When NASA watches the sun...
Posted 23 January 2013 - 08:19 PM
Some interesting wavelengths they can see, makes H alpha almost boring.
Posted 24 January 2013 - 01:51 AM
Posted 24 January 2013 - 06:42 AM
The data online goes back around 6 months in various formats from 512x512 to 4096x4096 jpgs to 48hr movies , one of the best resources out there.
Posted 29 January 2013 - 12:39 AM