There are many existing threads about moth lighting that you could check for ideas and setups. Examples:
https://forum.inaturalist.org/t/mercury-vapor-light-for-mothing/26716
https://forum.inaturalist.org/t/attracting-moths-with-light-source-abroad/33306
https://forum.inaturalist.org/t/light-setups-for-mothing/48231
https://forum.inaturalist.org/t/light-traps-for-moths-with-limited-power-sources/12028
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