Dear dialists
Sharpen your shadow-sharpeners and try to see
with them the huge sunspot that there is these
days. If you have a telescope the view is superb...
but PLEASE do not use an old radiography or film
or things like these!
Regards,
Anselmo
-
or look at:
http://umbra.nascom.nasa.gov/images/
no filter necessary.
Thibaud Chabot
At 12:22 15-09-2005, anselmo wrote:
Dear dialists
Sharpen your shadow-sharpeners and try to see
with them the huge sunspot that there is these
days. If you have a telescope the view is superb...
but PLEASE do
