V644 Cen = CPD-60.3278 Speaking of a long-period EB candidate (with regards to OW Gem), I have found an interesting object (V644 Cen), which was formerly considered as a ultra long-period (>200 yr?) eclipsing binary. I wonder whether someone is regularly monitoring for another fade. The GCVS type is GCAS: 114306.8 -604405 (2000.0) CD-60.3704 9.5 114307.1 -604405 (2000.0) CPD-60.3278 8.8 114306.3 -604359 (2000.0) LSS2468 9.4p OB- 114306.9 -604359 (2000.0) ASAS_J114307-6044.0 10.32I (0.15) CENV644 114305.7 -604357 (2000.0) V644CEN 114306.0 -604359 (2000.0) B1.5IIINE(Buscombe) V=9.60 B-V=.08 U-B=-.73 114306.3 -604402 (2000.0) V=9.616(81) b-y=0.144(0) m1=0.016(0) c1=0.186(0) beta=2.591(15) 114306.3 -604402 (2000.0) UBV_V644Cen 9.63 0.07 -0.71 .090 .014 .025 B1III N=3 Nm=5 - 114306.5 -604402 (2000.0) SAO251552 99.9 99.9 B3 114306.5 -604404 (2000.0) 1033Vv 0.30 TYC8973.50.1 plx=17.4(25.9) (0.06 0.08) 114306.4 -604403 (2000.0) 1023 0.26 TYC2-8973.50.1 (10.26 0.04) (10.57 0.04) 114306.5 -604402 (2000.0) CENV644 GCAS: 8.7 10.2 P - - - B2IIIe