I'll add to @Dave Pitman 's great advice in that this would be one of those times appropriate for image editing. I use ACDSee to batch correct image exposure while maintaining the geotags containing the RTK geotags and accuracy properties. I have...
The "cloudy" option just affects white balance. For low light, you need a slow shutter speed, and correspondingly, a slow flight speed in order to not have image blur.
Ardupilot is open source and there are a lot of commercially available flight controllers that are compatible with it.
Hope you have a recovery chute on the thing- fly safe!
Greetings i would like to introduce myself ,my name is JONAS MUMBA from ZAMBIA ,have been working with Agriculture drones for little over 4years now ,worked with XAG v40,P100 drone at SUNAGRI ZAMBIA LIMITED,as well as ETG INPUTS ZAMBIA, with DJI...