Inside This Issue

• The 1904 Shelburne (Ontario) L5 Chondrite fall, revisited Meteorite
• Selenology and the Bomb
• The Joys of Winter Stargazing
• Twelve RASCals Remember the First Lunar Triumph
• The Colours of the Stars

August 2009 Issue Contents - table des matières

Feature Articles/Articles de Fond

• Astronomical Observations by Peter Fidler and Others in “Canada” 1790-1820 by Peter Broughton
• Buzzard Coulee - An Amateur Search Effort by Murray D. Paulson
• Running Large-Scale Astronomy Events on the Web by G. Tulloch, P. Trudel, and M. Simmons

Columns/Rubriques

• On Another Wavelength: M27 - A Bipolar Planetary Nebula by David Garner

Inside This Issue

• Heart of the Crab
• The Apollo 11 Landing
• Pixellations III: Flats
• A Scholarly Masterpiece
• The Hazards of Astro Flashlights
• Herschel, Babbage, and Isaac Newton’s Chair
• Dark-Sky Ratings for Star Parties in 2009

Inside This Issue

• Observations Taken of the 1769 Transit
• A Major New Observatory in Canada
• Exploring the Pingualuit Impact Crater
• Aboriginal Sky Lore
• The Art of Gentle Persuasion
• Edmonton Centre Observers Measure Asteroid 111 Ate

Inside This Issue

• New Constraints on the Asteroid 298 Baptistina, the Alleged Family Member of the K/T Impactor
• Long Secondary Periods in Pulsating Red Supergiant Stars
• Shakespeare and Elizabethan Telescopy
• Construction of a 16th-Century Telescope:An Experiment in the History of Astronomy
• Calculating Meteoroid Orbits: Part II: Three Dimensions
• An Interview with Longtime RASC Member Larry Wood

All your favourite regular columns, plus some new ones:

Inside This Issue

• Early Years at the David Dunlap Observatory
• Calculating Meteoroid Orbits: Part I: Two Dimensions
• Daniel Knode Winder (1828-97), the First President of the Toronto
• Astronomical Club
• Filters and the Visual Astronomer

Plus, all your favourite regular columns:

Inside This Issue

• The Plaskett Telescope at 90
• Astronomical Art and Artifact: The View From the RASC Archives

Plus, all your favourite regular columns:

• Pen and Pixel
• Second Light
• Deep-Sky Contemplations
• Through My Eyepiece
• Gizmos
• Quick Picks for Observing

And a few extras:

• Astrocryptic
• Society News

Inside This Issue

• Period Changes for the d Scuti Star YZ Boo by Rachel Ward, Paul Delaney, Sarah Sadavoy, Aaron Maxwell, Senthuran Senthilnathan, and Sandy Hsu
• RASC Dark-Sky Program by Robert Dick
• Magnitude Changes in a Variable Star by Alaina Edwards
• The Chris Graham Robotic Telescope by Craig Breckenridge
• The CASTOR “Sputnik 50th Anniversary Satellite-Tracking Bonanza”: Project Overview and Preliminary Analysis by Michael A. Earl

Inside This Issue

• Creating a Relationship with the Sky — The Horizon Effect Project
• “Look WAAAYYYY Up!” — Travels to Mauna Kea
• Quick Picks for Observing
• Visual Impressions of the Planet Mercury
• Alligators, Officers, and Other Hazards

Inside This Issue

• Abstracts from the Planetary Science Research Symposium
• Aboriginal Canadian Sky Lore of the Big Dipper