View single post by Robert
 Posted: Fri Aug 20th, 2021 06:19

Joined: Mon Apr 2nd, 2012
Location: South Lakeland, UK
Posts: 4055
Thanks for the info, it might be worth trying multiple shorter exposures, say 30 seconds? Then multiplying the exposure in photoshop or other processor to amplify the light, or even duplicate a single imageā€¦

Technique used in astro photography for faint objects.

Have you tried UV light? A 365nm torch is cheap enough but wear protective glasses please.