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1970 Jan 3 Eclipses in 1970
1970 Jan 10 Mars and Rings of Saturn
1970 Jan 17 Comet Tago-Sato-Kosaka
1970 Jan 24 Superluminal jets
1970 Jan 31 Comets
1970 Feb 7 Earth's orbit and climate
1970 Feb 14 Lunar and Solar Eclipses soon
1970 Feb 21 General Automatic Luminosity And XY measuring machine
1970 Feb 28 Total Solar Eclipse
1970 Mar 7 Eclipse Cycles
1970 Mar 14 Comet Bennett
1970 Mar 21 Lunar Rocks and Moon's Age
1970 Mar 28 Determining Easter
1970 Apr 4 Soviet 236-inch Telescope
1970 Apr 11 Comet Bennett
1970 Apr 18 Mission to Asteroid
1970 Apr 25 Moon Horizon Illusion
1970 May 2 Transit of Mercury
1970 May 9 Prairie Meteorite Network
1970 May 16 No Column
1970 May 23 Bolides
1970 May 30 Galilean Moons
1970 Jun 6 Comet White-Ortiz-Bolelli
1970 Jun 13 Radio Galaxies
1970 Jun 20 Stratoscope-1 Balloon
1970 Jun 27 No Column
1970 Jul 4 Venus and Jupiter
1970 Jul 11 Phobos
1970 Jul 18 1970 & 1972 Nova Scotia Eclipses
1970 Jul 25 Lunar eclipse
1970 Aug 1 Molecular Hydrogen Clouds in Space
1970 Aug 8 Stratoscope-2 Balloon
1970 Aug 15 Partial lunar eclipse
1970 Aug 22 No Column
1970 Aug 29 Venus and Jupiter
1970 Sep 5 No Column
1970 Sep 12 Lunar Craters named
1970 Sep 19 Molecules in Space
1970 Sep 26 Venus, Jupiter, Mercury rotation
1970 Oct 3 Lunar Tidal Bulges
1970 Oct 10 No Column
1970 Oct 17 No Column
1970 Oct 24 Lunar sample study
1970 Oct 31 Oct 31 Rites, Pleiades
1970 Nov 7 Radar Mapping Venus
1970 Nov 14 Glass on the Moon
1970 Nov 21 Moon and Thunderstorms Theory
1970 Nov 28 Perseus Double Cluster
1970 Dec 5 Geminids
1970 Dec 12 Sagan's Molecular Clouds
1970 Dec 19 Solstice, Venus as UFO
1970 Dec 26 Stonehenge Eclipse Theory
1971 Jan 2 Mars in 1971
1971 Jan 9 Venus Rotation
1971 Jan 16 BRD 100m Radiotelescope
1971 Jan 23 University of Toronto Southern Observatory
1971 Jan 30 Maffei 1 Galaxy
1971 Feb 6 Lunar Eclipse
1971 Feb 13 Winter of 1564
1971 Feb 20 Gum Nebula Starquakes & Pulsars
1971 Feb 27 Spring Skies, Mars Opposition
1971 Mar 6 Zodiacal Light
1971 Mar 13 Infrared Astronomy
1971 Mar 20 Gegenschein
1971 Mar 27 Mercury
1971 Apr 3 Dinosaur Extinction Theories
1971 Apr 10 Amino acids in Murchison Meteorite
1971 Apr 17 1744 stars within 25 parsecs
1971 Apr 24 Uhuru X-ray satellite
1971 May 1 Black Holes
1971 May 8 Sunspots & Climate
1971 May 15 Occultation of Mars
1971 May 22 No Column
1971 May 29 CASCA
1971 Jun 5 No Column
1971 Jun 12 Hubble Constant
1971 Jun 19 Supernova at DDO
1971 Jun 26 Mars
1971 Jul 3 Aphelion, Seasons
1971 Jul 10 1972 Canada Eclipse
1971 Jul 17 No Column
1971 Jul 24 Maffei Galaxies
1971 Jul 31 Mars
1971 Aug 7 Mars
1971 Aug 14 No Column
1971 Aug 21 No Column
1971 Aug 28 No Column
1971 Sep 4 Mars, planets
1971 Sep 11 Hydrogen sulphide
1971 Sep 18 Hudson Bay not a crater
1971 Sep 25 Harvest Moon
1971 Oct 2 No Column
1971 Oct 9 Gum Nebula
1971 Oct 16 Canadian craters
1971 Oct 23 Ganymede
1971 Oct 30 Hunter's Moon
1971 Nov 6 No Column
1971 Nov 13 No Column
1971 Nov 20 Primordial Moon
1971 Nov 27 2 Full Moons in December
1971 Dec 4 Van den Bergh Galaxies
1971 Dec 11 Space Weather
1971 Dec 18 Kepler
1971 Dec 24 Star of Bethlehem, Venus
1972 Jan 1 Jan 30 Lunar Eclipse
1972 Jan 8 July 10 Solar Eclipse
1972 Jan 15 Atomic Clock
1972 Jan 22 Lunar Eclipse
1972 Jan 29 Venus, Mars, Jupiter, Ceres
1972 Feb 5 Gregorian, Julian Calendars
1972 Feb 12 Predicting Halley's Comet 1986
1972 Feb 19 Asteroid Toro
1972 Feb 26 5 bright planets
1972 Mar 4 Mariner 9, Mars
1972 Mar 11 Allende meteorite
1972 Mar 18 Variable stars
1972 Mar 25 Cygnus X-1
1972 Apr 1 Venus
1972 Apr 8 Ashen Light
1972 Apr 15 Life in outer space
1972 Apr 22 Very Large Array
1972 Apr 29 Venus, Mars, Jupiter
1972 May 6 July 10 Solar Eclipse
1972 May 13 CASCA anniversary papers
1972 May 20 Airborne Giacobinid observations
1972 May 27 Jupiter and Venus
1972 Jun 3 10th Planet theory affecting Halley's Comet
1972 Jun 10 Comet composition
1972 Jun 17 Fundy Tidal Power
1972 Jun 24 Maritimes solar eclipse
1972 Jul 1 Two July eclipses
1972 Jul 8 Eclipse plans
1972 Jul 15 Eclipse results
1972 Jul 22 Lunar eclipse
1972 Jul 29 Planets, Perseids
1972 Aug 5 1969 Allende Meteorite
1972 Aug 12 No Column
1972 Aug 19 Ammonia and Greenhouse Effect
1972 Aug 26 IAU Toronto
1972 Sep 2 Super-Harvest Moon
1972 Sep 9 Mariner 9, Mars
1972 Sep 16 Sunspots
1972 Sep 23 Crab Supernova Petroglyphs
1972 Sep 30 Planets, M31
1972 Oct 7 Giacobinids
1972 Oct 14 Cygnus X-3 and ARO
1972 Oct 21 Sudbury Impact Basin
1972 Oct 28 Planets, Moon
1972 Nov 4 Lake Wanipitei Crater
1972 Nov 11 Halley's Comet
1972 Nov 18 Leonids, Giacobinids
1972 Nov 25 Tycho's Star
1972 Dec 2 Planets
1972 Dec 9 Winter stars
1972 Dec 16 Mercury albedo
1972 Dec 23 Pre-Christian Astronomy
1972 Dec 30 January events
1973 Jan 6 June 1973 long solar eclipse
1973 Jan 13 Copernicus 500
1973 Jan 20 1973 long eclipse
1973 Jan 27 Planets, Moon angle to Pleiades
1973 Feb 3 Power from the Sea
1973 Feb 10 1913 Meteoric Precession
1973 Feb 17 Copernicus Planetarium Show
1973 Feb 24 Supernova vs. Dinosaurs
1973 Mar 3 Mercury, Vernal Equinox
1973 Mar 10 Pleione variable
1973 Mar 17 Epsilon Eridani Planet
1973 Mar 24 No Column
1973 Mar 31 Charts Only
1973 Apr 7 Full Moon Earthshine Theory
1973 Apr 14 Meteorite Observation Recovery Project
1973 Apr 21 Easter
1973 Apr 28 Venus, occultation of Vesta
1973 May 5 Czech fireball
1973 May 12 Comet Kohoutek
1973 May 19 CASCA Edmonton, CFHT
1973 May 26 Jun 30 solar eclipse
1973 Jun 2 Viking Mars landing sites
1973 Jun 9 Solar eruption & earth rotation theory
1973 Jun 16 Interstellar molecules
1973 Jun 23 Solar Eclipse plans
1973 Jun 30 eclipse, planets
1973 Jul 7 Meteorite & crater research
1973 Jul 14 Bovedy meteorite fall
1973 Jul 21 Soviet astronomy papers
1973 Jul 28 Jupiter
1973 Aug 4 Sunspots
1973 Aug 11 Comet Kohoutek
1973 Aug 18 Toronto Centre eclipse results
1973 Aug 25 Microtektites
1973 Sep 1 Mars, Jupiter, Venus
1973 Sep 8 Population and space colonization
1973 Sep 15 Jupiter rotation
1973 Sep 22 IAU Poland Copernicus 500
1973 Sep 29 Mars opposition
1973 Oct 6 Mariner 9
1973 Oct 13 Mars opposition
1973 Oct 20 Comet Kohoutek
1973 Oct 27 Transit of Mercury
1973 Nov 3 Transit of Mercury
1973 Nov 10 Ganymede atmosphere
1973 Nov 17 Comet Kohoutek
1973 Nov 24 Doubting Barnard's Star planets
1973 Dec 1 December skies
1973 Dec 8 lunar eclipse, Comet Kohoutek
1973 Dec 15 Star of Bethlehem
1973 Dec 22 Partial solar eclipse Dec 24
1973 Dec 29 Comet Kohoutek
1974 Jan 5 Kohoutek, Skylab, Ontario Science Centre
1974 Jan 12 Crab Pulsar
1974 Jan 19 Kohoutek, Novel Comet Theory
1974 Jan 26 Occultation of Mars
1974 Feb 2 Pioneer 10
1974 Feb 9 Tunguska
1974 Feb 16 Asteroid reflectivity
1974 Feb 23 Occultations of Mars and Saturn
1974 Mar 2 Aug 10 1972 Bolide
1974 Mar 9 Linné Crater
1974 Mar 16 Asteroid Vesta
1974 Mar 23 Comet Bradfield
1974 Mar 30 Planets, Comet Bradfield
1974 Apr 6 Saturn Occultation Results
1974 Apr 13 Zodiacal Light
1974 Apr 20 Disappointing Comets
1974 Apr 27 Comet Encke
1974 May 4 Unlikelihood of life discovery
1974 May 11 Mariner 10, Mercury
1974 May 18 Banting Crater
1974 May 25 Meteoroids affect Earth's spin
1974 Jun 1 Planets, eclipses
1974 Jun 8 Masses of Comets
1974 Jun 15 CFHT
1974 Jun 22 CASCA St John's Papers
1974 Jun 29 Planets, Venus occultation
1974 Jul 6 Big Horn Medicine Wheel
1974 Jul 13 Venus occultation, Asteroid Toro
1974 Jul 20 Sunspots affect lightning
1974 Jul 27 Dawn Planets
1974 Aug 3 Solar Wind effect on weather
1974 Aug 10 Measuring Double Stars
1974 Aug 17 Solar X-Ray Observations
1974 Aug 24 Gargantuan Basin
1974 Aug 31 Harvest Moon
1974 Sep 7 Farthest Quasars
1974 Sep 14 Dimethyl ether molecules in space
1974 Sep 21 Mariner 10, Mercury
1974 Sep 28 Planets
1974 Oct 5 Gerard K. O'Neill space habitats
1974 Oct 12 Large radio objects
1974 Oct 19 Local Aurora Photography
1974 Oct 26 Planets
1974 Nov 2 Women in Astronomy
1974 Nov 9 Io
1974 Nov 16 Jupiter 13
1974 Nov 23 Nobel Physics Prize for radio aperture synthesis
1974 Nov 30 partial solar eclipse
1974 Dec 7 partial solar eclipse
1974 Dec 14 Southern hemisphere observatories, Aricebo dedication
1974 Dec 21 Winter solstice, calendars
1974 Dec 28 January planets
1975 Jan 4 1975 Eclipses, Asteroid Eros
1975 Jan 11 Asteroid Eros
1975 Jan 18 Mapping Phobos
1975 Jan 25 Interplanetary meteoroids, Skylab
1975 Feb 1 Venus & Jupiter, Eros Occultation
1975 Feb 8 Soviet Astronomy
1975 Feb 15 Comet Van den Bergh
1975 Feb 22 Bolide sonic booms
1975 Mar 1 Spring Planets
1975 Mar 8 Comet Kohoutek Failure
1975 Mar 15 CFHT Mirror ground in BC
1975 Mar 22 Hubble Constant
1975 Mar 29 Venus, Planets
1975 Apr 5 Betelgeuse speckle interferometry
1975 Apr 12 Canadian impact craters
1975 Apr 19 Apollo lack of water on moon
1975 Apr 26 No Column
1975 May 3 Ice Ages and Continental Shift
1975 May 10 Large Space Telescope
1975 May 17 Total Lunar Eclipse
1975 May 24 Castle Rigg Megaliths
1975 May 31 Venus
1975 Jun 7 CFHT
1975 Jun 14 Nordlinger Ries Crater, Moldavites
1975 Jun 21 Sagan, Viking
1975 Jun 28 Planets
1975 Jul 5 CASCA Kingston Papers
1975 Jul 12 Comet Kohoutek, Comet Halley
1975 Jul 19 Vikings to Mars
1975 Jul 26 Apollo-Soyuz UV astronomy
1975 Aug 2 Planets
1975 Aug 9 Comet Kobayashi-Berger-Milon
1975 Aug 16 Most distant galaxy
1975 Aug 23 Asteroid Vesta
1975 Aug 30 Planets
1975 Sep 6 Ice Ages and the Sun
1975 Sep 13 Nova Cygni 1975
1975 Sep 20 Millman, UFOs
1975 Sep 27 Planets
1975 Oct 4 Halliday, Carbonaceous Chondrites
1975 Oct 11 Nova Cygni 1975
1975 Oct 18 Jupiter Papers
1975 Oct 25 Van den Bergh ET Papers
1975 Nov 1 Total Lunar Eclipse
1975 Nov 8 Algol and DDO
1975 Nov 15 Total Lunar Eclipse
1975 Nov 22 Southern Hemisphere observatories
1975 Nov 29 Mars Opposition
1975 Dec 6 Mars Opposition
1975 Dec 13 Jupiter Moon #13
1975 Dec 20 Soviet Venus Probes
1975 Dec 27 Asteroid Ceres
1976 Jan 3 Comet West
1976 Jan 10 Sunspot Cycle
1976 Jan 17 Jupiter Radiation
1976 Jan 24 Martian Crater Nomenclature
1976 Jan 31 Planets
1976 Feb 7 Infrared Dwarf Stars
1976 Feb 14 Coma Berenices
1976 Feb 21 Leap Years
1976 Feb 28 Equinoxes
1976 Mar 6 Apollo Asteroids
1976 Mar 13 Comet West
1976 Mar 20 Giant Soviet Telescope, Very Large Array
1976 Mar 27 Mars occults Epsilon Geminorum
1976 Apr 3 Ursa Major
1976 Apr 10 Sunspot Cycle
1976 Apr 17 King George III, Astronomer
1976 Apr 24 Mare Orientale
1976 May 1 Mars-Saturn Conjunction
1976 May 8 Ottawa River Solar Observatory
1976 May 15 Cassiopeia A at DDO
1976 May 22 Mars in the Beehive
1976 May 29 Morning Planets
1976 Jun 5 Moving the Isaac Newton Telescope
1976 Jun 12 Asteroid Eros
1976 Jun 19 Solar System formation theory
1976 Jun 26 Planets
1976 Jul 3 CASCA Penticton Papers
1976 Jul 10 CSICOP
1976 Jul 17 Viking Mars Instruments
1976 Jul 24 Comet d'Arrest
1976 Jul 31 Planets
1976 Aug 7 Toronto RASC Sky Brightness Program
1976 Aug 14 1979 Canadian Solar Eclipse
1976 Aug 21 Comet Kohoutek
1976 Aug 28 Comet D'Arrest
1976 Sep 4 Nova Cygni 1975 at DDO
1976 Sep 11 Project JANET for Radio Meteor Detection
1976 Sep 18 Sagittarius A
1976 Sep 25 Mercury Crater Nomenclature
1976 Oct 2 Hunter's Moon
1976 Oct 9 100-inch Carnegie Telescope at Las Campanas
1976 Oct 16 Arecibo Radar Discovers Maxwell on Venus
1976 Oct 23 Chant Australian Eclipse Expedition
1976 Oct 30 Penumbral lunar eclipse
1976 Nov 6 X-ray Astronomy
1976 Nov 13 Mars water ice polar caps
1976 Nov 20 Donald Fernie Book
1976 Nov 27 Planets
1976 Dec 4 Messier 13 X-rays, Messier 87 Globulars
1976 Dec 11 Hubble Galaxy Evolution
1976 Dec 18 Barnard's Star, Swarthmore College
1976 Dec 24 Star of Bethlehem
1976 Dec 31 Venus, planets position
1977 Jan 1 No Column
1977 Jan 8 Canadian Eclipses
1977 Jan 15 ARO-DRAO VLBA
1977 Jan 22 Bjurakan Observatory in Armenia
1977 Jan 29 Venus, Planets
1977 Feb 5 Milankovich Ice Ages
1977 Feb 12 Broughton's Canadian Comets
1977 Feb 19 Venus, Napoleon, Transits
1977 Feb 26 Venus, Zodiacal Light
1977 Mar 5 Innisfree Meteorite
1977 Mar 12 Solar Power Satellites
1977 Mar 19 Chinese Kirin Meteorites
1977 Mar 26 Lunar Eclipse, Venus Inferior Conjunction
1977 Apr 2 Partial lunar eclipse, Venus at inferior conjunction
1977 Apr 9 Uranus Rings
1977 Apr 16 Supernovae and star formation
1977 Apr 23 Primordial Earth
1977 Apr 30 Venus as Morning Star, planets
1977 May 7 Tektites theories
1977 May 14 Soviet Venus lander photography
1977 May 21 Vela Pulsar observed
1977 May 28 Planets in June
1977 Jun 4 Cyanotriacetylene molecules in space
1977 Jun 11 CASCA London
1977 Jun 18 Kew Observatory, George III
1977 Jun 25 AM Herculis
1977 Jul 2 Planets
1977 Jul 9 Canadian study of lunar farside volcanism
1977 Jul 16 Meteorite Reward
1977 Jul 23 Cincinatti 2354 Planet
1977 Jul 30 Perseids
1977 Aug 6 Angeline Stickney
1977 Aug 13 Predicting Comet Halley
1977 Aug 20 shockwaves creating organic molecules
1977 Aug 27 Jack Newton
1977 Sep 3 Harvest Moon penumbral eclipse
1977 Sep 10 Bird migration affected by magnetism
1977 Sep 17 Next Generation Telescope
1977 Sep 24 Astronomical Music
1977 Oct 1 Partial Solar Eclipse
1977 Oct 8 Solar Eclipse Safety
1977 Oct 15 IAU BRD Papers
1977 Oct 22 Tunguska
1977 Oct 29 Planets, Pleiades
1977 Nov 5 Soviet impact craters
1977 Nov 12 Climate Change
1977 Nov 19 Hertzsprung-Russell Diagram
1977 Nov 26 Planets
1977 Dec 3 X-Ray Bursts
1977 Dec 10 No Records
1977 Dec 17 Great Comet of 1577
1977 Dec 24 No Column
1977 Dec 31 Mars Opposition
1978 Jan 7 planets, 1979 eclipse
1978 Jan 14 Frost on Mars
1978 Jan 21 Planetoid Chiron
1978 Jan 28 Planets
1978 Feb 4 Kepler's Star
1978 Feb 11 AAS UFO Poll
1978 Feb 18 Phobos and Io
1978 Feb 25 Youngest Crescent Moon
1978 Mar 4 Planets, Early Easter
1978 Mar 11 Comet Bradfield, Light Pollution
1978 Mar 18 Asteroid Mining
1978 Mar 25 Comet Bradfield, Determining Easter
1978 Apr 1 Planets
1978 Apr 8 Cambridge Encyclopedia of Astronomy
1978 Apr 15 Comet Bradfield
1978 Apr 22 Apr 12 solar outburst
1978 Apr 29 Planets
1978 May 6 Saturn Ring Plane Crossing
1978 May 13 Innisfree Meteorite
1978 May 20 Uranus Rings, New Asteroids
1978 May 27 Comet Meier
1978 Jun 3 Comet Meier
1978 Jun 10 Black Holes
1978 Jun 17 RASC GA
1978 Jun 24 Ariel X-Ray Satellite
1978 Jul 1 No Column
1978 Jul 8 Copernicus originals
1978 Jul 15 1511 Crema fireball
1978 Jul 22 Timekeeping in Canada
1978 Jul 29 Perseids, Comet Meier
1978 Aug 5 Charon
1978 Aug 12 Great new telescopes
1978 Aug 19 Age of Globular Clusters
1978 Aug 26 Feb 1979 Canadian Eclipse
1978 Sep 2 Stellafane
1978 Sep 9 X-Ray Bursters
1978 Sep 16 Mont-Megantic
1978 Sep 23 No Column
1978 Sep 30 Planets, asteroid occultations
1978 Oct 7 Asteroids close to Earth
1978 Oct 14 Jean Meeus
1978 Oct 21 Daylight Saving Time
1978 Oct 28 Double New Moon, Aldebaran occultation
1978 Nov 4 Nova Cygni 1978
1978 Nov 11 Sirius colour change theory
1978 Nov 18 Hoyle's Black Cloud
1978 Nov 25 Light pollution spectrography
1978 Dec 2 Venus Occultation
1978 Dec 9 Geminids
1978 Dec 16 History of Planetariums
1978 Dec 23 Star of Bethlehem, Stonehenge
1978 Dec 30 January planets, Observer's Handbook
1979 Jan 6 1979 Eclipses
1979 Jan 13 Canadian Apollo 17 experiment
1979 Jan 20 Tunguska
1979 Jan 27 Gimli Eclipse
1979 Feb 3 Eclipse
1979 Feb 10 IAU Montréal plans
1979 Feb 17 SETI Journal
1979 Feb 24 Eclipse safety
1979 Mar 3 Lunar Eclipse, Vernal Equinox
1979 Mar 10 Saros Cycle
1979 Mar 17 Proxima Centauri
1979 Mar 24 NGC 1961
1979 Mar 31 Jupiter
1979 Apr 7 Asteroid Toronto
1979 Apr 14 Pluto
1979 Apr 21 Halley's Comet
1979 Apr 28 Jupiter
1979 May 5 Charon
1979 May 12 Earthshine
1979 May 19 Star Clouds
1979 May 26 Space Telescope advantages
1979 Jun 2 Mercury, lowest Full Moon
1979 Jun 9 European astronomy summer camps
1979 Jun 16 Einstein X-ray Telescope
1979 Jun 23 NGC 1961
1979 Jun 30 Comet SW-3
1979 Jul 7 Historical Astronomy Tracts
1979 Jul 14 CS Beals Obituary
1979 Jul 21 Mayan Calendar and Venus
1979 Jul 28 Perseids
1979 Aug 4 IAU Montréal plans
1979 Aug 11 Algol, Cygnus X-1
1979 Aug 18 IAU Montréal
1979 Aug 25 CFHT
1979 Sep 1 Lunar Eclipse
1979 Sep 8 No Column
1979 Sep 15 SS 433
1979 Sep 22 CFHT
1979 Sep 29 Saturn Ring Plane Crossing
1979 Oct 6 Amateurs at IAU Montréal
1979 Oct 13 Comet Meier
1979 Oct 20 Comet Meier
1979 Oct 27 Planets, Pleiades
1979 Nov 3 Comet Meier, SETI
1979 Nov 10 Canadians in AAVSO
1979 Nov 17 Sunspot Cycle
1979 Nov 24 Schmidt Telescopes
1979 Dec 1 Planets
1979 Dec 8 Gravitational Lens
1979 Dec 15 Saturn Ring Plane Crossing
1979 Dec 22 Star of Bethlehem
1979 Dec 29 Aldebaran occultation