21p 20180915 pjordanov

21P/Giacobini–Zinner, M35 and NGC 2158

15.09.2018 1h18 – 5h06 UT
Bresser 150/750, Canon 100D, 44x60s, 1600ISO

2018 Sep 15.04 UT: m1=7.8, Dia.=2', DC=4, Tail: 6 arcmin, in PA 275 deg …15-cm L (28.8x) …P. Jordanov (Dimitrovgrad-Brod, Bulgaria)

Measurement on the image:
coma: 9'
tail length: 30'
PA ion tail: 268°
PA dust tail: 275°

Observer: Penko Jordanov