

Gwynedd Astronomical Society
Established 1974

Early Lectures
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Dec 1983 P Curtis Dark matter
Jan 1984 B Jones News from the observatories
Feb D Evans The Moon
Jan 1986 R Paganuzzi X-ray astronomy
Dec P Curtis Photographic and visual observation
Jan 1987 R Smith Venus
Feb J Thompson The Radio Universe
Mar P Llewellyn Magnetism and astronomy
Apr G Clark Computers and astronomy
May A Elliott Lunar occultations
Jun P Curtis Radio astronomers look at the Earth
Sep B Jones The Magellanic Clouds
Oct A Roberts Making a Small Refractor
Nov R Smith Observing Meteors
Dec P Curtis Present and Future Techniques with Large Telescopes
Feb 1988 P Curtis Life Elsewhere in the Universe
Mar R Smith The Giant Planets
Apr B Jones The Magnitude Scale
May P Llewellyn Light
Jun A Baran The Universe is One Big Plasma!
Jul P Curtis Life Elsewhere in the Universe
Sep B Jones Galaxies
Oct R Smith Astronavigation
Nov P Curtis The Temperature of the Terrestrial Planets
Dec P Llewellyn Cosmology
Jan 1989 P Curtis Active Galaxies
Feb
Mar R Smith Mercury
Apr P Curtis Comets
May P Llewellyn The Interstellar Medium
Jun J Thompson Infrared and Microwave Telescopes
Jul G Clark Stonehenge
Sep P Curtis Novae
Oct J Thompson Deep Sky Objects
Nov P Llewellyn Measuring Starlight
Dec R Smith Star-photo Quiz
Jan 1990 P Curtis Binary Stars
Feb A Roberts Computing and astronomy
Mar R Smith Apollo Moon landings
Apr A Roberts Voyager Mission to Jupiter
P Curtis Type II Supernovae
May P Llewellyn Origin of the Solar System (early theories)
Jun P Llewellyn Formation of stars and the origin of the Solar System
Jul J Thompson Galaxies
Oct J Thompson Radio astronomy
Nov P Curtis Milankovitch Cycle and Ice Ages
Dec A Roberts Eyepieces
Jan 1991 B Jones Hubble Space Telescope
Feb P Llewellyn Gravity
Mar R Smith Southern skies
Apr J Rowlands Light pollution
Jun P Curtis Pulsating variable stars
Jul P Llewellyn Spectra
Sep J Rowlands Detection of meteors with electrometers
P Curtis Observing variable stars
Oct D Fear Plate tectonics
Nov D King Observational astronomy
Dec P Curtis Life in the universe
Jan 1992 D Fear Uranus
Jan Star party
Feb P Llewellyn Black holes
Mar D Fear Viking Mission to Mars
Apr D Fear Jupiter
J Thompson Voyager Mission to Jupiter and Saturn
May B Jones COBE and the expanding universe
Jun P Curtis Astrophotography
Jul B Jones Stellar spectra
Sep P Llewellyn Measuring the distance to the planets
Oct P Curtis Dark matter
Nov J Mithan Deep sky observing
Dec B Jones Hubble Space Telescope
Jan 1993 B Jones Comets and Giotto
Feb P Curtis Eruptive variable and eclipsing binary stars
Mar P Llewellyn Origin of the universe
Apr D Fear Venus
May A Roberts Shareware astronomical computer programmes
Jun D Fear NASA's Mission to Planet Earth
Jul P Curtis Astrophotography
Sep J Thompson Computing and rocket technology
Oct D Fear Remote sensing
Nov P Curtis Measuring the Earth using radio telescopes /
The Greenhouse Effect
Dec P Llewellyn Astrophotography
Jan 1994 J Thompson Tour of the Universe
Feb R Smith Teaching astronomy to schoolchildren
Mar E Greenwood Old astronomical books
Apr P Llewellyn Adaptive optics
E Greenwood Tides
D King Motor drives for telescopes
J Thompson James Nasmyth
J Mithan Aids to observation
May P Curtis X-ray binaries
Jun J Mithan Black hole in M87
E Greenwood Comet Shoemaker-Levy
P Llewellyn NASA bulletins on the Internet
D King SOS for the Earth / Missing mass
J Thompson Deep sky objects
Jul D Fear Titan
Sep P Curtis Dark matter
Oct D Fear Shareware - Our Cosmohood / Skyglobe
Nov E Greenwood History of astronomy
J Thompson Optical devices in astronomy
D King The use of red light in astronomy
Dec D Fear CDROM - A guide to ERS-1
Jan 1995 A Roberts Binocular observation
J Mithan Extinction of the dinosaurs
D Fear ESA probe to Mercury
Feb J Thompson The Moon and Venus
Mar P Llewellyn Changing ideas about gravity
Apr E Greenwood The 1874 Transit of Venus
Apr Star party
May A Roberts Astronomical programmes for the Amiga computer
Jun J Thompson Gamma-ray astronomy
Jul D King Einstein's universe
Sep D Fear Surfaces of the Terrestrial planets
Oct J Mithan The naming of lunar features
P Llewellyn Ring lasers
E Greenwood Camera lenses and telescopes
Nov D King Shareware programmes for PC's
J Thompson Microwave astronomy
Dec P Llewellyn The colour of stars
Jan 1996 B Lewis Polaris
J Thompson The work of David Malin
Feb J Mithan Planetary nebulae
Mar Quiz
Apr D Fear The contamination of space
May A Roberts Comet Shoemaker-Levy and Jupiter
J Mithan Buckyballs
D King Bode's Law
Jun D Hughes The 1995 solar eclipse in India
J Mithan The lunar landscape
D King Images of the Universe
Jul Session on Internet
Sep D Fear FESTIP
E Greenwood Star maps
N Brown A year's observing
Oct Open day and star party
Nov D King The origin and evolution of the Solar System
Dec Quiz
Jan 1997 D Fear Meteorites in Wales
Feb Session on Internet
Mar Star party
Apr J Mithan Comets
May P Llewellyn The Sun
Jun D Fear The Apollo Missions
Jul D Fear The Ozone Layer / Mapping Venus' surface
Sep M McCormick CDROM - Northern Mars
Oct J Thompson Spectral classes
Nov Star party
Dec D King Measuring the Solar System
Jan 1998 E Greenwood Home-made spectroscopes
Feb D Fear The European Space Agency
Mar B Taylor Black holes
Apr M McCormick Quantum computing
May J Mithan Renaissance astronomers - Copernicus
Jun P Llewellyn Light
Jul J Mithan Vision and perception
E Greenwood Funding in astronomy
D Fear The Canadian space programme
T Rogers The stars
Sep D Fear The Japanese space programme
Oct E Greenwood The Sun
Nov G Williams Life and the Universe
Dec Quiz Night
Jan 1999 J Mithan Radiation and Concorde
G Williams The End of the Universe
D King Von Neumann Machines and Missing Mass
Feb E Greenwood John Jones - Welsh Astronomer
Mar Dr B Peiser Comets and Disasters in the Stone Age
Apr H Hynes Saturn
D Roberts Mars
M Wildsmith Earth
May G Williams Quasars
Jun J Mithan Tycho Brahe
Jul D Fear Using Space Technology in Harsh Terrestrial and Marine Environments
Sep P Llewellyn Accelerating Expansion in the Universe - A Revolution in Cosmology
Oct D King Variable Stars
Nov E Greenwood Jupiter
Dec Quiz Night
Jan 2000 Star Party
Feb E Greenwood James Nasmyth
Mar G Bryans Cepheid Variable Stars
Apr Tour of D King's home built observatory
May J Mithan Kepler
Jun B Lewis The Planets
Jul P Llewellyn Big Telescopes
Sep J Rowlands A North Wales Observatory
Oct D Fear The Astronomical Legacy of Genghis Khan
Nov E Greenwood Edmund Halley
Dec Quiz Night
Jan 2001 D King Charles Messier
Feb G Williams The International Space Station
Mar D Fear The Tharsis Bulge
Apr P Llewellyn Gravitational Astronomy
May Equipment viewing night
Jun J Thompson The Centre of our Galaxy
Jul J Mithan Globular clusters
Sep D Fear Meteorites
Oct D King M42
Nov Quiz Night
Dec Astronomy in Wales video
Jan 2002 G Williams The Oort Cloud
Feb E Greenwood Navigation, Life and Space Travel
Mar P Llewellyn Cosmic Background Radiation and Quintessence
Apr D King The Structure of the Sun
May J Mithan Open clusters
Jun D Fear Ancient Celtic and Welsh Astronomy
Jul D King The Earth's orbit
J Thompson The Yerkes Refractor
J Mithan The Astronomical slate carvings of Dyffryn Ogwen
E Greenwood Timekeeping and Astronomy
Sep S Reid Telescopes, a septic tank, and the national press!
Oct B Woosnam A history of Tal telescopes
Nov J Thompson Mysteries of deep space
Dec Quiz
Jan 2003 Members forum
Feb J Thompson Meteors
Mar B Woosnam Astrophotography
Apr D King The Moon
May R Derbyshire Eclipse in Zimbabwe
Jun P Llewellyn A home made magnetometer
Jul D Fear The Kuiper Belt
Sep E Greenwood Astrology and the beginnings of astronomy
Oct G Williams T Tauri stars
Nov B Woosnam CCD Imaging/A visit to Patrick Moore's observatory
Dec Quiz
Jan 2004 S Reid Planetary atmospheres
Feb D Smith Optics
Mar E Greenwood Transit of Venus
Apr P Llewellyn Spectroscopy
May D Fear The space programmes of less-developed countries
Jun J Mithan Ancient astronomers
Jul A Nourse NASA missions and spacecraft
Sep T Radford An introduction to radio astronomy
Oct J Thompson Lunar occultations
Nov D King Moons
Dec Quiz
Jan 2005 G Williams ET's home planet
Feb Star party
Mar D Smith The development of the astronomical telescope
Apr P Llewellyn Dark matter and energy
May S Reid Galaxies
Jun D Fear Astrobiology
Jun Star party
Jul J Mithan Star maps
Sep N Brown The influence of celestial bodies on plants
Oct B Woosnam Asteroids
Oct Star party
Nov J Lapington Topical developments in optical, ultraviolet and x-ray astronomy
Dec Quiz
Jan 2006 G Willliams Supernovae
Feb J Mithan The Webb Society (Rev. TW Webb)
L Oldfield Saturn V rockets
E Greenwood The measurement of time
D King Iridium flares
D Bennett Advances in communication
J Thompson Eyepieces
Mar no meeting (adverse weather)
Apr D King Towards better seeing
May S Reid Webcameras and astronomy
Jun P Llewelyn Aurorae
Jul D Fear Spirit and Opportunity – the Martian rovers
Sep D Fear Ancient Chinese astronomy
Oct L Oldfield Cassini, Huygens and Saturn
Nov N Brown The influence of celestial bodies on animals
Dec Quiz
Jan 2007 D Fear COROT space telescope
D King An demonstration of a Philips’ Patent Orrery
G Williams The reversal of the Earth’s magnetic field
J Mithan False Moon landings – a pictorial exhibition
P Llewelyn An update on the search for dark matter
Feb J Lapington SWIFT and Gamma Ray Bursters
Mar D King Einstein’s Universe
Apr G Williams Black Holes
May D Fear Radio telescopes
Jun J Thompson Exhibition of astronomical equipment
Jul J Mithan The Moon
Sep S Reid The history of Pluto as a planet
Oct P Llewelyn Cosmic jets
Nov D Fear Archaeoastronomy
Dec B Woosnam Operating the Faulkes telescope
Jan 2008 J Thompson Kielder star party
D Bennett Hubblecasts
Feb D Bennett Journey to Palomar
Mar G Williams Measurement in Astronomy
Apr Question and answer session
May D King Daytime astronomy
Jun E Greenwood Uses for lenses in Astronomy
Jul D Fear Long term climate change on Earth
Sep J Mithan Space medicine
Oct S Reid Building a 16” Dobsonian telescope
Nov B Lewis Meteoroids and meteors
D Bennett Birth of the Universe
Dec D Fear Space elevators
Jan 2009 G Williams Interstellar material
Feb D Fear Where in the Universe quiz
H Pritchard Superlatives in the Universe
J Mithan Comet Lulin
Mar N Brown Evolution and the beginning of life on Earth
Apr S Reid Tricolour imaging
May B Woosnam History of astronomy
Jun D Fear Spin offs from space research
Jul B Woosnam Solar observing
Sep J Mithan Science fiction
Oct G Williams Extra-solar planetary systems
Nov S Reid One man and his Dob – observing from the summit of Snowdon
Dec Informal discussion
Jan 2010 J Thompson The Sun
Feb J Thompson Patrick Moore’s introduction to astronomy
Feb Star party
Mar D Hopkins/I Stokes Solar Suite
Apr J Mithan Deep sky observing
May S Reid Mars
Jun D Smith Hubble Space Telescope
Jul D Fear Optical Atmospheric phenomena
Sep G Williams Why hasn’t ET called yet?
Oct D Fear Salty geysers on Enceladus
J Thompson A Book review of 'A zeptospace odyssey'
G Williams Magnetic field reversals
J Mithan Quiz
Nov J Thompson The history and observation of double stars
Dec D Fear The life and work of the Rev. Dr. Nevil Maskelyne
Jan 2011 J Mithan Open star clusters
Feb G Williams The inner core of the Sun
Mar S Reid Models of the Solar System
Apr DW Jones Astrobiology
May D Fear Structure of the Universe
Jun B Woosnam Stone Circles and astronomy
Jul H Mithan Geology of Mars
Sep H Mithan Geology of Venus
Oct D Jones Coronal mass ejections
Nov D Fear The Mercury programme
Dec Quiz
Jan 2012 DW Jones Babylonian astronomy
Feb G Williams The outer core of the Sun
Mar D Fear ‘Oh my God’ and Fly’s Eye – Cosmic Rays
Apr J Mithan Mediaeval astronomy
May D Jones Dark matter and energy
Jun Dr A Glover Space weather and the Sun/Earth connection
Jul DW Jones Hubble Space Telescope
Sep Quiz
Oct N Brown Poetry and astronomy
Nov DW Jones Kepler Space Telescope
Dec G Williams The photosphere of the Sun
Jan 2013 D Jones Measurement in astronomy
Feb W Gash Pulsars / Work experience in Jodrell Bank Observatory
Mar D Fear Water in the Universe 1
Apr DW Jones Hebrew Astronomy
May D Fear Water in the Universe 2
Jun J Mithan Double and multiple stars
Jul G Williams The Sun's corona
Sep H Mithan What makes planets habitable?
Oct D Jones Extreme objects
Nov D Fear Women in astronomy
Dec Doug Jones An ordinary piece of sky
Jan 2014 M Akesson The development of Sun-like stars
Feb 1st Star party Treborth Botanical Gardens
Feb D Fear Tides
Mar D Jones True and artificial gravity
Apr M Akesson The development of larger stars
May B Woosnam Solar observing
Jun N Brown The University of North Wales Museum collections -location – Brambell Building, Ffordd Deiniol, Bangor
Jul M Akesson The development of the largest stars
Sep H Mithan The role of permafrost in Martian landscape evolution
Oct D Fear Constellations
Nov Quiz
Dec J Mithan Astronomy in literature
Jan 2015 D Smith Isaac Roberts
Feb D Fear The astronomical legacy of Genghis Khan (revisited)
Mar D Jones Comets
Apr J Thompson Observing the night sky: the constellations
May D Fear Vesta
Jun Observing session Aberogwen
Jul D Fear Is there active volcanism on Venus?
D Jones Dark Knight exoplanet (Kepler 1b)
D Jones Leap seconds
G Williams Magnetic reversals
C Morris Notable amateur astronomers
Sep D Fear Science fiction and science fact
Oct K Reid Volcanoes
Nov H Mithan New Horizons and Pluto
Dec D Jones Asteroids
Jan 2016 G Williams New planets and the search for extra-terrestrial life
Feb N Brown The use of astronomical names for plants and animals
Mar Practical session on how to use a telescope
Apr D Fear Dark Mercury
J Mithan Rupes Recta – the straight wall
DW Jones 55 Cancri – an update
N Ahmed A white dwarf with an oxygen atmosphere
I DePledge The Laniakea Supercluster
May N Ahmed A basic introduction to astrophotography
Jun DW Jones Hypervelocity stars
Jul R Wynn The economics of space exploration
Sep J Mithan Mass extinctions and dark matter
Oct P Wise A brief history of telescopes
Nov N Ahmed The Galactic Eye of Sauron
D Jones Centaurus A and Planet 9
J Ditchburn Astronaut twins
D Fear Proxima Centauri
Dec Quiz
Jan 2017 D Jones How to stop a dinosaur killer
Feb DW Jones Climate change
Mar D Fear Active galactic nuclei
Apr R Wynn Stardust speckled gutters
D Fear Lomonosov Crater on Mars
DW Jones QSO 3C 186 Gravitational waves and a recoiling black hole
May N Ahmed "May the fourth be with you"
Jun R Wynn Space art
N Ahmed Abell 370 and black holes
C Morris Discovering comets
J Mithan The Starchip Enterprise
Jul Practical session "Using a hydrogen alpha solar scope"
Sep D Fear The space programme of the UAE
Oct Practical session "How to use a telescope" - Aberogwen
Nov J Mithan Observing the constellations - Cassiopea
Dec D Jones The Carrington Effect
Jan 2018 D Fear Names, stars and galaxies
Feb A Bant The post-processing of monochrome images
Mar meeting cancelled due to adverse weather
Apr N Ahmed Gravity without the Bullock
May D Froebrich HOYS-CAPS - A citizen science project for amateur astronomers
Jun D Jones How Spirit rover got to Mars - video
D Jones New evidence for stars formation 250 million years after the Big Bang
P Hayman A visit to the Lowell Observatory in Flagstaff, Arizona
C Morris Norman Lockyer and Sidmouth
N Ahmed NASA spots an asteroid on a crash course with Earth
N Ahmed An image of the Western Veil Nebula (Witch's Broom)
Jul D Fear [1] Future space telescopes
[2] Undae - dunes in the Solar System
Sep J Mithan Comet 21P/Giabocini-Zinner and comet naming
G Williams The chances of finding extra-terrestrial life
N Ahmed Delta IV rocket
C Morris Reminiscences of past lectures
Oct R Wynn [1] NASA's master space technicians (Jerry Nelson and Joseph Schmitt)
[2] new results from Cassini regarding the history of Saturn's moons and rings
[3] the expanding scope of exoplanet investigations TESS and TRAPPIST-1
Nov D Fear Victor Anestin et al - Romanian astronomy
Dec C Morris The early years of Gwynedd Astronomical Society - the 1970s
Jan 2019 J Mithan The constellation 'Auriga'
Feb N Ahmed Finding needles in a haystack - navigating the celestial sphere
Mar D Robinson Snowdonia Dark Sky Reserve - the project so far and the future
Apr P Hayman Meteor Crater and cratering
May G Williams Gravity
Jun D Fear Jantar Mantar
Jul N Crumpton Universal string theory / Using Saharan solar energy
D Fear Fungal contamination in space / Dragonfly - a quad-copter probe to Titan
J Mithan Sending only women into space
C Morris The Apollo 11 Moon landing
N Ahmed 13 minutes to the Moon / Apollo in real time
J Thompson Is a new Solar maximum due?
Sep D Fear The early history of the Earth 1 (4,570 - 3,500 Mya)
Oct D Fear The early history of the Earth 2 (3,500 - 1,000 Mya)
Nov P Williamson From Herschel to Hawkwind
Dec Christmas Quiz









Ursa Major Constellation
Witch's Broom Nebula
The Pleiades Star Cluster
Globular Star Cluster
Southern Ring Nebular
Jodrell Bank Telescope
Saturn
Copernicus Crater
Black Hole