(3122) Florence, 2017.08.29. 21:15-22:30 UT, Kerepes, 4", f/4 (Newtonian, Dobson), 50x (8 mm Planetary), detail drawing.
2008.03.15. drawing of the tiny crater...
NextCassiopeia double star drawing
Drawing of the minor planet (3122) Florence made during the 2017 autumn close approach to Earth. The 4.5 km minor planet flew as close as 7 million kilometers (18 times the Earth-Moon distance).