Meade RCT 250/2500 + Optec SSP-5a
PEP data in V

----- EBFit result: -----
Tmin = 2460372.63828
Error (1 sigma): +0.00015/-0.00018 (Bootstrapping), +0.00004/-0.00003 (Prayer bead), +0.00018/-0.00018 (LSM)
Error (95% CI): +0.00031/-0.00034 (Bootstrapping), +0.00008/-0.00005 (Prayer bead)
LSM: chi^2 = 37.4, n_freedom = 46

MEGREZ 88FD 88/498 + FLATTENER III 0.8 - MII G2-8300
CCD+B, exp.35 s., comp. UCAC4-585-020134,2x2.

----- EBFit result: -----
Tmin = 2459982.37133
Error (1 sigma): +0.00060/-0.00058 (Bootstrapping), +0.00020/-0.00021 (Prayer bead), +0.00049/-0.00049 (LSM)
Error (95% CI): +0.00128/-0.00117 (Bootstrapping), +0.00033/-0.00042 (Prayer bead)
LSM: chi^2 = 30.6, n_freedom = 25

MEGREZ 88FD 88/498 + FLATTENER III 0.8 - MII G2-8300
CCD+I, exp.20 s., comp. UCAC4-585-020134,2x2.

----- EBFit result: -----
Tmin = 2459982.37081
Error (1 sigma): +0.00041/-0.00049 (Bootstrapping), +0.00018/-0.00018 (Prayer bead), +0.00035/-0.00035 (LSM)
Error (95% CI): +0.00080/-0.00100 (Bootstrapping), +0.00025/-0.00026 (Prayer bead)
LSM: chi^2 = 37.7, n_freedom = 25

MEGREZ 88FD 88/498 + FLATTENER III 0.8 - MII G2-8300
CCD+R, exp.16 s., comp. UCAC4-585-020134,2x2.

----- EBFit result: -----
Tmin = 2459982.37207
Error (1 sigma): +0.00037/-0.00073 (Bootstrapping), +0.00042/-0.00060 (Prayer bead), +0.00021/-0.00021 (LSM)
Error (95% CI): +0.00085/-0.00146 (Bootstrapping), +0.00084/-0.00104 (Prayer bead)
LSM: chi^2 = 121.3, n_freedom = 26


----- EBFit result: -----
Tmin = 2459982.37207
Error (1 sigma): +0.00037/-0.00073 (Bootstrapping), +0.00042/-0.00060 (Prayer bead), +0.00021/-0.00021 (LSM)
Error (95% CI): +0.00085/-0.00146 (Bootstrapping), +0.00084/-0.00104 (Prayer bead)
LSM: chi^2 = 121.3, n_freedom = 26

MEGREZ 88FD 88/498 + FLATTENER III 0.8 - MII G2-8300
CCD+V, exp.25 s., comp. UCAC4-585-020134,2x2.

----- EBFit result: -----
Tmin = 2459982.37132
Error (1 sigma): +0.00054/-0.00053 (Bootstrapping), +0.00012/-0.00015 (Prayer bead), +0.00045/-0.00045 (LSM)
Error (95% CI): +0.00120/-0.00107 (Bootstrapping), +0.00057/-0.00042 (Prayer bead)
LSM: chi^2 = 30.3, n_freedom = 27

MEGREZ 88FD 88/498 + FLATTENER III 0.8 - MII G2-8300
CCD+I, exp.20 s., comp. UCAC4-585-020134,2x2.

MEGREZ 88FD 88/498 + FLATTENER III 0.8 - MII G2-8300
CCD+R, exp.16 s., comp. UCAC4-585-020134,2x2.

MEGREZ 88FD 88/498 + FLATTENER III 0.8 - MII G2-8300
CCD+V, exp.25 s., comp. UCAC4-585-020134,2x2.

MEGREZ 88FD 88/498 + FLATTENER III 0.8 - MII G2-8300
CCD+B, exp.35 s., comp. UCAC4-585-020134,2x2.

Meade RCT 250/2500 + Optec SSP-5a
PEP data in V

----- EBFit result: -----
Tmin = 2459935.63406
Error (1 sigma): +0.00022/-0.00022 (Bootstrapping), +0.00010/-0.00006 (Prayer bead), +0.00024/-0.00024 (LSM)
Error (95% CI): +0.00041/-0.00044 (Bootstrapping), +0.00014/-0.00010 (Prayer bead)
LSM: chi^2 = 43.0, n_freedom = 59

SkyWatcher REF 102/500
SkyWatcher REF 102/500
#Observatory>Presov
#Observer>Matus Kamenec
#Telescope>SkyWatcher 102/500 / EQ3-2 GoTo
#Instrument>Canon EOS 500D
#Filter>V (G - channel converted)
#Exposure>15s ISO 400
#Target>V781 Tau
#Position>
#MainComp>
#Source>
#Magnitude system>
#Time system>JD geocentric
#Reduction>Muniwin
#Comment>

----- EBFit result: -----
TminGJD = 2459667.30045
Error (1 sigma): +0.00024/-0.00024 (Bootstrapping), +0.00006/-0.00007 (Prayer bead), +0.00010/-0.00010 (LSM)
Error (95% CI): +0.00047/-0.00050 (Bootstrapping), +0.00014/-0.00010 (Prayer bead)
LSM: chi^2 = 854.1, n_freedom = 141

SkyWatcher REF 102/500
SkyWatcher REF 102/500
#Observatory>Presov
#Observer>Matus Kamenec
#Telescope>SkyWatcher 102/500 / EQ3-2 GoTo
#Instrument>Canon EOS 500D
#Filter>V (G - channel converted)
#Exposure>15s ISO 400
#Target>V781 Tau
#Position>
#MainComp>
#Source>
#Magnitude system>
#Time system>JD geocentric
#Reduction>Muniwin
#Comment>

----- EBFit result: -----
TminGJD = 2459666.26647
Error (1 sigma): +0.00023/-0.00022 (Bootstrapping), +0.00008/-0.00009 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI): +0.00043/-0.00043 (Bootstrapping), +0.00013/-0.00015 (Prayer bead)
LSM: chi^2 = 348.2, n_freedom = 85

Meade RCT 250/2500 + Optec SSP-5a
PEP data in V

----- EBFit result: -----
Tmin = 2459583.65415
Error (1 sigma): +0.00016/-0.00015 (Bootstrapping), +0.00004/-0.00003 (Prayer bead), +0.00017/-0.00017 (LSM)
Error (95% CI): +0.00030/-0.00030 (Bootstrapping), +0.00005/-0.00006 (Prayer bead)
LSM: chi^2 = 51.6, n_freedom = 51

Meade RCT 250/2500 + Optec SSP-5a
PEP data in V

----- EBFit result: -----
Tmin = 2459265.65035
Error (1 sigma): +0.00011/-0.00012 (Bootstrapping), +0.00009/-0.00009 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI): +0.00023/-0.00022 (Bootstrapping), +0.00015/-0.00013 (Prayer bead)
LSM: chi^2 = 74.2, n_freedom = 60

Meade RCT 250/2500 + Optec SSP-5a
PEP data in V

----- EBFit result: -----
Tmin = 2459217.70547
Error (1 sigma): +0.00018/-0.00015 (Bootstrapping), +0.00005/-0.00004 (Prayer bead), +0.00014/-0.00014 (LSM)
Error (95% CI): +0.00031/-0.00031 (Bootstrapping), +0.00009/-0.00007 (Prayer bead)
LSM: chi^2 = 48.4, n_freedom = 39

Meade RCT 250/2500 + Optec SSP-5a
PEP data in V

----- EBFit result: -----
Tmin = 2458182.63082
Error (1 sigma): +0.00013/-0.00013 (Bootstrapping), +0.00005/-0.00005 (Prayer bead), +0.00119/-0.00119 (LSM)
Error (95% CI): +0.00025/-0.00025 (Bootstrapping), +0.00011/-0.00009 (Prayer bead)
LSM: chi^2 = 0.6, n_freedom = 45

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
# NAME V 781 Tau
# VAR 05:50:13.12 +26:57:43.4 2454501.58800 0.344909 8.9-9.3p EW/KW (VSX 20111130)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT Rc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 31 X / 01 XI 2015; Rc_215_60s (141/76); minimum S and maximum
# NOTE 2457327.59948 +/- 0.00008; 20151101 02:23:15 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457327.59950
Error (1 sigma): +0.00009/-0.00010 (Bootstrapping), +0.00003/-0.00003 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI): +0.00019/-0.00020 (Bootstrapping), +0.00007/-0.00006 (Prayer bead)
LSM: chi^2 = 117.1, n_freedom = 71

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
# NAME V 781 Tau
# VAR 05:50:13.12 +26:57:43.4 2454501.58800 0.344909 8.9-9.3p EW/KW (VSX 20111130)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT Rc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 31 X / 01 XI 2015; Rc_215_60s (141/76); minimum S and maximum
# NOTE 2457327.59948 +/- 0.00008; 20151101 02:23:15 (UT) GEO
# COND fine clear weather

LNS 50/280 + Canon 20D
Ohnisko 280mm, EQ pántový stolček s elektr. pohonom

----- EBFit result: -----
Tmin = 2456966.48069
Error (1 sigma): +0.00044/-0.00040 (Bootstrapping), +0.00012/-0.00012 (Prayer bead), +0.00023/-0.00023 (LSM)
Error (95% CI): +0.00087/-0.00082 (Bootstrapping), +0.00019/-0.00015 (Prayer bead)
LSM: chi^2 = 122.3, n_freedom = 45


----- EBFit result: -----
Tmin = 2456966.48060
Error (1 sigma): +0.00039/-0.00040 (Bootstrapping), +0.00014/-0.00014 (Prayer bead), +0.00024/-0.00024 (LSM)
Error (95% CI): +0.00088/-0.00076 (Bootstrapping), +0.00026/-0.00017 (Prayer bead)
LSM: chi^2 = 112.3, n_freedom = 39


----- EBFit result: -----
Tmin = 2456966.48060
Error (1 sigma): +0.00038/-0.00045 (Bootstrapping), +0.00015/-0.00014 (Prayer bead), +0.00024/-0.00024 (LSM)
Error (95% CI): +0.00078/-0.00082 (Bootstrapping), +0.00025/-0.00016 (Prayer bead)
LSM: chi^2 = 112.3, n_freedom = 39


----- EBFit result: -----
Tmin = 2456966.48067
Error (1 sigma): +0.00042/-0.00039 (Bootstrapping), +0.00016/-0.00015 (Prayer bead), +0.00024/-0.00024 (LSM)
Error (95% CI): +0.00079/-0.00078 (Bootstrapping), +0.00030/-0.00021 (Prayer bead)
LSM: chi^2 = 117.4, n_freedom = 40

Refraktor 90/500 + Canon 450D
exp 60s; Differential photometry with C-Munipack

Sonnar 4/135, ATIK 16IC, EQ1-Table Top
1bin, exp 40s, na Brno vyborne podminky, -10°C, mereni zkoncilo na obzoru

Astro-Tech 8\\\\\\\\\\\\\\\" RC, AP1200GTO GEM, Atik 314L+ cooled mono CCD
Clear sky. Temps 5 to -2C. Moon waxing gibbous 90%

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME V 781 Tau
# VAR 05:50:13.12 +26:57:43.4 2454501.58800 0.344909 8.9-9.3p EW/KW (VSX 20111130)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + AVE 2.51
# NOTE 28/29 XI 2011; R_284_60s (240/159); minimum P
# NOTE 2455894.66865 +/- 0.00008; 20111129 04:02:51 (UT) GEO
# COND nice clear weather

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME V 781 Tau
# VAR 05:50:13.12 +26:57:43.4 2454501.58800 0.344909 8.9-9.3p EW/KW (VSX 20111130)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + AVE 2.51
# NOTE 28/29 XI 2011; R_284_60s (240/159); minimum P
# NOTE 2455894.66865 +/- 0.00008; 20111129 04:02:51 (UT) GEO
# COND nice clear weather