On Mon, 27 Aug 2012 18:09:08 +0100, "Lord Androcles, Zeroth Earl of
Medway" wrote:
"Anthony Ayiomamitis" wrote in message
...

It fluctuates by almost a full magnitude every 13.60 hours.
However, being a
summertime object, it is impossible to pursue a light curve during
one
session.

Here in the far north, where Lyra is a circumpolar constellation, you
could do it.

Great work!!