NWT 150/600 + MII G2-8300
----- EBFit result: -----
Tmin = 2458939.34656
Error (1 sigma): +0.00026/-0.00027 (Bootstrapping), +0.00037/-0.00041 (Prayer bead), +0.00012/-0.00012 (LSM)
Error (95% CI): +0.00054/-0.00057 (Bootstrapping), +0.00062/-0.00058 (Prayer bead)
LSM: chi^2 = 668.9, n_freedom = 153

HK25, NWT 250/1000 + SBIG ST-7 + Rc
# NAME HN Cnc
# VAR 08:15:46.83 +16:21:56.4 2451968.495 0.494514 11.13-11.54V EW (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 01/02 IV 2019; Rc_121_60s (112/56); 2.2h; minimum S
# NOTE 2458575.38510 +/- 0.00021; 20190401 21:14:33 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2458575.38510
Error (1 sigma): +0.00020/-0.00018 (Bootstrapping), +0.00009/-0.00009 (Prayer bead), +0.00021/-0.00021 (LSM)
Error (95% CI): +0.00038/-0.00035 (Bootstrapping), +0.00016/-0.00018 (Prayer bead)
LSM: chi^2 = 87.3, n_freedom = 107

HK25, NWT 250/1000 + SBIG ST-7 + C
# NAME HN Cnc
# VAR 08:15:46.83 +16:21:56.4 2451968.495 0.494514 11.13-11.54V EW (VSX 20170327)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# FLT C
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 26/27 III 2017; C_130_60s (129/58); 2.3h; minimum P
# NOTE 2457839.30722 +/- 0.00016; 20170326 19:22:24 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457839.30722
Error (1 sigma): +0.00018/-0.00020 (Bootstrapping), +0.00015/-0.00013 (Prayer bead), +0.00016/-0.00016 (LSM)
Error (95% CI): +0.00036/-0.00035 (Bootstrapping), +0.00021/-0.00016 (Prayer bead)
LSM: chi^2 = 164.1, n_freedom = 124

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME HN Cnc
# VAR 08:15:46.83 +16:21:56.4 2451968.4950 0.494514 11.13-11.54V EW (VSX 20110208)
# 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 15/16 II 2015; Rc_170_60s (150/68); 3.1h; minimum P
# NOTE 2457069.35695 +/- 0.00017; 20150215 20:34:00 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457069.35695
Error (1 sigma): +0.00018/-0.00020 (Bootstrapping), +0.00014/-0.00011 (Prayer bead), +0.00017/-0.00017 (LSM)
Error (95% CI): +0.00036/-0.00037 (Bootstrapping), +0.00023/-0.00017 (Prayer bead)
LSM: chi^2 = 152.2, n_freedom = 145

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME HN Cnc
# VAR 08:15:46.83 +16:21:56.4 2451968.4950 0.494514 11.13-11.54V EW (VSX 20110208)
# 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 20/21 III 2014; R_100_60s (99/40); 2.0h; minimum S
# NOTE 2456737.29893 +/- 0.00013; 20140320 19:10:28 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2456737.29807
Error (1 sigma): +0.00023/-0.00024 (Bootstrapping), +0.00021/-0.00021 (Prayer bead), +0.00024/-0.00024 (LSM)
Error (95% CI): +0.00047/-0.00047 (Bootstrapping), +0.00025/-0.00030 (Prayer bead)
LSM: chi^2 = 77.0, n_freedom = 89

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME HN Cnc
# VAR 08:15:46.83 +16:21:56.4 2451968.4950 0.494514 11.13-11.54V EW (VSX 20110208)
# 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 27/28 II 2014; R_96_60s (72/35); 2.3h; minimum P
# NOTE 2456716.27999 +/- 0.00083; 20140227 18:43:11 (UT) GEO
# COND clear weather => somewhat cloudy => clear weather

----- EBFit result: -----
Tmin = 2456716.27999
Error (1 sigma): +0.00061/-0.00063 (Bootstrapping), +0.00042/-0.00041 (Prayer bead), +0.00083/-0.00083 (LSM)
Error (95% CI): +0.00128/-0.00116 (Bootstrapping), +0.00091/-0.00075 (Prayer bead)
LSM: chi^2 = 49.8, n_freedom = 67

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME HN Cnc
# VAR 08:15:46.83 +16:21:56.4 2451968.4950 0.494514 11.13-11.54V EW (VSX 20110208)
# 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 15/16 IV 2013; R_105_60s (105/48); 1.9h; minimum P
# NOTE 2456398.31843 +/- 0.00012; 20130415 19:38:32 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2456398.31784
Error (1 sigma): +0.00023/-0.00025 (Bootstrapping), +0.00011/-0.00007 (Prayer bead), +0.00020/-0.00020 (LSM)
Error (95% CI): +0.00045/-0.00050 (Bootstrapping), +0.00018/-0.00018 (Prayer bead)
LSM: chi^2 = 149.5, n_freedom = 100

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME HN Cnc
# VAR 08:15:46.83 +16:21:56.4 2451968.4950 0.494514 11.13-11.54V EW (VSX 20110208)
# 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 24/25 III 2013; R_120_60s (113/56); 2.1h; minimum S
# NOTE 2456376.31003 +/- 0.00015; 20130324 19:26:27 (UT) GEO
# COND clear weather (cirrus)

----- EBFit result: -----
Tmin = 2456376.30950
Error (1 sigma): +0.00030/-0.00031 (Bootstrapping), +0.00010/-0.00010 (Prayer bead), +0.00029/-0.00029 (LSM)
Error (95% CI): +0.00063/-0.00056 (Bootstrapping), +0.00017/-0.00018 (Prayer bead)
LSM: chi^2 = 102.4, n_freedom = 108

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME HN Cnc
# VAR 08:15:46.83 +16:21:56.4 2451968.4950 0.494514 11.13-11.54V EW (VSX 20110208)
# 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 03/04 II 2012; R_300_60s (279/48); minimum S and maximum
# NOTE 2455961.41431 +/- 0.00024; 20120203 21:56:36 (UT) GEO
# COND clear weather

EQ6 + 0.25-m f/5 + CCD ST7 + R
# NAME HN Cnc
# VAR 08:15:46.83 +16:21:56.4 2451968.4950 0.494514 11.13-11.54V EW (VSX 20110208)
# 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 03/04 III 2011; R_190_60s (187/100); minimum P
# NOTE 2455624.40756 +/- 0.00013; 20110303 21:46:53 (UT) GEO
# COND clear weather

EQ6 + 0.25-m f/5 + CCD ST7 + R
# NAME HN Cnc
# VAR 08:15:46.83 +16:21:56.4 2451968.4950 0.494514 11.13-11.54V EW (VSX 20110208)
# 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 06/07 II 2011; R_133_60s (125/59); minimum S
# NOTE 2455599.43467 +/- 0.00052; 20110206 22:25:55 (UT) GEO
# COND somewhat cloudy (very thick cirrus) -> clear weather