Bresser NWT 200/1000 + CMOS ASI1600mm pro
Clear sky, half moon.
Settings: D2 ASI1600 50s, filter B, -30 ºc, gain 20, o2.4
Cmp. star 1: UCAC4-583-048194 (B-V: 0.07)
Cmp. star 2: UCAC4-583-048206 (B-V: 0.38)
Chk. star 1: UCAC4-583-048205 (B-V: 0.04)
Chk. star 2: UCAC4-583-048187 (B-V: 0.41)

----- EBFit result: -----
Tmin = 2458529.57815
Error (1 sigma): +0.00038/-0.00041 (Bootstrapping), +0.00017/-0.00024 (Prayer bead), +0.00033/-0.00033 (LSM)
Error (95% CI): +0.00082/-0.00073 (Bootstrapping), +0.00036/-0.00034 (Prayer bead)
LSM: chi^2 = 146.9, n_freedom = 82

Bresser NWT 200/1000 + CMOS ASI1600mm pro
Clear sky, half moon.
Settings: D2 ASI1600 20s, filter V, -30 ºc, gain 20, o2.4
Cmp. star 1: UCAC4-583-048194 (B-V: 0.07)
Cmp. star 2: UCAC4-583-048206 (B-V: 0.38)
Chk. star 1: UCAC4-583-048205 (B-V: 0.04)
Chk. star 2: UCAC4-583-048187 (B-V: 0.41)

----- EBFit result: -----
Tmin = 2458529.57704
Error (1 sigma): +0.00028/-0.00034 (Bootstrapping), +0.00010/-0.00014 (Prayer bead), +0.00020/-0.00020 (LSM)
Error (95% CI): +0.00062/-0.00058 (Bootstrapping), +0.00020/-0.00025 (Prayer bead)
LSM: chi^2 = 233.8, n_freedom = 102

CZ Mirotar LNS 180/1000 + DSLR CANON 350D
EW v poli RW Com

D2_C4_60C_1600

----- EBFit result: -----
Tmin = 2458235.34382
Error (1 sigma): +0.00066/-0.00087 (Bootstrapping), +0.00022/-0.00060 (Prayer bead), +0.00076/-0.00076 (LSM)
Error (95% CI): +0.00124/-0.00175 (Bootstrapping), +0.00053/-0.00107 (Prayer bead)
LSM: chi^2 = 38.0, n_freedom = 43

CZ Mirotar LNS 180/1000 + DSLR CANON 350D
EW v poli RW Com

D2_C4_60C_1600

SKY-WATCHER REF 80/520 + MII G2-8300
CCD+Clear, exp 60 s, Comp:UCAC4 583-048187
,2x2 bin.

----- EBFit result: -----
Tmin = 2458202.55392
Error (1 sigma): +0.00039/-0.00039 (Bootstrapping), +0.00012/-0.00014 (Prayer bead), +0.00035/-0.00035 (LSM)
Error (95% CI): +0.00079/-0.00081 (Bootstrapping), +0.00036/-0.00021 (Prayer bead)
LSM: chi^2 = 49.4, n_freedom = 48

SKY-WATCHER REF 80/520 + MII G2-8300
CD+Clear, exp 60 s, Comp:UCAC4 583-048187
,2x2 bin.

RL 0.2m, f/10 + ST-8
TminGJD = 2454170.60686 +/- 0.00014
TminHJD = 2454170.61198 +/- 0.00014
HelCor = 0.00512d
RL200 + G2CCD + R filter
60s exp.