I LOVE finding out about different ways to appreciate the Sun and light in general. Use this forum to post your info or questions about various outside the mainstream ways to appreciate our life giving star!
thx guys
yes filaments are hard with filters cause bandpass is to wide
you can stack cak filters which helps to pick up proms
but only the darkest filaments show up
http://brierleyhillsolar.blogspot.co.uk/ Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!