What do you make of this interesting article?
http://www.sciencealert.com/visible-...the-first-time
What do you make of this interesting article?
http://www.sciencealert.com/visible-...the-first-time
Clear Dark Skies,
Dragan Nikin
25" f/5 Obsession #610 "Toto"
30" f/4.5 OMI EVO #1 "Tycho"
www.darkskiesapparel.com