 | STScI Digital Sky Survey (DSS) |
| NASA's SkyView (Advanced Form) |
| NASA's SkyView (Basic Form) |
| NASA's Extragalactic Database (NED) |
| ESO's Archive Digital Sky Survey Server |
| Lowell Observatory, Flagstaff, Arizona |
| Hubble Guide Star Catalog - Version 2.2 & 2.3 |
| U.S. Naval Observatory, Washington, D.C. |
| Hubble Space Telescope Public Pictures |
| Robert J. Burnham Jr. + Robert J. Burnham Memorial Project |
| Jet Propulsion Laboratory - News Flashes |
| Saguaro Astronomy Club |
| Catalog of Parameters for Milky Way Globulars |
| NASA's Project Galileo |
| Astronomical Society of South Australia |
| SEDS NGC Page |
| The Webb Society |
| East Valley Astronomy Club (EVAC) |
| The Astronomical League |
| The Astronomical Society of the Pacific |
| International Astronomical Union |
| Royal Astronomical Society |
| The Astronomer Magazine (Online) |
| Planetary Nebula Emission Line Catalog |
| References for Sequences around NGC Objects |
| References for Sequences around IC Objects |
| U.S.N.O. - Flagstaff -- B1.0, and A2.0 Cats |
| Asteroid Observing Services - Lowell Observatory |
| REFNET - Lowell Observatory |
| NASA's Mars Pathfinder Mission |
| STScI Library |
| Astronomy Picture of the Day |
| Historical Star Atlases |
| The Search for Extra-Terrestrial Intelligence |
| The Chiron Perihelion Campaign |
| The Astrophysical Journal |
| Astronomical Observatories |
| Harold G. Corwin, Jr's Professional Home Page |
| The APM Sky Catalogues |
| Canberra Astronomical Society |
| USNO Sun/Moon Rise/Set Calculator |
| NASA's Solar Data Analysis Center |
| The Amateur Sky Survey (TASS) |
| 2-Micron All Sky Survey |
| HST Comemorative Postage Stamp - VOTE! |
| BlackSkies Astronomy Site - Planetary Nebulae!! |
| Regulus - Astronomy Newsletter |
| Automated Plate Scanner Catalog of POSS I |
| The Kepler Project |
| Super Novae in NGC/IC Galaxies |
| Moon Calendar |
 | Stellar Clusters in the Galaxy and the Magellanic Clouds |
| IAU Headlines Page |
| IAU Circulars Page |
| Bert Dekker's Deep-Sky Site |
| The Hipparcos and Tycho Star Catalogues |
| Skiff's & Luginbuhl's Observations |
| Dublin Night Sky Observer |
| The Archives of Armagh Observatory, 1790-1916 |
| Irish Astronomical Journal |
| Journal of Astronomical History and Heritage |
| A History of Galaxy Catalogues |
| Arizona Observing Sites |
| Hawaiian Astronomical Society |
| What Time is it? |
| J.L.E. Dreyer |
| History of Photometry |
| History of Astrophotography |
| History of Astrometric Measurements in Astronomy |
| Sky Watcher's Diary |
| Stig's Sky Calendar |
| Deep Sky Discoverers |
| Planet Quest |
| Adventures in Deep Space |
| Sloan Digital Sky Survey |
| Working List of Naked-Eye Deep Sky Objects |
| British Astronomical Association |
| Irish Astronomical Society |
| The Constellations and their Stars |
| Your Sky |
| Distribution of Galaxies in the Local Group |
| Distribution of Milky Way Globular Clusters |
| Other astronomical WEB pages |
| Robert Ferguson Observatory |
| Astronomical Books Online |
| American Meteor Shower Web Site |
| The Summer Milky Way from South East Arizona |
| Susan Ring Honored - Minor Planet |
| Prescott, AZ Weather |
| Phoenix, AZ Weather |
| Tucson, AZ Weather |
| Northern Lights Information |
| Daily Astronomy/Space News |
| NASA's Learning Center for Young Astronomer's |
| The Teaching Observatory - Texas A&M University |
| NASA/AAVSO's HEA Workshop For Amateur Astronomers |
| Coconino Astronomical Society |
| Clear Sky Clocks - Arizona |
