I have heard and seen conflicting reports. Here is another: http://news.cnet.com/8301-1035_3-10323008-94.html
My guess is Mt. Wilson will be spared. It has been threatened in fires before and didn’t go up.
Monday, 1 Sep 09, 1:25 pm PDT - Go to www.ktla.com for live feed (click at the top of their homepage) from the mountain showing fire between the 60-inch and 100-inch telescopes along the south vacuum tube lines of the CHARA Array. White knuckle time, but if these are indeed backfires as we believe, then we are in good shape.
I'm sure this link has already been posted, but here it is again if anybody wants it: