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Mike Olason

Location of Photo:

Tucson, Arizona

Date/Time of photo:

20 May 2021, 0825 UT


11" SCT and STF-8300M CCD Camera


In these images Comet 57P/du Toit-Neujmin-Delporte was magnitude 18.3 and 108 million miles from Earth. Comet 57P will make it's close approach to Earth in June 2021 at 105 million miles and will be at perihelion in it's 6.40 year orbit in October 2021 when it will be 159 million miles from the Sun. The comet may brighten to magnitude 15 in September 2021.