Astronomy

Return to Index

Astronomical Events

• Astronomical Enigma (G. E. S. Curtis)
  • Ancient Knowledge by G. E. S. Curtis @ lulu.com (02/20)
  • Ancient Knowledge (local mirror; PDF) (02/20)
  • Astronomical Enigma (local mirror; PDF) (02/20)

• Astropixels.com (05/21)
  • Planetary Ephemeris Data (05/21)
  • Sun
    • Geocentric Ephemeris for the Sun: 2020 (05/21)
    • Geocentric Ephemeris for the Sun: 2021 (05/21)
    • Perihelion and Aphelion: 2001 to 2100 (05/21)
  • Moon
    • Geocentric Ephemeris for Moon: 2021 (05/21)
    • Moon at Perigee and Apogee: 2001 to 2100 (05/21)

• Jupiter-Saturn Conjunctions @ astropro.com (06/21)

• Planetary Data System (02/20)

• Planetary Interactions (02/20)

• Planetary Rings (02/20)

• Predictable Astronomical Events (Jan Curtis) (02/20)
  • Chapter 1, Part 1 (local copy)
  • Chapter 1, Part 2 (local copy)
  • Chapter 2, Part 1 (local copy)
  • Chapter 2, Part 2 (local copy)
  • Chapter 3, Part 1 (local copy)
  • Chapter 3, Part 2 (local copy)

• Rise & Set (Sun and Planets) (Old Farmer's Almanac) (02/20)

• Stonhenge -- The Marriage of the Sun and Moon (02/20)

• Synchronising Effect of Planetary Resonance (02/20)

• What's Your Sign? The Science Behind the Zodiac (02/20)

Top of Page

General Information

• Astronomy Classes
  • Astronomy 161 (02/20)

• astronomyLINKS.com (02/20)

• Astronomy Links & Interesting Sites Beyond Planet Earth (02/20)

• Basics -- the Ecliptic, the Equator, and Coordinate Systems (02/20)

• Basics of Positional Astronomy (02/20)

• Basics of Radio Astronomy (02/20)

• Calendar Date and Time to Julian Day and Sidereal Times (02/20)

• Celestial Navigation (02/20)

• Earth and Moon Viewer (02/20)

• Ephemeris.com (02/20)

• Favorite Astronomy Links @ sciencsy.com (02/20)

• Gravity Simulator (02/20)

• Heavens Above (02/20)

• Jet Propulsion Lab (02/20)

• Mike Boschat's Astronomical Home Page (02/20)

• NASA's Home Page (02/20)

• Newton's Law of Gravity Calculator (02/20)

• Nine Planets (02/20)

• Orbital Period @ wikipedia.org (02/20)

• Positional Astronomy (02/20)

• Sky & Telescope Magazine (02/20)

• Swiss Ephemeris at Astrodienst (02/20)

• Views of the Solar System (great thumbnail GIFs) (02/20)

• Your Weight on Other Worlds (02/20)

Top of Page

Chiron

• Chiron & Friends (Zane B. Stein) (02/20)

• Chiron Periphelion Campaign NSSDC (02/20)

Top of Page

Earth Tide

• Earth Tide @ wikipedia.org (02/20)

• Excel For Hydrology (02/20)
  • Excel For Hydrology (Listing and Description) (02/20)
  • Earth Tide Function.xls (Excel spreadsheet) (02/20)

• Influence of the Planets (02/20)

• Solid Earth Tide (DOS software) (02/20)

• Tides.c (02/20)

• This Magic Sea (02/20)

Top of Page

Eris

• What is Eris?
  • Eris (dwarf planet) @ wikipedia.org (02/20)

• Where Is Eris?
  
  • Eris Calculator @ zanestein.com (02/20)

  • Eris ephemerides
    • Eris geocentric ephemeris @ astro.com (swiss ephemeris) (02/20)
    • Eris Ephemerides @ zanestein.com (02/20)

• Links
  • Gravity Simulator for Eris (02/20)

• Software
  • Astro2006SEZ - calculated Eris (1800-2399 AD) (02/20)
  • Calculate Eris in natal chart @ astro.com (02/20)
  • Swiss Ephemeris Test Page (Eris is s -xs136199) (02/20)

Top of Page

Lunar Activity

• PredictWeather.com (Ken Ring) (02/20)
  • All Articles (02/20)

• Robert Harry van Gent (History of Astronomy) (02/20)
  • Catalog of Eclipse Cycles (very good) (02/20)

• Eclipse Home Page @ NASA (very good) (02/20)
  • Lunar Eclipse Page (02/20)
  • Eclipses and the Saros (02/20)
  • SKYCAL - Sky Events Calendar (02/20)

• Gregorian-Lunar Calendar Conversion Table (02/20)

• Inconstant Moon (02/20)

• Inconstant Moon @ fourmilab.ch (02/20)

• Lunar Apogee and Perigee Calculator (also lunations) (02/20)

• Lunar Apogee and Perigee Calculator (mirror of calculator listed above)

• Moon Phase Calendar @ StarDate.org (02/20)

• Moon Phases @ calendar-365.com (02/20)

• Moonrise and Moonset (Old Farmer's Almanac) (02/20)

• MrEclipse.com (02/20)

• The Moon's Motion (02/20)

• Lunar Declination & Lunar Standstills
  • Lunar Standstill @ wikipedia.org (02/21)
  • Sun & Moon Polar Applet (02/21)

• Moonscope (02/21)
  • Collection of Moongraphs

• Ingress of the North Node, 1783-2023 AD
• Longitude of the North Node, 1780-2039 AD

• Lunar Declination Cycle, 200-1000 AD
• Lunar Declination Cycle, 1000-2000 AD
• Lunar Declination Cycle, 1900-2100 AD

• Lunar Latitude for 1993
• Lunar Latitude for 1994
• Lunar Latitude for 1995
• Lunar Latitude for 1996
• Lunar Latitude for 1997
• Lunar Latitude for 1998

• Lunar Phases for 1993
• Lunar Phases for 1994
• Lunar Phases for 1995
• Lunar Phases for 1996
• Lunar Phases for 1997
• Lunar Phases for 1998

• Moon Wobble, 1960 - 1970
• Moon Wobble, 1970 - 1980
• Moon Wobble, 1980 - 1990
• Moon Wobble, 1990 - 2000

Top of Page

Solar Activity

• Aurora Page (02/20)

• Coronal Mass Ejection @ wikipedia.org (02/20)

• Eclipse Home Page @ NASA (very good) (02/20)
  • Solar Eclipse Page (02/20)

• MrEclipse.com (02/20)

• NOAA
  • NOAA Space Weather Enthusiasts (02/20)
  • ACE Real-Time Solar Wind Data (02/20)
  • iNtegrated Space Weather Analysis System (02/20)
    • Spiral-shaped Interplanetary Magnetic Field @ caltech.edu (02/20)
    • 2011-08-03 through 2011-08-13 (great animated GIF) (02/20)
    • 2011-06-10 through 2011-06-14 (Mercury opposite Earth) (02/20)
    • 2011-08-03 through 2011-08-13 (Mercury conjunct Earth) (02/20)
  • Space Physics Data Facility (02/20)
  • THEMIS-A MP Crossing Survey Plots (02/20)
  • Coordinated Data Analysis Web (02/20)
  • Hourly "Near Earth" data (02/20)

• SOHO
  • Lesson: Solar Wind Velocity (02/20)
    • Current Solar Wind Speed (02/20)
    • Solar Flare typically reaches the earth a day or two after the event (wikipedia.org) (02/20)
  • Lesson: Measuring the Motion of a Coronal Mass Ejection (02/20)

• STEREO (02/20)
  • Positions of STEREO A and B (02/20)

• NSSDC (02/20)

• Solar Conditions (02/20)

• SolarHam.com (good charts) (02/20)

• Solar Eclipse Paths (02/20)

• Space Weather (02/20)

• SunEarthTools.com (02/20)
  • Sunrise Sunset Calendar (02/20)

• Sunrise/Sunset (Old Farmer's Almanac) (02/20)

• Sunspot Cycles and Planetary Tides (Excellent) (02/20)

• Sunspots in History (02/20)

• WDC-C1 Daily Sunspots & Solar Flux from Jan 1932 (great data) (02/20)

Top of Page

Software

• Dublin Night Sky Observer (02/20)

• Fourmilab Table of Contents (02/20)
  • Moon Tool for Windows (02/20)

• Heliocentric and Geocentric Motion of the Bright Planets (02/20)

• Home Planet 3.3a (02/20)

• Lunar Phase Lite (02/20)

• Physics and Astronomy (Java Applets) (02/20)
  • Moon Phase Applet (02/20)
  • Sun, Moon and Earth Applet (02/20)

• SEDS (02/20)

• Starry Night Astronomy Software (02/20)

Top of Page

Return to Index

Bonnie's Links
created by Bonnie Lee Hill,
bonniehill@verizon.net
last modified on June 17, 2021

URL: http://www.bonniehill.net/pages/astronomy.html