The Bortle Dark-Sky Scale

Good write up here

About cPaul

"He never amounted to anything". - Father "Who the hell does he think he is"? - Mother "Smart as a bag of hammers". - Teacher "Condescending". Former Boss "Mom loves me more". - Brother
This entry was posted in Photography, Science. Bookmark the permalink.

Leave a Reply

Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.