Pentax 200mm F2.5 lens stopped down a half stop to F3

Halpha = 4hrs 15min (10 & 15min subs, no darks, no flats, no image smoothing)

See the colour version at http://www.pbase.com/strongmanmike2002/image/69479751/original

Pointing and scope control by FS2 and STAR Atlas:PRO

Mogg adapter Starlight-PentaxK

Click on "original" below for a bigger image