During preparation to comet catching, I suddenly captured unusual twin tracks. After googling, I revealed that they are tracks of NOSS satellites.
Here is a quote from http://www.satobs.org/noss.html:
One of the interesting sights in the night sky are the Naval Ocean Surveillance System (NOSS) satellite formations, each having two or three satellites in close proximity to one another. Normally these satellites are relatively dim to the unaided eye, but on occasion they brighten sufficiently to be easily seen in a dark sky.
NOSS 3-3 duo passing by Polaris (bright star at the bottom). Movement in this 12.3s exposure is from upper-left to bottom-right; the A object is leading. 06-Feb-2016, 18:52(UT+2), Kyiv.
This picture is uploaded as an illustration to corresponding Wikipedia article.
Satellites were identified with http://www.heavens-above.com/
Here are NOSS 3-3 (A) pass details (using coordinates 50.3891°N, 30.6151°E)
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