BH Lyncis

Type vs
Period (d) 0.155875
Mag 14.5 V - 17.2 V
a(2000) 08:22:36.00
d(2000) +51:05:24.9

C1 = GSC 0342101075
C2 = GSC 0342100895
C3 = GSC 0342100967

BH Lyn - 120integration. Jan 31/2002, TKUCO 0.30 m, ST-7E

 

 

Jan 27/28. Very cold (T= -31C) and very bright moon. Scatter (C2-C1) approx -.03 mag.
Jan 28/29. Cold (T=-27C), bright moon with scattered cloud. Scatter (C2-C1) approx 0.06 mag.
Jan 29/30. Clear and cold (T = -29 C). Excellent conditions, scatter low (C2-C1)<0.01 mag.
Jan 30/31. Excellent conditions until 7 h UT. Scatter < 0.009 mag.
Feb 1/2. Very good conditions at start but cloud and aurora forced early termination. Scatter low up to this point.
Feb 2/3 Very good conditions but early termination due to high winds. Scatter < 0.01 mag.
Feb 8/9. Good conditions at start but cloud moving in about 7 h UT. Scatter < 0.007 mag prior to this. LC is fine.
Feb 13/13. Haze and high, thin cloud. Warm (T = +1C). Despite this, excellent photometry until approx 6h30m UT. Scatter approx. 0.005 mag.