on the evening of july 20th I had another chance for Neowise, and knowing its huge tail I choose Sigma 180mm and Eos6d to record as much as possible. The coma now had turned distinctly greenish, and the blue Ion and yellowish dust tail make for a colorful appearance.
Eos6da at Iso 800, 166x15sec shots at f/2.8 - comet and stars were stacked separately and reunited.#
Here is a video made from the raw frames, covering the comets motion during the 40min session
Neowise video 20200720 Resolution ............... 7.735 arcsec/px
Observation end time ..... 2020-07-20 20:43:20 UTC
Focal distance ........... 175.99 mm
Pixel size ............... 6.60 um
Field of view ............ 11d 48' 33.5" x 7d 53' 8.8"
Image center ............. RA: 9 59 05.929 Dec: +50 43 13.79
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