64p 20181014 1940 jvetterlein

Comet 64P Swift-Gehrels
2018 Oct. 14. 19h 40m UT.
Nikkor 200mm f/2 stopped down to f/2.8, D300 SLR, ISO 2500.
A 30 sec. exposure on EQ3 mount.
Sky transparency 8/10, seeing 7/10
Wind SSW force 2
Cropped image, dia. 1° 5' approx.
Brightest star in  the field: TYC 2270-570-1 mag. 6.74, spectral type: A5IV.  
Position of Comet 2018 October 14, 19h 42m from Rousay, imaged with Nikkor 
500mm f/4, Exp.16.2 sec., D800 SLR, ISO 2500. 

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