Аннотация: MASTER OT J164244.87+272054.3 discovery - PSN in Sloan J164244.86+272054.0 galaxy
MASTER-IAC auto-detection system discovered OT source at (RA, Dec) = 16h 42m 44.87s +27d 20m 54.3s on 2016-05-03.0719 UT.
The OT unfiltered magnitude is 18.8m (the limit is 20.1m).
This PSN is in 0.3" from the galaxy Sloan J164244.86+272054.0 (rmag=22.18).
There are 3 images with this PSN. There is no minor planet at this place. We have reference image without OT on 2016-02-14.2398UT with unfiltered magnitude limit 20.0m.
Spectral observations are required.
The discovery and reference images are available at http://master.sai.msu.ru/static/OT/164244.87272054.3.png