Sky-Watcher REF 100/900 + QHY9


----- EBFit result: -----
Tmin = 2459910.62815
Error (1 sigma): +0.00021/-0.00020 (Bootstrapping), +0.00024/-0.00036 (Prayer bead), +0.00017/-0.00017 (LSM)
Error (95% CI): +0.00044/-0.00043 (Bootstrapping), +0.00033/-0.00057 (Prayer bead)
LSM: chi^2 = 296.2, n_freedom = 148

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
# NAME V 644 Aur
# VAR 06:18:25.74 +34:29:39.2 2451488.8 0.78045 11.22-11.53R1 EA (VSX 20190404)
# 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 30/31 III 2019; Rc_188_60s (186/86); 3.4h; minimum S
# NOTE 2458573.33609 +/- 0.00016; 20190330 20:03:58 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2458573.33596
Error (1 sigma): +0.00025/-0.00025 (Bootstrapping), +0.00036/-0.00035 (Prayer bead), +0.00017/-0.00017 (LSM)
Error (95% CI): +0.00047/-0.00047 (Bootstrapping), +0.00055/-0.00050 (Prayer bead)
LSM: chi^2 = 258.0, n_freedom = 146

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
# NAME V 644 Aur
# VAR 06:18:25.74 +34:29:39.2 2451488.8 0.78045 11.22-11.53R1 EA (VSX 20190404)
# 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 30/31 III 2019; Rc_188_60s (186/86); 3.4h; minimum S
# NOTE 2458573.33609 +/- 0.00016; 20190330 20:03:58 (UT) GEO
# COND fine clear weather

EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc
# NAME V 644 Aur
# VAR 06:18:25.74 +34:29:39.2 2451488.8 0.78045 11.22-11.53R1 EA (VSX 20190324)
# 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 21/22 III 2019; Rc_100_90s (99/47); 2.6h; minimum P
# NOTE 2458564.35916 +/- 0.00021; 20190321 20:37:11 (UT) GEO
# COND clear weather, full moon period

----- EBFit result: -----
Tmin = 2458564.35916
Error (1 sigma): +0.00026/-0.00027 (Bootstrapping), +0.00012/-0.00021 (Prayer bead), +0.00021/-0.00021 (LSM)
Error (95% CI): +0.00051/-0.00055 (Bootstrapping), +0.00037/-0.00032 (Prayer bead)
LSM: chi^2 = 129.2, n_freedom = 94

EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc
# NAME V 644 Aur
# VAR 06:18:25.74 +34:29:39.2 2451488.8 0.78045 11.22-11.53R1 EA (VSX 20190324)
# 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 21/22 III 2019; Rc_100_90s (99/47); 2.6h; minimum P
# NOTE 2458564.35916 +/- 0.00021; 20190321 20:37:11 (UT) GEO
# COND clear weather, full moon period

NWT 150/600 + MII G2-8300
----- EBFit result: -----
Tmin = 2458564.35805
Error (1 sigma): +0.00015/-0.00018 (Bootstrapping), +0.00008/-0.00007 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00032/-0.00033 (Bootstrapping), +0.00012/-0.00011 (Prayer bead)
LSM: chi^2 = 469.7, n_freedom = 104

MEADE LX200 SBIG ST8-XME


----- EBFit result: -----
Tmin = 2458467.58182
Error (1 sigma): +0.00051/-0.00063 (Bootstrapping), +0.00104/-0.00130 (Prayer bead), +0.00096/-0.00096 (LSM)
Error (95% CI): +0.00098/-0.00118 (Bootstrapping), +0.00185/-0.00311 (Prayer bead)
LSM: chi^2 = 35.6, n_freedom = 139

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME V 644 Aur
# VAR 06:18:25.74 +34:29:39.2 2451488.80000 0.78045 11.22-11.53R1 EA (VSX 20140108)
# 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 19/20 II 2015; Rc_130_60s (98/53); 2.4h; minimum S
# NOTE 2457073.30178 +/- 0.00046; 20150219 19:14:34 (UT) GEO
# COND clear weather (cirrus)

----- EBFit result: -----
Tmin = 2457073.30179
Error (1 sigma): +0.00047/-0.00040 (Bootstrapping), +0.00047/-0.00044 (Prayer bead), +0.00046/-0.00046 (LSM)
Error (95% CI): +0.00080/-0.00076 (Bootstrapping), +0.00077/-0.00055 (Prayer bead)
LSM: chi^2 = 63.1, n_freedom = 93

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME V 644 Aur
# VAR 06:18:25.74 +34:29:39.2 2451488.80000 0.78045 11.22-11.53R1 EA (VSX 20140108)
# 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 19/20 II 2015; Rc_130_60s (98/53); 2.4h; minimum S
# NOTE 2457073.30178 +/- 0.00046; 20150219 19:14:34 (UT) GEO
# COND clear weather (cirrus)

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME V 644 Aur
# VAR 06:18:25.74 +34:29:39.2 2451488.80000 0.78045 11.22-11.53R1 EA (VSX 20140108)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + Peranso 2.50
# NOTE 11/12 III 2014; R_160_60s (151/80); 2.8h; minimum S
# NOTE 2456728.34942 +/- 0.00010; 20140311 20:23:10 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2456728.34978
Error (1 sigma): +0.00019/-0.00021 (Bootstrapping), +0.00016/-0.00015 (Prayer bead), +0.00021/-0.00021 (LSM)
Error (95% CI): +0.00038/-0.00038 (Bootstrapping), +0.00029/-0.00023 (Prayer bead)
LSM: chi^2 = 124.1, n_freedom = 145

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME V 644 Aur
# VAR 06:18:25.74 +34:29:39.2 2451488.80000 0.78045 11.22-11.53R1 EA (VSX 20140108)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + Peranso 2.50
# NOTE 11/12 III 2014; R_160_60s (151/80); 2.8h; minimum S
# NOTE 2456728.34942 +/- 0.00010; 20140311 20:23:10 (UT) GEO
# COND fine clear weather

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME V 644 Aur
# VAR 06:18:25.74 +34:29:39.2 2451488.80000 0.78045 11.22-11.53R1 EA (VSX 20140108)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + Peranso 2.50
# NOTE 08/09 I 2014; R_100_60s (93/43); 1.8h; minimum P
# NOTE 2456666.29789 +/- 0.00014; 20140108 19:08:58 (UT) GEO
# COND clear weather => somewhat cloudy (cirrus or very thick cirrus)

----- EBFit result: -----
Tmin = 2456666.29780
Error (1 sigma): +0.00016/-0.00017 (Bootstrapping), +0.00013/-0.00015 (Prayer bead), +0.00023/-0.00023 (LSM)
Error (95% CI): +0.00033/-0.00036 (Bootstrapping), +0.00033/-0.00028 (Prayer bead)
LSM: chi^2 = 58.8, n_freedom = 88

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME V 644 Aur
# VAR 06:18:25.74 +34:29:39.2 2451488.80000 0.78045 11.22-11.53R1 EA (VSX 20140108)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT R
# RED CMunipack 1.1.26 + Peranso 2.50
# NOTE 08/09 I 2014; R_100_60s (93/43); 1.8h; minimum P
# NOTE 2456666.29789 +/- 0.00014; 20140108 19:08:58 (UT) GEO
# COND clear weather => somewhat cloudy (cirrus or very thick cirrus)