Amateur astronomy equipment, techniques, info, etc.
Readers: 11000 (0.2%) {49%} Mesgs per month/day: 1869/62 {81%}
Crossposting: 4% {21%} Megs per month/day: 3.4/0.113 {83%}
Sites reciving this Group: 55% Cost ratio ($US/month/rdr): 0.15