Databases

	The NASA Atrophysics Data System. Strasbourg      Harvard
arXiv.org
BASS2000	Archive des observations systématiques du Soleil.
	Centre de Donées astronomiques de Strasbourg. astronomical database. astronomical catalogue DENIS: Deep Near Infrared Survey.
	MAST: Multimission Archive at STScI
	Eprintweb (IoP).

Laboratories & institutions

	Science & Technology Research and Scientific Support Department
JPL/SSD	Solar System Dynamics: information by JPL about solar system bodies.
NIST	National Institute of Standards and Technology. Atomic Spectra Database.
NNDC	National Nuclear Data Center EXFOR: Experimental Nuclear Reaction Data Nudat2: Nuclear structure and nuclear decay data.
	Max Plank Institute for Astrophysics Public outreach
	NASA

Resources

Eclipsing binary stars	by Dan Bruton.
Flashespace	en direct du ciel et de l'espace.
HyperMath	examples of applied mathematics with links to their applications to problems in physics and astronomy.
HyperPhysics	exploration environment for concepts in physics.
Integrator	Mathematica technology to solve indefinite integrals.
Mathworld	web mathematical resources by E. W. Weisstein.
MIT courses	Thermodynamics and Propulsion
	NASA SpaceFlight.com       Forums
Société d'Astronomie de Rennes	Lexique
Syllabus Tenesse University	161: The Solar Systema 162: Stars, Galaxies, and Cosmology
Variable Stars	AAVSO: American Association of Variable Star Observers types of variable stars General Catalogue of Variable Stars by the Sternberg Astronomical Institute, Moscow University. GCVS variability types

Redes

European
	Astronet Opticon
Españolas
	Astrid Astrocam

Journals

	Astronomy & Astrophysics (forthcoming papers)
	The Astrophysical Journal
	The Astronomical Journal
	Astronomische Nachrichten
	Monthly Notices of the Royal Astronomical Society

Virtual Observatory

	International Virtual Observatory Alliance Documents: Simple Cone Search Simple Spectral Access Protocol Spectrum Data Model VOTable Format Definition The UCD1+ Controlled Vocabulary IAU Units Recommendations
	EURO VO Aladin Registries Tutorials
	European Space Agency VO Portal VOSpec Registry
	Spanish Virtual Observatory
	VO France
	National Virtual Observatory VO DataScope Query NVO Data and Service Locator (registry)

Observatories

Roque de los Muchachos (weather)
	Telescopios e instrumentación del IAC en los observatorios de Canarias Isaac Newton Group (Staralt) GTC: Gran Telescopio de Canarias: Proyecto Consolider-Ingenio-GTC NAHUAL: Near-infrAred High-resolUtion spectrogrAph for pLanet hunting SuperWASP: Wide Angle Search for Planets
Teide (weather)
	Telescopios e instrumentación del IAC en los observatorios de Canarias IAC80 OGS: Optical Ground Station PASS: Permanent All Sky Survey TrES: Transatlantic Exoplanet Survey
Observatoire de Haute-Province
	Elodie
European Southern Observatory    La Silla    Paranal
	Coralie HARPS PRIMA UVES ELT: extremely large telescope. OWL: OverWhelmingly Large telescope.
Keck
	HIRES
National Astronomical Observatory of Japan
	Subaru
Las Campanas
	Magellan OGLE:Optical Gravitational Lensing Experiment

Satellites

N2YO	real time satellite tracking       CoRoT
	OAMP       CNES       LESIA       IAA ESA Space Science       ESA Science&Technology
	U. British Columbia       MEDOC
Darwin	ESA       Rutherford Appleton Laboratory       Alan J. Penney
	ESA: RSSD- STD       Observatoire de Paris
	Kepler       variable stars catalog       Kepler Guest Observer Program
	SIM       Astronomer's site
Spitzer	Space InfraRed Telescope Facility (before: SIRTF)

Physical parameters

Physical constants

Cuerpos del sistema solar

Lunar and Planetary Science (NASA). With the Planetary Fact Sheets.

Earth	mass	5.9736e24	kg	NASA's Pl. Sci. Fact Sheets
	radius (ecuatorial)	6.3781e6	m	NASA's Pl. Sci. Fact Sheets
	semimajor axis	1.496e11	m	NASA's Pl. Sci. Fact Sheets
	excentricity	0.0167		NASA's Pl. Sci. Fact Sheets
	albedo (vis. geom.)	0.367		NASA's Pl. Sci. Fact Sheets
Jupiter	masa	1.8986e27	kg	NASA's Pl. Sci. Fact Sheets
	radius (ecuatorial)	7.1492e7	m	NASA's Pl. Sci. Fact Sheets
	semimajor axis	7.7857e11	m	NASA's Pl. Sci. Fact Sheets
	excentricity	0.0489		NASA's Pl. Sci. Fact Sheets
	albedo (vis. geom.)	0.52		NASA's Pl. Sci. Fact Sheets
Moon	mass	7.349e22	kg	NASA's Pl. Sci. Fact Sheets
	radius (ecuatoria)	1.7381e6	m	NASA's Pl. Sci. Fact Sheets
	semimajor axis	3.844e8	m	NASA's Pl. Sci. Fact Sheets
	excentricity	0.0549		NASA's Pl. Sci. Fact Sheets
	albedo (vis. geom.)	0.12		NASA's Pl. Sci. Fact Sheets
Sun	mass	1.9891e30	kg	NASA's Pl. Sci. Fact Sheets
	radius (mean)	6.96e8	m	NASA's Pl. Sci. Fact Sheets

Societies

•  Sociedad Española de Astronomía.
•   Société Française d'Astronomie et d'Astrophysique.
•   European Astronomical Society.

Divulgation

Astro meeting	astronomical photos by Stefan Seip.
Astronomy resources	un blog con multitud de enlaces útiles.
Cartes du Ciel	free software to draw sky charts.
Cosmic Journey	a history of scientific cosmology, site built by the Center for History of Physics, a division of the American Institute of Physics.
David Darling's	Encyclopedia of Astrobiology, Astronomy, and Spaceflight
From Stargazers to Starships	The book-on-the-web by David P. Stern; have a look to the Kepler's three laws of planetary motion.
	Astrobiology Magazine NASA news World Wind: fotos (impresionantes) de la Tierra desde el espacio.
Nine (eight) Planets	an overview of the history, mythology, and current scientific knowledge of the planets, moons and other objects in our solar system; by Bill Arnett.
Physics Web	a free service (regular news, jobs, resources...) provided by the Institute of Physics.
Sondas Espaciales	galerias de imágenes y un montón de enlaces.

Ephemerides

• Real Instituto y Observatorio de la Armada en San Fernando:
  • efemérides en la red.
• USNO: US Naval Observatory.
  • Time Service Departament.
  • Astrometry Departament.
• Institut de Mécanique Céleste et de calcul des Éphémérides.

Meteorology

• Instituto Nacional de Meteorología.
• European Organization for the Explotation of Meteorological Satellites.
• La météo en Ile-de-France.
• Página web de los alemanes con predicciones de nubosidad.

ASAAF

• Página web de la asociación.
• Blog.
• Fotos del nuevo telescopio de ASAAF.
• Enlaces de la charla del curso de Rascafría 2005.
• Enlaces a posibles becas y otras posibilidades de futuro.
• HI Extragaláctico.

Eclipses

Eclipse total de sol del 29 de marzo de 2006

• Eclipse 2006.

Eclipse anular de sol del 3 octubre de 2005

• Página del eclipse de ASAAF.
• Fases geocéntricas y mapa (JPG; 122kB) del eclipse proporcionados por el Real Instituto y Observatorio de la Armada en San Fernando.