" but once power is upped to 261x some of the brighter stars are resolved.
I too have seen it with a 20" at 300+x and it was resolved into a half dozen stars.
" but once power is upped to 261x some of the brighter stars are resolved.
I too have seen it with a 20" at 300+x and it was resolved into a half dozen stars.
15" f4.5 Obsession Classic
4" f8.6 Televue 102