observing aids

Links:
[1] http://www.aavso.org/category/tags/observing-aids?order=title&sort=asc
[2] http://www.aavso.org/category/tags/observing-aids?order=name&sort=asc
[3] http://www.aavso.org/category/tags/observing-aids?order=last_updated&sort=asc
[4] http://www.aavso.org/category/tags/observing-aids?order=type&sort=asc
[5] http://www.aavso.org/visual-observing-manual
[6] http://www.aavso.org/webobs
[7] http://www.aavso.org/bob-nelsons-o-c-files
[8] http://www.aavso.org/eb-section
[9] http://www.aavso.org/visually-observed-stars-known-be-constant-or-not-measurably-variable
[10] http://www.aavso.org/aavso-bulletin-75-2012
[11] http://www.aavso.org/new-chinese-visual-observing-manual
[12] http://www.aavso.org/visual-observing-manual-chinese
[13] http://www.aavso.org/2013-jd-calendar
[14] http://www.aavso.org/jd-calculator
[15] http://www.aavso.org/useful-links-new-solar-observers
[16] http://www.aavso.org/online-resources
[17] http://www.aavso.org/how-report-new-variable-star-discoveries
[18] http://www.aavso.org/mentor-program
[19] http://www.aavso.org/sid-monitoring-group-faq
[20] http://www.aavso.org/bob-nelsons-o-c-files-ebs-2012-edition
[21] http://www.aavso.org/aavso-bulletin-0
[22] http://www.aavso.org/aavso-bulletin-74-2011
[23] http://www.aavso.org/aavso-bulletin-generator
[24] http://www.aavso.org/persian-manual%20
[25] http://www.aavso.org/visual-observing-manual-persian
[26] http://www.aavso.org/charts-and-sequences-update-january-2012
[27] http://www.aavso.org/visual-observing-manual-hungarian
[28] http://www.aavso.org/2012-jd-calendar
[29] http://www.aavso.org/obtaining-your-pep-epsilonv-coefficient
[30] http://www.aavso.org/charts-and-sequences-update-september-2011
[31] http://www.aavso.org/visual-observing-manual-spanish
[32] http://www.aavso.org/visual-observing-manual-portuguese
[33] http://www.aavso.org/zurich-classification-system-sunspot-groups
[34] http://www.aavso.org/ccd-views-june-2001
[35] http://www.aavso.org/2011-jd-calendar
[36] http://www.aavso.org/about-jd
[37] http://www.aavso.org/computing-jd
[38] http://www.aavso.org/visual-observing-manual-polish
[39] http://www.aavso.org/visual-observing-manual-japanese
[40] http://www.aavso.org/accuracy-and-consistency-production-american-sunspot-number-ra
[41] http://www.aavso.org/vlf-station-list
[42] http://www.aavso.org/guidelines-new-solar-observers
[43] http://www.aavso.org/atmospheric-seeing-conditions-solar-observing
[44] http://www.aavso.org/photoelectric-photometry-pep-observing-program-aavso-introduction
[45] http://www.aavso.org/category/tags/observing-aids?page=1