I went out with my new (old) laptop the other day and got a few exposures before it locked up. After about the fourth time it was so hot I didn't dare go any further. It was well over 90°F at that point.
I have some more gadgets on the way so I may have more to tell before long. We'll see.
In the meantime I've false-colored some spots:
Uneven illumination is the problem here. It's had to get right on the sweet spot:
Hot and hazy tomorrow. We'll see—or not, as the case may be.