While viewing into the detail of this image both objects were investigated by Prof. Karachentsev et al. Both dwarf companions being now confirmed members of the Local Volume. The dwarf companions are called now as N1156dw1 and N1156dw2. The coordinates are:

N1156dw1: RA 03 h 00 min 18.2 s DEC +25 ° 14 ‘ 56 ”

N1156dw2: RA 03 h 00 min 28.0 s DEC +25 ° 18 ‘ 17 ”
(Have also a look into the article “New Low Surface Brightness Dwarf Galaxies Detected Around Nearby Spirals” in the sub-page “publications in collaboration with the TBG Group”.)