 30 km Eastward from Brive,
with the chairman of "Association Astronomique du Limousin".
Clouds did not allow us to see the eclipse before 21 h 15 UT.
After that, it was rather beautiful.

20 h 59 UT (exposure = 0,5 s ; focal length = 300).
11 min before the maximum.
There are some clouds in the sky around the Moon.
You can see a red colour on the non-enlightened part of the Moon
(the red part of the sunlight is deflected by the Earth atmosphere and the blue part is absorbed).
From the non-enlightened part of the Moon, you could see a total Sun eclipse,
with the Earth in front of the Sun.

21 h 09 UT (exposure = 0,4 s ; focal length = 900).
1 min before the maximum.
This picture can be used in order to estimate the true diameter of the Moon.

22 h 27 UT (exposure = 1/320 s ; focal length = 900).
17 min before the Moon is out of the shadow.
With this short exposure, we can see details on the enlightened part
but not on the non-enlightened one.

22 h 50 UT (exposure = 1/500 s ; focal length = 900).
The Moon is entirely out of the shadow.
But you can see a progressive half-light on the right-bottom part of the Moon.
From this area on the Moon, you could see a partial Sun eclipse.
The Moon was entirely out of the half light after 23 h 52 UT.
NB : these pictures are reduced for the blog.
If you wish the original pictures, you can ask me (360 kB to 550 kB for each picture).
Michel Wavresky (Uzerche).
michel.wavresky@wanadoo.fr
telephoto lens (focal length = 300 or 900).
Aperture = 5,6 ; ISO = 400.
The Moon entered the Earth shadow at 19 h 36 UT and was out of the shadow at 22 h 44 UT.
The maximum occurred at 21 h 10 UT.
(for legal time, add 2 h in France and Sweden, 1 h in United Kingdom).
I observed the phenomenon on a plateau, 30 km Eastward from Brive,
with the chairman of "Association Astronomique du Limousin".
Clouds did not allow us to see the eclipse before 21 h 15 UT.
After that, it was rather beautiful.

20 h 59 UT (exposure = 0,5 s ; focal length = 300).
11 min before the maximum.
There are some clouds in the sky around the Moon.
You can see a red colour on the non-enlightened part of the Moon
(the red part of the sunlight is deflected by the Earth atmosphere and the blue part is absorbed).
From the non-enlightened part of the Moon, you could see a total Sun eclipse,
with the Earth in front of the Sun.

21 h 09 UT (exposure = 0,4 s ; focal length = 900).
1 min before the maximum.
This picture can be used in order to estimate the true diameter of the Moon.

22 h 27 UT (exposure = 1/320 s ; focal length = 900).
17 min before the Moon is out of the shadow.
With this short exposure, we can see details on the enlightened part
but not on the non-enlightened one.

22 h 50 UT (exposure = 1/500 s ; focal length = 900).
The Moon is entirely out of the shadow.
But you can see a progressive half-light on the right-bottom part of the Moon.
From this area on the Moon, you could see a partial Sun eclipse.
The Moon was entirely out of the half light after 23 h 52 UT.
NB : these pictures are reduced for the blog.
If you wish the original pictures, you can ask me (360 kB to 550 kB for each picture).
Michel Wavresky (Uzerche).
michel.wavresky@wanadoo.fr
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