Best Sources of Astronomical Images on the Web
by Andrew Fraknoi (Foothill College)
Version 4 (Jan. 2016)
© 2016 by Andrew Fraknoi. All rights reserved. Permission to reproduce for any nonprofit, educational purpose is hereby granted. For other purposes, contact author: fraknoi@ fhda.edu
1. The Top Image Sites
Astronomy Picture of the Day: http://antwrp.gsfc.nasa.gov/apod/lib/aptree.html
Two space scientists scour the Internet and feature one “sexy” astronomy image each day.
Hubble Space Telescope Images: http://hubblesite.org/newscenter/archive/browse/images/
Starting at this page, you can select among many hundreds of Hubble pictures by subject. Other ways to approach these images are through the more public-oriented Hubble Gallery: http://hubblesite.org/gallery/ & the European ESO site: http://www.spacetelescope.org/images/
National Optical Astronomy Observatories Image Gallery: http://www.noao.edu/image_gallery/
Growing archive of images from the many telescopes that are at the National Observatories.
Planetary Photojournal: http://photojournal.jpl.nasa.gov/index.html
Features thousands of images from NASA’s planetary exploration, with a good search menu.
European Southern Observatory Photo Gallery: http://www.eso.org/public/images/
Magnificent color images from ESO’s largest telescopes. See the topical menu at top.
The World at Night: http://www.twanight.org/newTWAN/index.asp
Dramatic night-sky images by professional photographers who are amateur astronomers.
2. Other Useful General Galleries
Canada-France-Hawaii Telescope: http://www.cfht.hawaii.edu/HawaiianStarlight/images.html
Remarkable color images from a major telescope on top of the Mauna Kea peak in Hawaii.
European Space Agency Gallery: http://www.esa.int/spaceinimages/Images
Access images from such missions as Mars Express, Rosetta, and Herschel.
Gemini Observatory Images: http://www.gemini.edu/index.php?option=com_gallery
Images from a pair of large telescopes, in the northern and the southern hemispheres.
Isaac Newton Group of Telescopes Image Gallery: http://www.ing.iac.es/PR/images_index.html
Beautiful images from the Herschel, Newton, and Kapteyn telescopes on La Palma.
National Radio Astronomy Observatory Image Gallery: http://images.nrao.edu/
Organized by topic, the images show objects and processes that give off radio waves.
3. Some Galleries on Specific Subjects
Astronaut Photography of the Earth: http://eol.jsc.nasa.gov/
Chandra X-ray Observatory Images: http://chandra.harvard.edu/photo/category.html
Robert Gendler (amateur closest to being professional): http://www.robgendlerastropics.com/
Sloan Digital Sky Survey Images: http://www.sdss.org/gallery/
Solar Dynamics Observatory Gallery (Sun images): http://sdo.gsfc.nasa.gov/gallery/main
Spitzer Infrared Telescope Images: http://www.spitzer.caltech.edu/images