Re: Astronomy Day
Hello Fox,
those H-alpha filters showa grainy sun, don't they? I've seen it once, in France.
But they're very expensive!
Can wheather forecasts go so far in the future (5 days)?
Raoul
Space/Science » in reply to Astronomy Day
Hello Fox,
those H-alpha filters showa grainy sun, don't they? I've seen it once, in France.
But they're very expensive!
Can wheather forecasts go so far in the future (5 days)?
Raoul