REF 120/600 Archo + Orion 3G CCD + 0.5x Foc. reducer
----- EBFit result: -----
Tmin = 2459345.51470
Error (1 sigma): +0.00035/-0.00034 (Bootstrapping), +0.00023/-0.00030 (Prayer bead), +0.00014/-0.00014 (LSM)
Error (95% CI): +0.00066/-0.00066 (Bootstrapping), +0.00040/-0.00047 (Prayer bead)
LSM: chi^2 = 2768.5, n_freedom = 492

REF 120/600 + Orion 3G CCD + 0.5x reducer
----- EBFit result: -----
Tmin = 2459345.51443
Error (1 sigma): +0.00032/-0.00031 (Bootstrapping), +0.00048/-0.00053 (Prayer bead), +0.00014/-0.00014 (LSM)
Error (95% CI): +0.00066/-0.00065 (Bootstrapping), +0.00085/-0.00074 (Prayer bead)
LSM: chi^2 = 2334.5, n_freedom = 459

NWT 200/800 + Canon 600D
cmp:UCAC4-774-032252
chk:UCAC4-774-032261

----- EBFit result: -----
Tmin = 2458946.43015
Error (1 sigma): +0.00007/-0.00006 (Bootstrapping), +0.00005/-0.00006 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00012/-0.00012 (Bootstrapping), +0.00007/-0.00009 (Prayer bead)
LSM: chi^2 = 191.0, n_freedom = 118

NWT 200/800 + Canon 600D
cmp:UCAC4-774-032252
chk:UCAC4-774-032261

----- EBFit result: -----
Tmin = 2458945.41616
Error (1 sigma): +0.00027/-0.00034 (Bootstrapping), +0.00023/-0.00038 (Prayer bead), +0.00021/-0.00021 (LSM)
Error (95% CI): +0.00054/-0.00058 (Bootstrapping), +0.00037/-0.00056 (Prayer bead)
LSM: chi^2 = 177.2, n_freedom = 96

Sky-Watcher REF 100/900 + QHY9


----- EBFit result: -----
Tmin = 2458566.60897
Error (1 sigma): +0.00006/-0.00007 (Bootstrapping), +0.00002/-0.00002 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00013/-0.00012 (Bootstrapping), +0.00003/-0.00003 (Prayer bead)
LSM: chi^2 = 973.3, n_freedom = 134

0.40-m f/5 + CCD ST7 + R
# NAME AR Dra
# VAR 12:16:36.55 +64:51:27.3 2442868.9114 0.675838 11.29-12.51 (O-C gateway 20081230)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.24 + AVE 2.51
# NOTE 30/31 XII 2008; R_405_45s (379/145); minimum S
# NOTE 2454831.59203 +/- 0.00020; 20081231 02:12:31 (UT) GEO
# COND fine clear weather

0.40-m f/5 + CCD ST7 + R
# NAME AR Dra
# VAR 12:16:36.55 +64:51:27.3 2442868.9114 0.675838 11.29-12.51 (O-C gateway 20081230)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.24 + AVE 2.51
# NOTE 30/31 XII 2008; R_405_45s (379/145); minimum S
# NOTE 2454831.59203 +/- 0.00020; 20081231 02:12:31 (UT) GEO
# COND fine clear weather