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Could have keyed your external camera flash to a relay driver for the lights. Blinking them on for 1 second every 5 minutes shouldn't get gross moth dust on everything.

Also different insects are blind to various areas of the spectrum LED lights cover. So you just get different creatures showing up.

An incandescent filament bulb will probably give you warmer color in the deeper reds. Too high of a color temperature at night makes things look odd, and you may not immediately notice the HDR capture is skewed.

https://www.amazon.com/dp/B000I17G4O

The neutral "Bright White" Philips A19 Ultra Definition Frosted Dimmable LED Bulbs are about as good as you can get with cheap retail consumer E26 bulbs. Still, the weaker reds may to be an issue depending on what you are capturing, and one may have to drop to a lower color-temperature indoor version like "Soft White". =3

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I've experimented with this, but for single images exposing a person at shutter open, and then letting the person leave frame while continuing to expose the sky.

Having a strobe every exposure during a timelapse is annoying though. You'd get run out on a rail at a star party with nonsense like that. Sometimes, it really helps to think about others when doing your own thing and not being an asshat just because you want to do something

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Could also try filtered low-pressure sodium lamps, as notch filtering out the light pollution is pretty trivial.

Maybe converting the yellow area of the image into grey scale would give you the highlights, and the color loss could look intentional in moonlight.

There are plenty of intervalometer options around, and even a few Arduino projects for the creative.

Best of luck, =3

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