Igor Gros wrote:

Nice movie.
But how could ISS be recorded
on the very bright and shiny
surface of the sun ?

A solar filter is usually (properly) made by coating a clear plastic
film with a very thin layer of aluminum using a process called vapor
depositing. The aluminized film is mounted in a frame which is placed
over the open end of a telescope or camera lense. This kind of filter
blocks out more than 99% of the suns light and is really the only safe
method of looking at the sun directly through a telescope, binoculars or
SLR type camera. You can also view the sun indirectly by projecting the
image through the eyepiece of a telescope (w/o a filter) on to a small
white screen placed near the eyepiece.


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