Brian W
30-06-2011, 08:25 PM
This might be the wrong forum but here goes anyway.
Have any of you long term observers who keep records recorded a noticeable change in sky conditions over the last 5 / 10 /15 years ?
Brian
Have any of you long term observers who keep records recorded a noticeable change in sky conditions over the last 5 / 10 /15 years ?
Brian