Mars – Saturn at Heliocentric Opposition


   Monday May 1st the planets Mars and Saturn will have reached a point in their respective orbits where they are on opposite sides of the Sun and are approximately 180o apart, or at what is called heliocentric opposition. Using the system of heliocentric longitude Mars has a heliocentric longitude of 83o while Saturn has a heliocentric longitude of 263o

   Mars is visible above the western horizon at around sunset local time near the two open star clusters of Taurus the Bull – the Pleiades and the Hyades. On the other side of the sky, over the eastern horizon is Saturn, rising around midnight local time.

   
   
   

Click here to go to the Qué tal in the Current Skies web site for monthly observing information, or here to return to bobs-spaces.

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