pg: eye estimates by V.P.Goranskij and S.Yu.Shugarov using photographic
plates of SAI Moscow and Sonneberg plate collections;
AJ: A.Jones, New Zealand (vis+0.4);
AGi,GiK(Gilmore and Kilmartin),CPu(C.Pullen),HAb(H.Abe)
RH: BVIc photometry made by A.Retter and G.Handler with UCT CCD at
76-cm telescope from Sutherland, South Africa.
SO: UBVRc photometry made by E.A.Barsukova and V.P.Goranskij with
CCD EEV 42-40 at 100-cm telescope of the Special Astrophysical Observatory,
North Caucasus, Russia.
VA: UBVRcRj photometry made V.P.Goranskij with Princeton
Instruments' CCD VersArray at 60-cm telescope of the SAI Crimean Station,
6m: VR photometry by V.P.Goranskij, E.A.Barsukova and V.F.Valeev
made with the BTA/SCORPIO.