Useful Websites
McDonald Observatory Visitors Information Center - http://mcdonaldobservatory.org/visitors
General Astronomy Information
NASA Astronomy Picture of the Day-http://antwrp.gsfc.nasa.gov/apod/astropix.html
NASA- Excellent general astronomy & news site-http://science.nasa.gov/
Royal Greenwich Observatory-http://www.rog.nmm.ac.uk/
Students for the Exploration and Development of Space-http://www.seds.org/
Astronomy for Beginners- http://www.astronomyforbeginners.com
Meteor Related Pages
NAMN-North American Meteor Network http://www.namnmeteors.org/
Meteor (Barringer) Crater, AZ-http://www.barringercrater.com/
Eclipse Information
Goddard Space Flight Center/NASA-http://sunearth.gsfc.nasa.gov/eclipse/eclipse.html
Telescopes/Accessories Online
Orion-http://www.telescope.com/
Meade Instruments-http://www.meade.com/
Celestron International-http://www.celestron.com/products.htm
Discovery Telescopes-http://www.discoverytelescope.com
Oceanside Photo& Telescope-http://www.optcorp.com
Educational
StarDate Online - http://stardate.org
Philip Plait's Bad Astronomy Blog- https://www.syfy.com/tags/bad-astronomy
James Randi Educational Foundation - http://www.randi.org
Skeptics' Guide to the Universe-http://www.theskepticsguide.org/
NASA Main Site (see also "NASA Websites" section below) -http://www.nasa.gov
PBS "Nova" Series (Space Related)-http://www.pbs.org/wgbh/nova/archive/int_spac.html
Light Pollution
International Dark-Sky Association - http://www.darksky.org/
Software
Freeware and Shareware download site - http://downloads.zdnet.com/
Freeware and Shareware download site - http://www.shareware.com/
Starry Night Software - http://www.starrynight.com/
The Sky/Software Bisque - http://www.bisque.com/
VoyagerII/Carina Software - http://www.carinasoft.com/
Astrophotography
Tony & Daphne Hallas page-http://www.astrophoto.com/
Matt BenDaniel's Starmatt Astrophotography Site - http://starmatt.com
Space Telescopes
Hubble Space Telescope-http://hubblesite.org
Spitzer Space Telescope (infrared)-http://www.spitzer.caltech.edu/spitzer/index.shtml
Chandra X-Ray Observatory (X-Ray)-http://chandra.harvard.edu/
GALEX: Galaxy Evolution Explorer Telescope-http://www.galex.caltech.edu/
James Webb Space Telescope-http://www.jwst.nasa.gov/
Swift Gamma Ray Burst Explorer-http://www.swift.psu.edu/
NASA Spaceflight
NASA Home page-http://www.nasa.gov
Venus Express (European Space Agency's Mission to Venus):
http://sci.esa.int/science-e/www/area/index.cfm?fareaid=64
Messenger (Mission to Mercury):
http://www.nasa.gov/mission_pages/messenger/main/index.html
Mars Phoenix Mission-http://phoenix.lpl.arizona.edu/
Mars Exploration Rover Mission (Spirit/Opportunity)-http://marsrovers.jpl.nasa.gov/home/index.html
Mars Reconnaissance Orbiter-http://mars.jpl.nasa.gov/mro/
Mars Global Surveyor-http://mpfwww.jpl.nasa.gov/mgs/
Cassini/Saturn- http://saturn.jpl.nasa.gov/home/index.cfm
New Horizons (Mission to Pluto):
http://www.nasa.gov/mission_pages/newhorizons/main/index.html
Space Shuttle related-http://spaceflight.nasa.gov/
Shuttle landing Groundtracks-http://spaceflight.nasa.gov/realdata/groundtracs/index.html
Marshall Space Flight Center-http://www.nasa.gov/centers/marshall/home/index.html
Space Mission Acronym List - http://ranier.oact.hq.nasa.gov/Sensors_page/MissionLinks.html
Universal Time Signals
USNO Clock-http://tycho.usno.navy.mil/what.html
Observatories
McDonald Observatory-http://mcdonaldobservatory.org
Giant Magellan Telescope-http://www.gmto.org/
South African Astronomical Observatory-http://www.saao.ac.za/
Mt.Wilson Observatory-http://www.mtwilson.edu/
Palomar Observatory-http://www.astro.caltech.edu/palomar/homepage.html
Mauna Kea Observatory-http://www.ifa.hawaii.edu/mko/
La Silla Observatory (Chile)-http://www.ls.eso.org/index.html
Cerro Tololo Inter-American Observatory (Chile)-http://www.ctio.noao.edu/
Special Astrophysical Observatory (Russia)-http://www.sao.ru/Doc-en/index.html
Anglo-Australian Observatory-http://www.aao.gov.au/l
National Optical Astronomy Observatories-http://www.noao.edu/
National Radio Astronomy Observatories-http://www.nrao.edu/
MMT Observatory-http://www.mmto.org/
Lick Observatory-http://www.ucolick.org/
Apache Point Observatory-http://www.apo.nmsu.edu/
Mt. Graham International Observatory-http://mgpc3.as.arizona.edu/
Lowell Observatory-http://www.lowell.edu/
Yerkes Observatory-http://astro.uchicago.edu/yerkes/
S.C.O.P.E Consortium-http://www.as.utexas.edu/mcdonald/scope/
Planetaria
SW Association of Planetariums-http://www.swapskies.org/
Texas Planetaria (list on go-astronomy.com):
http://www.go-astronomy.com/planetariums-state.php?State=TX
Solar Related
Solar activity and its effects on Earth-http://www.spaceweather.com/
Solar and Heliospheric Observatory (SOHO)-http://sohowww.nascom.nasa.gov/
Solar Dynamics Observatory (SDO)-http://sdo.gsfc.nasa.gov/
TRACE (Transition Region and Coronal Explorer):
http://trace.lmsal.com/POD/TRACEpod.html
Hinode (Solar-B)-http://solarb.msfc.nasa.gov/
STEREO (Solar Terrestrial Relations Observatory):
http://stereo.gsfc.nasa.gov/
Solar Physics-Why We Study the Sun (NASA)-http://solarscience.msfc.nasa.gov/
Big Bear Solar Observatory-http://www.bbso.njit.edu/
Primer on Space Weather (NOAA)-http://www.sel.noaa.gov/primer/primer.html
High Altitude Observatory (HAO) Education Pages-http://www.hao.ucar.edu/
Lunar & Planetary Related
Earth & Moon Viewer- http://www.fourmilab.ch/earthview/vplanet.html
Lunar & Planetary Institute-http://www.lpi.usra.edu
Nifty Lunar info-http://nineplanets.org
StarDate Solar System Guide-http://stardate.org/resources/ssguide/
Welcome to the Planets/JPL/NASA-http://pds.jpl.nasa.gov/planets/
Publications for Amateur Astronomers
StarDate - http://www.stardate.org/
Sky & Telescope-http://skyandtelescope.com/
Astronomy Mag-http://www.astronomy.com
Satellite tracking
Satellite Visibility Page- http://www.heavens-above.com/
(you'll need your precise lat/lon for accurate predictions ... see Tiger Mapping Services below)
Weather Information
Real-Time Weather Data- http://www.rap.ucar.edu/weather/satellite/
Weather Underground-http://www.wunderground.com
Intellicast-http://www.intellicast.com
The Weather Channel- http://www.weather.com/
UM WX Radsat- http://cirrus.sprl.umich.edu/wxnet/radsat.php
U of WI Cloud cover 4cast- http://www.ssec.wisc.edu/data/index.html#cras
CRWS jetstream 4cast- http://squall.sfsu.edu/crws/jetstream.html
CNN- http://www.cnn.com/WEATHER/images.html
Astronomical Resorts
Stargazers Inn - http://www.stargazersinn.com/
New Mexico Skies-http://www.newmexicoskies.com
Star Hill Inn-http://www.starhillinn.com/StarHillInn.html
Elderhostel Programs
Elderhostel, Inc. - http://www.elderhostel.org/