Caph (Beta Cassiopeiae) is a giant or subgiant F star that is the second brightest star in the constellation Cassiopeia
It is located 99.4 light-years from Earth.
Taken from London on 22/10/2017
Tak 130 Telescope
QSI 690 CCD
LRGB 120s x 5 each filter
Ioptron CEM 60 mount ( unguided )