Observations at the Nyrölä Observatory are done by Arto Oksanen (arto.oksanen@jklsirius.fi).
Telescope parameters: Long=+25.5130 deg, Lat=+62.34233 deg, Alt= 200 m.
Optical configuration: Schmidt-Cassegrain F/10 or F/5 with focal reducer, D=0.4 m
CCD camera: SBIG ST8XE, 1536 x 1024 pixels, 9 x 9 um pixel size, field= 18 x 12 arcmin
Filters: B, V, Rc, Ic