2021 Celestial Calendar PDF
John Flannerys 2021 Calendar of the Night Sky
Time and Date
Gives rise and set times for the Sun and Moon, along with other astronomical data such as eclipses,
Sky and Telescope
Essential information on how to get started in astronomy.)
Free planetarium software to display the sky at any time
Top 25 US Public Observatories
Here is a list of the top 25 public observatories in the United States, organized by state.
Superb charts you can download.
Absolutely essential reading for what's up.
Details of transitory events during the month as well as aurora alerts.
Space station predictions.
Jodrell Bank Centre for Astrophysics
Monthly night sky tour for MP3 players.
The world of atmospheric optics.
Excellent guide to what’s up as well as astronomy news.
Snapshots from Space
Blog on space missons to the planets.
Starts with a Bang!
Ethan Siegel’s blog on cosmology and more.
Phil Platt rights astro-wrongs.
Global forum for amateur astronomers.
Night Sky Hunter
Stunning photography by Martin McKenna, storm chaser and amateur astronomer in Northern Ireland.
Dublin City FM – Astronomy Show
Astronomy radio show on Dublin City FM
Details of talks and science events in Ireland.
Irish Federation of Astronomical Societies
The forum for Irish amateur astronomers.
The Irish Astronomy Trail
Links historical and modern astronomical sites around Ireland.
Check if it will be cloudy tonight.
Science Foundation Ireland
The Sacred Island
Standing stones and astronomical alignments.
Irish megalithic sites.
Mary Mulvihill’s Ingenious Ireland site.
Sundials in Ireland
Sundials around Ireland.
European Space Agency
List of Government Space Agencies
World space programs.
Gunter’s Space Page
Future space missions.
Mission launches and other news (click “Launch Schedule” too).
Astronomy and space news.
Space and NASA News
Night Sky Observer
Gary Nugent’s astronomy and space news.
Keith’s Moon Page
Facts and folklore about the moon
Multi-media tour of the solar system in different languages.
The science of the sun.
Exploring the sun and spaceweather.
Detailed information on spaceweather and aurora potential.
Site on the moon.
Lots of info on the solar system.
Solar System Exploration
NASA page on the solar system.
NASA page on science.
British Astronomical Association
Comet section of the British Astronomical Association.
Weekly Information about Bright Comets
Details of comets currently visible.
The International Meteor Organisation.
Asteroid Occultation Updates
Predictions of asteroid occultations.
James Kaler’s star of the week web site.
Myths about the stars and constellations.
Encyclopedia of Science
Sky at Night Magazine
Sky & Telescope
Astronomical Society of the Pacific
EU Universe Awareness
Paper Plate Education
Paper plate astronomy.
Interesting kits for exploring astronomy.
Night Sky Pix
How to photograph the night sky and select equipment to do so.)
Astrophotography tips and tutorials.
The Binocular Sky
Lots of information about binoculars and a monthly newsletter
RASC Calgary Centre – Downloadable Files Index
Buying a telescope or binoculars.
The World At Night astrophotography.
Excellent primer on astrophtography by Jerry Lodriguss.
Index to HyperPhysics
Excellent site on all branches of physics.
Curious About Astronomy?
Ask an Astronomer Q & A.
Astronomy Picture of the Day
Astronomy Picture of the Day.
Search multiple booksellers for hard to find books.
Science Foundation Ireland,
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Dublin 2, Ireland
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