| Year | Amherst Solar |
Observ- atory |
Out- reach |
Mt. Pollux |
Planet- arium |
A-Z Solar |
Astro Class |
Skin- ner |
Grey- lock |
Public Total |
Web New |
Web Old |
Web AA |
Web Total |
| 1984 | x | 150 | 10 | 150 | 150 | x | x | x | x | 460 | x | x | x | x |
| 1985 | x | 300 | 25 | 300 | 150 | x | x | x | x | 775 | x | x | x | x |
| 1986 | x | 450 | 50 | 105 | 200 | x | x | x | x | 805 | x | x | x | x |
| 1987 | x | 600 | 75 | 125 | 300 | x | x | x | x | 1,100 | x | x | x | x |
| 1988 | x | 800 | 75 | 150 | 400 | x | x | x | x | 1,425 | x | x | x | x |
| 1989 | x | 1,000 | 75 | 200 | 500 | x | x | x | x | 1,775 | x | x | x | x |
| 3,300 | 310 | 1,030 | 1,700 | 6,340 | ||||||||||
| 1990 | x | 1,250 | 100 | 400 | 800 | x | x | x | x | 2,550 | x | x | x | x |
| 1991 | 1,250 | 1,750 | 100 | 750 | 1,200 | x | x | x | x | 5,050 | x | x | x | x |
| 1992 | 1,750 | 2,000 | 100 | 750 | 1,350 | x | x | x | x | 5,950 | x | x | x | x |
| 1993 | 1,970 | 2,120 | 500 | 490 | 1,350 | x | 475 | x | x | 6,905 | x | x | x | x |
| 1994 | 1,775 | 2,530 | 750 | 400 | 1,635 | x | 350 | x | x | 7,440 | x | x | x | x |
| 1995 | 2,105 | 2,030 | 1,000 | 415 | 1,400 | x | 330 | x | x | 7,280 | x | x | x | x |
| 1996 | 2,760 | 2,000 | 1,250 | 1,240 | 1,415 | x | 250 | x | x | 8,915 | x | x | x | x |
| 1997 | 2,910 | 2,370 | 1,500 | 1,370 | 1,555 | x | 360 | x | x | 10,065 | x | x | x | x |
| 1998 | 4,000 | 3,600 | 1,800 | 1,300 | 1,500 | x | 400 | x | x | 12,600 | x | 4,100 | x | 4,100 |
| 1999 | 4,040 | 2,565 | 2,450 | 1,280 | 1,155 | 2,025 | 240 | x | x | 13,755 | x | 12,500 | x | 12,500 |
| 22,560 | 22,215 | 9,550 | 8,395 | 13,360 | 2,025 | 2,405 | 80,510 | 16,600 | 16,600 | |||||
| 2000 | 3,350 | 1,140 | 1,675 | 1,010 | 740 | 1,790 | 440 | x | x | 10,145 | x | 18,000 | NA | 18,000 |
| 2001 | 3,240 | 1,700 | 2,670 | 965 | 775 | 1,040 | 375 | x | x | 10,765 | x | 21,850 | NA | 21,850 |
| 2002 | 3,080 | 1,270 | 2,000 | 1,050 | 720 | 1,410 | 300 | x | x | 9,830 | x | 35,500 | NA | 35,500 |
| 2003 | 1,975 | 2,155 | 2,780 | 1,000 | 375 | 1,295 | 250 | x | x | 9,830 | x | 37,500 | NA | 37,500 |
| 2004 | 2,060 | 890 | 825 | 1,170 | 290 | 900 | 330 | x | x | 6,465 | x | 41,000 | NA | 41,000 |
| 2005 | 2,250 | 1,175 | 2,000 | 835 | 180 | 830 | 315 | x | NA | 7.585 | x | 37,500 | NA | 37,500 |
| 2006 | 2,230 | 1,185 | 760 | 1,145 | 330 | 545 | 225 | NA | NA | 6,420 | 10,200 | 27,550 | NA | 37,750 |
| 2007 | 1,650 | 885 | 550 | 770 | 75 | 680 | 205 | NA | NA | 4,815 | 19,450 | 4,550 | NA | 24,000 |
| 2008 | 1,600 | 1,005 | 1,240 | 1,010 | 225 | 750 | 160 | NA | NA | 5,990 | 23,450 | 4,800 | NA | 28,250 |
| 2009 | 1,680 | 620 | 730 | 760 | 245 | 680 | 170 | 50 | 30 | 4,965 | 45,900 | 4,350 | NA | 50,250 |
| 23,135 | 12,025 | 15,250 | 9,715 | 3,955 | 9,920 | 2,770 | 50 | 30 | 76,830 | 101,650 | 232,600 | (6,550) | 234,250 | |
| 2010 | ||||||||||||||
| Total | 45,695 | 37,540 | 25,110 | 19,140 | 19,810 | 11,945 | 5,175 | 50 | 30 | 164,680 | 101,650 | 242,600 | 6,550 | 350,800 |