Oh umm, I didn’t know it was broken. I will look into it and amend the link. Thanks for the heads up.
Here’s another file with a black and white version of the corona for a fake eclipse effect or a mask.
https://drive.google.com/open?id=0B2f9Rho0-bZfNHZEN1dsX2R2WW8
P.S. I have fixed the other link now.