White balance tip
The Automatic White Balance on any camera will be fooled by scenes which have a predominant color. For example, a scene which includes a lot of greenery will cause the color balance to shift towards magenta. This dulls the greens and makes other neutral colors look too magenta. For many years, photographers have used a grey card to set white balance (and exposure.) You can do the same for your H.
Carry a grey poster board to launch from. Before launch, tilt the camera down so that it is only seeing the grey. If the sun is out, make sure the camera is seeing an area that the sun is shining on. Lock your white balance, rotate the camera back up and fly.
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