Where I live all street lights used to be low pressure sodium (very monochromatic yellow!) Due to a nearby observatory. Now to hell with everything! It’s LED lights everywhere. They’re strong and not diffused so all the light comes from a small area meaning instant after image… (Sigh)
Even worse, people now put LED lights on their outdoor house fixtures and all kinds of office buildings pointing UP. Goodbye night sky…
Where I live all street lights used to be low pressure sodium (very monochromatic yellow!) Due to a nearby observatory. Now to hell with everything! It’s LED lights everywhere. They’re strong and not diffused so all the light comes from a small area meaning instant after image… (Sigh)
Even worse, people now put LED lights on their outdoor house fixtures and all kinds of office buildings pointing UP. Goodbye night sky…