What equipment did you use to take that and what processing with what shot settings? If you don't mine me asking It helps others (and me) do solar imaging. I don't know if this helps you but I just ordered some of these to make a heat shield for solar observing/imaging. http://www.amazon.co.uk/evaQ8-Foil-Survival-Blanket-Silver/dp/B001S2FX4W/ref=sr_1_2?ie=UTF8&qid=1317482721&sr=8-2 Also check getting a laptop stand with fan under it (USB powered) so you can cool under it, but ambient hot air may still be an issue, in which case i suggest a USB powered mini fridge, also can store a beer or two in it