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Astronomy student co-discovers a comet

The comet C/2015 F2 Polonia (dark spot in the centre), along with stars (dark lines). Photograph by Cristovao Jacques, 24 March 2015 (ITelescope)

The International Astronomical Union has officially confirmed that on 23 March 2015, a team composed of four Poles discovered a comet in our Solar System. The comet was named C/2015 F2 Polonia.

This hitherto unobserved astronomical object was discovered with the help of a robot – more precisely, a remote control astronomical observatory located in the Atacama Desert in Chile. The consists of amateurs rather than professionals, who established the second observatory of this type using their own funds in order to search for comets and planetoids. The first one is located in northern Italy. Polonia is the fourth comet discovered by Poles in the post-war period (with the use of a ground telescope) and the first one in 90 years to be discovered by non-professionals.

Marcin Gędek (businessman), Michał Kusiak (student of the Jagiellonian University Faculty of Physics, Astronomy and Applied Computer Science), Rafał Reszelewski (vocational school student) and Michał Żołnowski (doctor) have been pursuing their interests in astronomy for several years.

The discoverers are sure that the comet poses no threat to Earth and will pass by at a safe distance in the coming months. It is too early to tell if it is a one time occurrence or if the comet will visit our neighbourhood again in the future.

The comet was spotted from the southern hemisphere, but in several months it will probably be visible at our latitude. If the comet's surface is sufficiently heated by the sun, it may become bright enough to be observed without the use of professional equipment.

The ephemeris of C/2015 F2 Polonia comet

The first image of Polonia (23 March)

Takahashi 106 astrograph and CCD camera – equipment used to capture Polonia's image

Polonia observatory (the Andes in the background)

Published Date: 30.03.2015
Published by: Łukasz Wspaniały

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