Here are a few of my favorite astronomy and photography links

Astronomy Equipment
• Alpine Astronomical, offers many fine products including Baader filters, accessories, and eyepieces
• Astronomy Mall where you can find a list of dealers of astronomy equipment as well as free astronomy classifieds.
• AstroMart.
• Astronomics, where you can buy astronomy equipment and post free astronomy classifieds.
• TMB Optical, offers many fine products including superb apo refractors, planetary eyepieces, and accessories.
• Universal Astronomics, offers many fine products including superb alt-az mounts.
• Kendrick Astro Instruments, offers many fine products including Dew Removers, battery packs, and Coronado H-Alpha filters.
• Obsession Telescopes, maker of superb large aperture Dobsonian mounted reflectors.
• Starmaster Portable Telescopes, maker of superb large aperture Dobsonian mounted reflectors.
• Orion Telescopes and Binoculars, offers many fine products including eyepieces, accessories, binoculars, and telescopes.
• TeleVue Optics, who offer a number of very fine products including Ethos, Panoptic, Nagler, Plossl, and Radian eyepieces.
• University Optics, who offer a variety of fine products including Orthoscopic and Konig eyepieces, binoculars, books, and other accessories.
• High Point Scientific, who offer a variety of fine products including TV eyepieces, Lumicon filters, binoculars, books, and other accessories.
• Willmann-Bell, who offer a variety of fine books on astronomy.

Astronomical Equipment Reviews
• Cloudy Nights
• ScopeReviews
• Scope Views

Astronomy Magazines
• Amateur Astronomy Magazine
• Astronomy Magazine
• Sky and Telescope Magazine

E-Mail Lists
• StarryNights - an e-mail list on observing.
• Astrosketch - an e-mail list for astronomical sketching, both shallow and deep-sky.
• The Internet Amateur Astronomers Catalog.
• Shallow Sky, an e-mail list on observing the planets, moon, sun, and comets.
• SkyMap - an e-mail list for discussing SkyMap software.
• Talking Telescopes - an e-mail list for discussing telescopes.
• TeleVue - an e-mail list for discussing TeleVue equipment.
• TMB Optical - an e-mail list for discussing TMB Optical equipment.
• Google Astronomy Groups such as sci.astro.amateur

Links to Other Websites with Astronomy Sketches
• The Royal Astronomical Society of Canada Astrosketchers Group
• Carol Lakomiak's Astrosketching Tutorials - Solar and DSO Sketching
• Carol Lakomiak's Astrosketching Tutorials - the Moon
• Chuck Hastorf's Sketches
• PCW Memorial Observatory – Erika Rix
• Martin McKenna's Comet Sketches
• Étienne Léopold Trouvelot Sketches
• Scott D. Davis Sketches of Deep Space Objects
• John Blackwell Sketches
• Larry's Deep-Sky Sketches
• Bognár Tamás Sketches
• Hungarian Drawing Universe
• Hungarian Digital Astronomy Sketches
• Sketching Deep-Sky Objects by Kiminori Ikebe
• Akkanna Peck's Astronomy Sketches
• Ian's Astro Page
• Sketcher's Astronomical Sketches by William H. Greer
• Drawings of Deepsky Objects With Large Telescopes

Astronomy and Weather Related Websites
• Spaceweather.com
• Spaceweather.com's Simple Satellite Tracker: International Space Station, Spy Satellites, Hubble Space Telescope.
• Seeing Forecast
• Astronomy Picture of the Day
• Water Vapor over the United States
• Water Vapor loop over the United States
• Attilla Danko Clear Sky Clocks
• Air Turbulence Potential

Comet Websites
• Tsutomu Seki's web page, translated by Eiji Kato
• Martin McKenna's Comet Page
• Gary Kronk's Comets & Meteor Showers page

Organizations
• BAA, The British Astronomical Association.
• ALPO, The Association of Lunar and Planetary Observers.

Astronomy Software
• Sky Map Pro
• Lunar Map Pro

Other Astronomy Websites
• A Kid's Guide to Astronomy
• Astronomical Cameras: A Guide to Astrophotography
• Stefan Seip's Astrophotography Page
• Personal Pages of Astronomers by Richard S. Bell
• Richard S. Bell's Astromoy Page
• Astronomy The Contingent Universe
• Dave's Astronomy Pictures
• Curt Renz's web page
• Astrophotography by Matt BenDaniel
• Ron B(ee)'s Light Cup Journals
• Visual Astronomy by Mel Bartels
• Bill Becker's Web Page
• Bob Luffel's Web Page
• Nexstar 11 GPS Astronomy
• Paul's Astro Links
• Phil Hughes Home Page
• CCD images by Roland Christen
• CCD images by Damian Peach
• Earth Star Continuum by Lin
• Essays on Optics by Thomas Back
• Essays on Optics by Roland Christen
• SpaceWeather.com
• The NASA Astrophysics Data System
• Astrophotography by Michael Cole

Deep-Sky and Double Star Websites
• William Herschel's catalog of Deep Sky objects
• Portrait of Sir William Herschel
• The Herschel Family and the Royal Observatory
• Caroline Lucretia Herschel
• Caroline Lucretia Herschel
• Caroline Lucretia Herschel and John Frederick William Herschel
• John Frederick William Herschel
• Short Biography of William Herschel
• Herschel's Complete List of 2500 objects
• Errata to the above list from Bob Mulford
• Notes about the above list from David Bishop
• The Herschel 400 List
• Deep Sky collections and catalogs similar to Messier's
• The Herschel II home page
• The Herschel 400 Club Observing List in New General Catalog (N.G.C.) Number Order
• History of the Discovery of the Deep Sky objects
• The Digitized Sky Survey (DSS)
• SIMBAD Astronomical Database
• SEDS Messier Guide
• The NGC/IC Project
• The RASC's Finest N.G.C. Objects List
• The Caldwell Catalog
• Atlas of the Andromeda Galaxy
• Atlas of the Universe
• The Spirit of 33 An International Network of Double Stars Observers Coordinated and directed by Luis Argüelles

Planetary and Lunar Websites
• Observing the Planet Mars by Jeffrey D. Beish
• Ralph Aeschliman Mars maps.
• The Solar System in Pictures provides a pictorial overview of the solar system and gives quizzes you about these pictures.
• Lunar Exploration At The National Space Science Data Center
• Exploring the Apollo Landing Sites
• Virtual Moon Atlas
• Inconstant Moon
• Moon Phases
• Moon Atlas
• Apollo Lunar Surface Journal
• JPL/NASA Images of the Planets
• International Jupiter Watch
• Mars Global Surveyor
• Mars Path Finder
• JPL/NASA Mars Home Page
• Cassini-Huygens Website
• Cassini/Galileo images of Jupiter
• The Nine Planets by Bill Arnett
• Views of the Solar System
• Digital Lunar Orbiter Photographic Atlas of the Moon
• Consolidated Lunar Atlas of the Moon
• NASA Planetary Data System Map-A-Planet
• U.S.G.S. Planetary GIS Web Server - PIGWAD
• Planetary Data Systems Catalogs and On-Line Data
• National Space Science Data Center
• Lunar and Planetary Institute

Sci-Fi
• Star Trek
• Lurker's Guide to Babylon 5
• Star Wars.com

Travel and Nature Photography
• Joe Carr's Tourist Travelogue
• Ken Rockwell Camera Reviews
• Photo.net
• Acadia National Park, Maine
• Arches National Park, Utah
• Glacier National Park, Montana
• Yellowstone National Park, Wyoming
• Yosemite National Park, California
• Jasper National Park, Canada
• Banff National Park, Canada