What are the mysterious light sources on light pollution maps?

Re:What are the mysterious light sources on light pollution ... by macqm on Wednesday March 04, 2020 @01:59AM (#22481748)

I can't figure out one light pollution source in Poland in Sluchowo (54.77550N, 17.94972E). The map from 2015 shows some factory of sorts, but it disappears on the map from 2020, all you can see is an outline what it was. I really wonder what kind of place this was and why it emitted relatively a lot of light.

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Re:What are the mysterious light sources on light pollution ... by f1refly on Wednesday March 04, 2020 @02:20AM (#22481818)

Most likely some kind of military operation. It could be a storage site, guarded 24/7 where light is important so the guards can see everything clearly.

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Re:What are the mysterious light sources on light pollution ... by pbhjpbhj on Wednesday March 04, 2020 @04:23AM (#22482295)

Is this just tradition? Surely a computer system can see/hear, maybe using night-vision (lidar? radar?), way better than guards can. Then lights can activate and guards can shoot at anyone unwanted who crossed the perimeter .. surely enough incentive?

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Re:What are the mysterious light sources on light pollution ... by zoonosis on Wednesday March 04, 2020 @01:42PM (#22486495)

I think that being well lit will help to deter intruders.

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Re:What are the mysterious light sources on light pollution ... by pbhjpbhj on Wednesday March 04, 2020 @02:06PM (#22486795)

How? Won't getting shot my soldiers be a deterrent?

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Re:What are the mysterious light sources on light pollution ... by zoonosis on Friday March 06, 2020 @01:39PM (#22506059)

How will they know if there are soldiers if they aren't lit?

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Re:What are the mysterious light sources on light pollution ... by aasasd on Wednesday March 04, 2020 @02:08AM (#22481782)

OpenStreetMap doesn't have anything there, but Wikimapia has a ‘Shale Gas Drilling Rig’ nearby (‘Wiertnia Gazu Łupkowego’).

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Re:What are the mysterious light sources on light pollution ... by macqm on Wednesday March 04, 2020 @02:42AM (#22481890)

Bingo you got it. https://infolupki.pgi.gov.pl/en/whats-drilled/news/3legs-res...

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