21P/Giacobini-Zinner |
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| 2018 May 18 01:55-02:55 UT, 20 Zoll Newton, STL11000M 11x60s, Filter:RGB-Green, Estimated brightness about less than 15mag, predicted 13.4 mag by MPC, Selztal-Observatory | |
| © 2018 Dr. Georg Piehler | |
21P/Giacobini-Zinner |
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| 2018 May 18 01:55-02:55 UT, 20 Zoll Newton, STL11000M 11x60s, Filter:RGB-Green, Estimated brightness about less than 15mag, predicted 13.4 mag by MPC, Selztal-Observatory | |
| © 2018 Dr. Georg Piehler | |