You know? A long time ago I bicycled far through the forest with a self-built trailer for transporting my 'lil' Newton' in the late evening, especially during winter. Breathing in trough the nose, and exhaling through a few meters of garden hose to avoid condensation. Somewhere near there:

https://en.wikipedia.org/wiki/TIRA

Though that was about 1980, not as light-polluted as it is now. I don't do things like that anymore, but I'm still thinking I'm not talking non-sense when it comes to that stuff (magnitudes, etc.)

Maybe I have owl eyes ;-)