The UK actually has very little public land. Thats the problem.
Crown estate/foreshore but not much else.
If you're going use the "airspace" argument, you need to make sure youre on public land first.
Unlikely. Usually take the police 3-4 weeks to follow up on drone reports like that as its low priority. And generally a Sunday. Ususally though they wont bother. If the person has gone theres no offence anyway.
Ultimately if its private...
If the car park is owned by them then yes they can tell you to leave. Its their land. They dont need signs to specify every allowance or ban.
Perfectly entitled to do whatever they want on it. They cant stop overflight but can tell you to not...
Were you on their property? In which case they're perfectly entitled to tell you to leave.
There can be privacy issues (as the drone code and CAP mention). I can see why me in a meditation place maybe a bit worried about it.
In those...
Checking through this, do you need full auto exposure (iso and SS) or can you just have auto ISO with a fixed shutter speed here?
The latter is useful for ensuring 180 rule (and the DJI love of setting a shutter too slow for a crisp image at...