21P/Giacobini-Zinner

Large Version
2018 August 20 03:04 UT, Centurion 18" CRC f/2.8 & SBIG STL-11000M (L), GSO 8" N f/3.8 & Atik 383L+ (RGB), 112 min. total exposure.
© 2018 J.Chamb√≥/M.Serra/J.Licandro (Teide Observatory/Hoya Redonda, Spain)

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