The coordinates 19 26 44.45472 +21 08 34.0512 recorded an increase in
the brightness of the star by more than 2 magnitudes in the filter V.
Possible progenitor USNO-B1.0 1111-0400009.
OBJECT | DATE(UT) | MAG
----------------------------------------------------------
USNO-B1.0 1111-0400009 | 2458676.5083564813 | 16.2(V)
USNO-B1.0 1111-0400009 | 2458688.4351967592 | 13.5(V)
Observatory: Ananjev (L33)
Observer : N. Mishevskiy (MNIC)
Instrument : 0.25-m f/4.7 reflector + CCD