Do the solar cells change angle during the day?
When I map, things that are long, tall, and moving are the hardest to get a good photo frame on. Trains, tall buildings, cliffs, and long storage units. It's easy to notice the change of perspective. I bet the sun glare on the solar cells is a challenge too based on where the drone is in relation to the sun angle.
We use mostly plane photos for maps.
Yep, the cells change angle during the day giving me only a one hour window each day when they are horizontal.
A plane would have been much more fun!