When in opposition, the 4 bright Jovian satellites may cross the disc of its parent planet in an event called transit. The satellite (white dot) is usually followed by the shadow (black dot) it casts on Jupiter. In this photo, Io is already exiting, with its shadow still on the disc of the planet. Image taken with a Logitech 4000 web camera through prime focus imaging setup. Photo Credit: Anthony Urbano. For more images of transits, click here.
Science Education Associate, University of the Philippines, Diliman. Click on the photo to view full profile.
Let me show you objects within reach of a small backyard telescope. Click on the image to view my humble collection of astrophotos!
Interested in joining a stargazing event? Click on the image to learn how.
Take a look at some of the equipment used in amateur astronomy. Click on the image to learn more.
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Grab that toolbox and start building your own DIY projects! Click on the image to learn more.
Solar Eclipse March 9, 2016. Click on the photo for details.
Use your phone to navigate the night sky! Click on the photo for details.
