A recent mystery is the
increasingly regular appearance of the once-rare noctilucent
These amazing phenomena can best be looked for in the early Summer months
of May and June, although more and more displays are occurring right through
until the Autumn. There are many theories about their cause, ranging from
spaceflight to air travel to the solar wind, but no-one has established
a definitive proof.
In early July 2008, Linda and I were taking photographs towards the North
and Northwest: me to the rear of our bungalow, Linda to the front, in
the hope of capturing some images of these fascinating, yet elusive nebulae.
When we returned to our office to download our images, we were astonished
to see we had independently photographed curious glowing spherical objects: