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button on the home page and the sectional pages, serving like a link (Monthly Sky) button on the home page and the sectional pages, serving like a link (News) button on the home page and the sectional pages, serving like a link (Tutorials) button on the home page and the sectional pages, serving like a link (Links) button on the home page and the sectional pages, serving like a link (Space) Home Page Version française Version française. Contenu

icon and link pointing to that our yearly calendar of main events for 2020 is now available! Check that!

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Observation Theory Monthly Sky Charts Calendar 2020

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FAQs
Naked-Eye Sky Learning
Observable Objects
Tools
Advanced Tools
Instruments
Glossary

Also check our 'Celestial Mechanics' section in the 'Theory' one!

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FAQsInitiation, Outdoor Packs

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Naked-Eye Sky Learning 1 (Northern Hemisphere)
Naked-Eye Sky Learning 2 (Equator and Tropics)
Naked-Eye Sky Learning 3 (Southern Hemisphere)

->beginners will usefully think too about our Initiation, Outdoor Packs!

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->check the Site's Webmaster Observations' Page!

Planetary Basics
More About Mercury or Venus Evening or Morning Stars
Observing the Moon
Observing the Sun
Observing a Sun Eclipse
Observing a Moon Eclipse
Shooting Stars
The Belt of Venus, The Golden Hour
Comets and Comet Hunting
Northern Lights
Occultations
Variable Stars
Binary Stars
Asteroids and Asteroid Hunting
Constellations Overview
Main Stars
Messier Objects Accessible To Binoculars and A 4.5" Newtonian Telescope
Mars Oppositions
Venus and Mercury Transits
Sundials
About the Eye's Cones and Rods in Terms of Deep Sky Objets
Astrophotography
What About the Pro-Am Collaboration?
What About the Light Pollution Question?

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How to Easily Measure Angles on the Sky
An Easy way to Compare Magnitudes
Greek Alphabet
Usual Metric/Imperial-US and Fahrenheit/Celsius/Kelvin Conversion
A Observation Session
How to Record A Observation
How to Tune a Classical Three-screw Telescope's Visor?
Constellations Latin Names, Abbreviations and Genitives
Hemispherical Sky Maps
Celestial Mechanics Definitions List
Keys to Soho Daily Pictures
Usual Astronomical Measure Units

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Julian Dates
Time Systems
Stars Designations
The Invention of Southern Skies
Limiting Magnitude
Symbols of Planets and Zodiacal Constellations

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How to Choose a Telescope?
Telescopes and Mounts
Some Usual Formulae for Instruments

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Glossary

Website Manager: G. Guichard, site 'Amateur Astronomy,' http://stars5.6te.net. Page Editor: G. Guichard. last edited: 4/12/2016. contact us at ggwebsites@outlook.com
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