21P/Giacobini–Zinner 12.09.2018 0h26m – 1h18m UT Bresser 150/750, Canon 100D, 51x60s, 1600ISO 2018 Sep 12.01 UT: m1=7.0, Dia.=4', DC=5, Tail: 12 arcmin, in PA 270 deg …15-cm L (28.8x) …P. Jordanov (Dimitrovgrad-Brod, Bulgaria) Measurement on the image: coma: 5' tail length: 47' PA = 275° |
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