MT wrote:
"Anthony Ayiomamitis" wrote in message
...

Pete Lawrence wrote:

Active Region 904 is now roughly on the centre line of the Sun.
Amazing how much influence it has over the surrounding region,
especially considering it's not really that large a spot group.

http://www.digitalsky.org.uk/solar/2...0-04-sharp.jpg


Pete,

This is a wonderful photo and it is scarry how far the "little PST" has
matured!

Anthony.


Scarry? Why?


(1) 40 mm filter ... (2) $500 or less for 0.5-0.7 Angstrom bandpass ...
the PST is the most basic of Coronado's offerings and this result is
outstanding for the "bottom of the h-alpha product line".

Anthony.