Leserbilder Astronomie: Comet C/2017 O1 ASASSN
Comet C/2017 O1 (ASASSN) photographed on November 19th, 2017. Its brightness has dropped clearly during the last month until magnitude 10 approximately. In this image taken when the comet is going on to the Cepheus constellation toward the celestial north pole, it shows a green-bluish coma of 7' diameter and a tail also more faint and short until near 10' lenght.
Daten zum Bild
Ort | Valencia, Spain |
Zeitpunkt | 19.11.2017 03:40 UT |
Kamera | Atik 383L+ |
Teleskop/Objektiv | GSO 8" 760 mm, f/3,8 |
Belichtungszeit | 840 sec. |
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