From a post of mine on 23-05-2008;
http://www.iceinspace.com.au/forum/s...ad.php?t=32167
"Two of the smaller members
Hi All,
Taken early last night.
Animation 4x10min +dark 12"
Upper right 1998 FO72 Mag 18.5
Lower middle 1994 PS10 Mag 20
*The Gif compression degraded the quality.* "
The images are
600 sec, and the asteroid in lower centre was mag 20.
Taken using a ST7e on a 12" GSO Newt on a Losmandy G11.
1 hour would be interesting
.