HOWARD

ASTRONOMICAL

LEAGUE

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Astro Links

Note: Most sites are encrypted for your protection. However, some are not. These are flagged in the lists below so you can decide for yourself whether to risk it.

Books Authored by HAL Members

• Observing the Nearest Stars, Robert S. Prokop
• Celestial Pilgrimage - Robert S. Prokop Blog
  

Local Astronomical Equipment Sources

Support Company 7. They help HAL in many ways. Please return the favor when you can.

• Company 7, Laurel, MD (Store Front & Internet) (WARNING: INSECURE SITE) *
  

Beginner's Corner

• Hints for Beginners (From the San Jose Astronomical Association)
• Be an Astronomer Right from Your Window (Thanks Quentin Darby)

Before You Go Out

• Beginner's Guide to Astronomy
• Dave Mitsky's Monthly Celestial Data (WARNING: INSECURE SITE)
• A Simple Guide to Backyard Astronomy Using Binoculars or a Small Telescope (WARNING: INSECURE SITE)
• Heaven's Above (Satellite Predictions)
• MegaStar Sky Atlas
• Real-time ISS Tracker
• Sky Spot - Finder Charts for Telrad Users (not free) (WARNING: INSECURE SITE)
• Satellite Visibility at Alpha Ridge  (Iridium Flares, Satellites, Starshine, ISS, Mir, etc.)
• Tonight's Sky (Find out what's visible tonight)
• Your Sky (Create maps for any date, time, viewpoint, and observing location) (WARNING: INSECURE SITE)

Planetary Resources

• Exoplanet Observing by Amateur Astronomers
• Explore Mars Now (WARNING: INSECURE SITE & REQUIRES FLASH)
• Mars Explorations
• Mars Entry on Nine Planets (WARNING: INSECURE SITE)
• Mars Previewer II (Free software from Sky and Telescope)
• Venus Introduction
• Venus - Windows on the Universe
• Saturn
• Cassini-Huygens Mission to Saturn and Titan
• Jupiter
• Uranus
• Neptune
• The Nine 8 Planets (A multi-media tour of the solar system)
• Planetary Photojournal

Sun and Moon Resources

• Digital Lunar Orbiter Photographic Atlas of the Moon (Features can be listed by name, coordinate range, or ascending/descending by location)
• Hitchhiker's Guide to the Moon  (Extensive collection of moon resources)
• The Inconstant Moon (What will you see if you look at the moon.) (WARNING: INSECURE SITE)
• Lunation (See the moon "move" with libration through the lunar month.)
• Earth & Moon Viewer (View the current state of the earth or the moon from various points.)
• SOHO - Exploring the Sun
• Space Weather (Find our what the Sun is up to now)

Amateur Radio Astronomy

• http://www.radiosky.com (WARNING: INSECURE SITE)
• https://radiojove.gsfc.nasa.gov/
• http://physics.gmu.edu/~hgeller/astr402/ (WARNING: INSECURE SITE)
• https://www.radio-astronomy.org/

On-Line Equipment Sources

(This list is informational only and does not constitute an endorsement by HAL)

• ADM Accesories *
• Adorama
• Anacortes Telescope & Wild Bird
• Astromart (Buy and sell used equipment)
• Astronomics
• EyepieceCaps.com
• Home Dome * (WARNING: INSECURE SITE & REQUIRES FLASH)
• Oceanside Photo & Telescope (Also known as OPT) *
• OpticsPlanet.com
• Orion Telescope (Telescopes & Accessories) *
• ScopeStuff (WARNING: INSECURE SITE)
• Sky Shed (Plans, Kits, Installation of Roll-Off Observatories) (WARNING: INSECURE SITE)
• The Binocular Site - Info about about binoculars (WARNING: INSECURE SITE)

* HAL sourced some parts for its observatory from these vendors

Other Astronomical Information Resources

• Astronomical Filters Spectral Transmission (WARNING: INSECURE SITE)
• Astronomical League
• Astronomy Picture of the Day
• Astronomy Posters & Prints (On-Line Store)
• Cleaning Lenses. Mirrors, and Corrector Plates(WARNING: INSECURE SITE)
• Cosmic Adventures (Portable Planetarium, Presents programs for schools and other organizations.)
• Cloudy Nights (Reviews, Forums, General Astronomy Info)
• Explora Dome
• International Dark Sky Association (The Light Pollution Authority)
• Hubble Data Search Instructions
• Hubble Website (The ultimate resource for deep space photos)
• International Occultation Timing Association(WARNING: INSECURE SITE)
• James Webb Space Telescope (No Updates Since Feb 2018)
• NASA
• Observatory Design Links
• On-line Astronomy Education
• SETI@Home
• Sidewalk Astronomers(WARNING: INSECURE SITE)
• Star Date (publication of The Univ of Texas at AustinMcDonald Observatory)
• Wired Cosmos: A Beginner's Guide to Stargazing
• 2 Micron All Sky Survey Messier Objects(WARNING: INSECURE SITE)

Area Clubs, Organizations

• Howard Astronomical League; i.e. Us!
• Goddard Astronomy Club(WARNING: INSECURE SITE)
• Greenbelt Astronomy Club (WARNING:INSERCURE SITE)
• Maryland Science Center
• Mid-East Regional Astronomical League (MERAL)
• Northern Virginia Astronomy Club
• Tri-State Astronomers(WARNING: INSECURE SITE)
• Westminster Astronomical Society of Maryland(WARNING: INSECURE SITE)