Today’s Astronomical Events – April 18th, 2015


Venus reaches perihelion, its closest point from the Sun, when it will be approximately 107 million kilometers from our parent star. In comparison, the Earth orbits at a distance of about 150 million kilometers (also known as one astronomical unit, or AU.)

Venus can still be seen in the west as a brilliant star-like object for a few hours after sunset.

(Click on an image to enlarge.)

Map courtesy of Mobile Observatory. Image by the author, May 2006, take with an Orion XT 4.5″ Dobsonian telescope and a Kodak digital camera.



09:18 UT – Venus is at perihelion. Distance to Sun: 0.718 AU. (72% illuminated, magnitude -4.1, diameter 15.3”. Taurus, evening sky.)

18:57 UT – New Moon. (Pisces, not visible.)



Events in bold involve objects and/or events that are easily visible with the naked eye.

All times are in Universal Time (UTC). To convert the time to your timezone, click here.

Learn more about upcoming astronomical events in 2015 An Astronomical Year (Kindle Edition) and The Astronomical Almanac (2015-2019) (Kindle Edition and Paperback Edition) and 2016 An Astronomical Year (North American Kindle Edition.)

The Amateur Astronomer’s Notebook allows astronomers to log 150 observing sessions and includes an appendix of hundreds of suggested deep sky objects.

Details of all available books across the world can be found here or by visiting the author’s page on Amazon.

If you have any comments or questions, please feel free to contact me at astronomywriter “at”


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