- Astronomy tips and links by Stewart Attlesey
- Glenn and Gail’s Astronomy Section
- Kerry-Ann Lecky Hepburn’s Weather and Sky Photography
- Kerry-Ann Lecky Hepburn and Hubby’s Grimsby Weather site
- Bob Christmas’ Astronomy Photo Gallery
- Bob Christmas’ Comet Gallery
Star Party Contacts
- Black Forest Star Party
- Cherry Springs Star Party
- Stargazing Manitoulin and Manitoulin Star Party
- NEAF – Northeast Astronomy Forum
- Winter Star Party
- Stellafane Star Party
- Astroblast Star Party
- Almost Heaven Star Party
- Exposing PseudoAstronomy
- Slacker Astronomy; Astronomy for the fun of it
- The Jodcast; from The University of Manchester’s Jodrell Bank Observatory (UK)
- Planetary Society
- 365 Days of Astronomy
- StarTalk Radio with Neil DeGrasse Tyson
HAA Sponsored Organizations
- CALSKY Astronomical and Space Calendar
- Dot to Dot Books by Joan Marie Galat
- Camtech (Hamilton)
- Diffraction Limited
- Firefly Books
- Kendrick Astro Instruments (Toronto).
- Khan Scope Centre
- KW Telescope (Kitchener)
- Meade Telescopes
- Mountain Equipment Co-op
- Oneil Photo and Optical Inc. (London)
- Sky Shed Roll-Off Observatory Plans, SkyPOD, Kits and Telescope Piers.
- Starlight Theatre
- Unihedron Posters and Sky Quality Meter.
- Baader Planetarium Product
- Scope Stuff
- Canada-Wide Astro Buy & Sell
- Stargazer Steve
- Orion Telescopes
- National Weather Service Space Weather Prediction Center 3-day GOES X-Ray Flux Monitor Site (dynamically updates every 5 minutes)
- Stanford University Solar Center’s SID Database (Now includes LOFAR II data!!)
- The Hamilton Association for the Advancement of Literature, Science and Art
- Astronomy photos & Images
- Night Sky Info: Weekly information about the night sky, astronomy articles and observations.
- Astronomy In Your Hands Hands-on astronomy activities.
- Amazing Space features familiar Amazing Space activities plus dozens of new tools for educators!
- SkyWatch Sends its subscribers a daily email on astronomical events such as satellite passes and meteor showers that can be observed from their location.
- SkyandTelescope.com Calendar
- SpaceWeather Science news and information about the Sun-Earth environment.
- W.J. McCallion Planetarium
- Canadian Astronomy Data Center
- Jet Propulsion Laboratory at NASA
- Johnson Space Center
- Goddard Space Flight Center
- National Space Science Data Center
- All Engineering Schools comprehensive database of U.S. engineering schools.
- Graphing Algebra Equation software Solve graphical equations the fastest way with a downloadable algebra software.
- Portable Planetariums Home
- Moon Facts
- Interactive and Multimedia Astronomy experience
- Don Pullen’s presentation on Amateur Radio Astronomy. (PowerPoint ~7MB)
Interactive Astronomical Tools
- Deep Sky Stacker
- From Julian Date Calculator Written by Doug Welch
- To Julian Date Calculator Written by Doug Welch
- Planetary Photographic CalculatorWritten by Charles W. Baetsen
- Cartes du Ciel Free star-charting program for MS-Windows
- Virtual Moon Atlas
- Consolidated Lunar Atlas
- Telescope and Camera Field Of View Calculator