WO REF 51/250 + ZWO ASI1600mm

----- EBFit result: -----
Tmin = 2460176.41066
Error (1 sigma): +0.00033/-0.00032 (Bootstrapping), +0.00013/-0.00011 (Prayer bead), +0.00013/-0.00013 (LSM)
Error (95% CI): +0.00061/-0.00065 (Bootstrapping), +0.00022/-0.00021 (Prayer bead)
LSM: chi^2 = 1013.1, n_freedom = 143

Sct 200/2000 (reduced to 1300) + MI C2-7000A


----- EBFit result: -----
Tmin = 2460176.41072
Error (1 sigma): +0.00021/-0.00019 (Bootstrapping), +0.00009/-0.00009 (Prayer bead), +0.00022/-0.00022 (LSM)
Error (95% CI): +0.00039/-0.00036 (Bootstrapping), +0.00017/-0.00018 (Prayer bead)
LSM: chi^2 = 110.9, n_freedom = 136

Sct 200/2000 (reduced to 1300) + MI C2-7000A

----- EBFit result: -----
TminGJD = 2460176.41073
Error (1 sigma): +0.00017/-0.00021 (Bootstrapping), +0.00010/-0.00010 (Prayer bead), +0.00022/-0.00022 (LSM)
Error (95% CI): +0.00034/-0.00040 (Bootstrapping), +0.00016/-0.00017 (Prayer bead)
LSM: chi^2 = 111.6, n_freedom = 137

SkyWatcher Newton 150/750
#Observatory>Kolonica
#Observer>Matus Kamenec
#Telescope>SkyWatcher 200/1200 / EQ6
#Instrument>Canon EOS 500D
#Filter>Clear
#Exposure>30s ISO 800
#Target>ES UMa
#Position>
#MainComp>
#Source>
#Magnitude system>
#Time system>JD geocentric
#Reduction>Muniwin
#Comment>
----- EBFit result: -----
Tmin = 2460176.41088
Error (1 sigma): +0.00133/-0.00100 (Bootstrapping), +0.00203/-0.00177 (Prayer bead), +0.00019/-0.00019 (LSM)
Error (95% CI): +0.00246/-0.00181 (Bootstrapping), +0.00334/-0.00237 (Prayer bead)
LSM: chi^2 = 1657.4, n_freedom = 91

SkyWatcher Newton 200/1200
#Observatory>Kolonica
#Observer>Matus Kamenec
#Telescope>SkyWatcher 200/1200 / EQ6
#Instrument>Canon EOS 500D
#Filter>Clear
#Exposure>30s ISO 800
#Target>ES UMa
#Position>
#MainComp>
#Source>
#Magnitude system>
#Time system>JD geocentric
#Reduction>Muniwin
#Comment>


----- EBFit result: -----
TminGJD = 2460176.41173
Error (1 sigma): +0.00085/-0.00129 (Bootstrapping), +0.00147/-0.00187 (Prayer bead), +0.00019/-0.00019 (LSM)
Error (95% CI): +0.00183/-0.00230 (Bootstrapping), +0.00303/-0.00320 (Prayer bead)
LSM: chi^2 = 2282.2, n_freedom = 123

NWT, 200/800 + QHY294 Mono + Coma corrector
----- EBFit result: -----
Tmin = 2459911.44882
Error (1 sigma): +0.00017/-0.00019 (Bootstrapping), +0.00012/-0.00010 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00035/-0.00036 (Bootstrapping), +0.00016/-0.00014 (Prayer bead)
LSM: chi^2 = 327.7, n_freedom = 46

GSO NWT 200/1000 + ZWO ASI 178MM
----- EBFit result: -----
Tmin = 2458967.44741
Error (1 sigma): +0.00008/-0.00007 (Bootstrapping), +0.00004/-0.00003 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00015/-0.00014 (Bootstrapping), +0.00005/-0.00004 (Prayer bead)
LSM: chi^2 = 1309.2, n_freedom = 210

GSO NWT 200/1000 + ZWO ASI 178MM
(ES UMa)

----- EBFit result: -----
TminGJD = 2458967.44741
Error (1 sigma): +0.00008/-0.00007 (Bootstrapping), +0.00003/-0.00003 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00016/-0.00014 (Bootstrapping), +0.00005/-0.00004 (Prayer bead)
LSM: chi^2 = 1329.3, n_freedom = 216

NWT 200/800 + Canon 600D

----- EBFit result: -----
Tmin = 2458937.56572
Error (1 sigma): +0.00029/-0.00027 (Bootstrapping), +0.00016/-0.00017 (Prayer bead), +0.00012/-0.00012 (LSM)
Error (95% CI): +0.00056/-0.00057 (Bootstrapping), +0.00026/-0.00027 (Prayer bead)
LSM: chi^2 = 884.1, n_freedom = 159

NWT 200/800 + Canon 600D

----- EBFit result: -----
Tmin = 2458934.39164
Error (1 sigma): +0.00044/-0.00049 (Bootstrapping), +0.00044/-0.00035 (Prayer bead), +0.00025/-0.00025 (LSM)
Error (95% CI): +0.00088/-0.00094 (Bootstrapping), +0.00059/-0.00048 (Prayer bead)
LSM: chi^2 = 200.6, n_freedom = 69

Sky-Watcher REF 100/900 + QHY9
----- EBFit result: -----
Tmin = 2458508.66536
Error (1 sigma): +0.00023/-0.00024 (Bootstrapping), +0.00011/-0.00009 (Prayer bead), +0.00012/-0.00012 (LSM)
Error (95% CI): +0.00043/-0.00048 (Bootstrapping), +0.00023/-0.00015 (Prayer bead)
LSM: chi^2 = 539.1, n_freedom = 160

GSO NWT 200/1000 + ZWO ASI 178MM
----- EBFit result: -----
Tmin = 2458599.36728
Error (1 sigma): +0.00017/-0.00025 (Bootstrapping), +0.00012/-0.00017 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00037/-0.00047 (Bootstrapping), +0.00036/-0.00039 (Prayer bead)
LSM: chi^2 = 638.9, n_freedom = 55

GSO NWT 200/1000 + ZWO ASI 178MM
Náhodně, při fotografování M81, četné přechody oblačnosti, fotografie je z 24.4.2019 - o den dřív

----- EBFit result: -----
TminGJD = 2458599.36723
Error (1 sigma): +0.00023/-0.00020 (Bootstrapping), +0.00025/-0.00013 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00040/-0.00044 (Bootstrapping), +0.00047/-0.00029 (Prayer bead)
LSM: chi^2 = 645.5, n_freedom = 54

Achromatic refractor 120/600, CCD Orion Starshoot 3G
----- EBFit result: -----
Tmin = 2457413.40943
Error (1 sigma): +0.00042/-0.00040 (Bootstrapping), +0.00032/-0.00029 (Prayer bead), +0.00022/-0.00022 (LSM)
Error (95% CI): +0.00081/-0.00075 (Bootstrapping), +0.00054/-0.00052 (Prayer bead)
LSM: chi^2 = 599.5, n_freedom = 253

Schmidt-Newton 0.25m F/4, CCD MX 716
----- EBFit result: -----
Tmin = 2457095.30881
Error (1 sigma): +0.00066/-0.00036 (Bootstrapping), +0.00109/-0.00371 (Prayer bead), +0.00032/-0.00032 (LSM)
Error (95% CI): +0.00110/-0.00096 (Bootstrapping), +0.00367/-0.00615 (Prayer bead)
LSM: chi^2 = 460.9, n_freedom = 183

Newton 200/1200 + SBIG ST8-XME
Měsíc

Newton 200/1200 + SBIG ST8-XME
oblačno

RL 96/400 + HX516 + R
sek. 2454831,54975 +-0,00033 2008-12-31 01:11:38

RL200, f/6 + ST8, guider RF80/600+G1-0300
TminHJD = 2454829.70154 +/- 0.0002

0.25-m f/5 + CCD ST5C + V
# NAME ES UMa
# VAR 09:54:28.60 +69:13:22.0 2449104.3592 0.528904 10.99-11.38 (IBVS_3914)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/5 reflector + CCD ST5C)
# FLT V
# RED CMunipack 1.1.3 + AVE 2.51 (Martin Lehky 05 VII 2007)
# NOTE 03/04 V 2001; V_92_120s (76/24); minimum
# NOTE 2452033.40074 +/- 0.00084; 20010503 21:37:04 (UT) GEO

0.25-m f/5 + CCD ST5C + V
# NAME ES UMa
# VAR 09:54:28.60 +69:13:22.0 2449104.3592 0.528904 10.99-11.38 (IBVS_3914)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/5 reflector + CCD ST5C)
# FLT V
# RED CMunipack 1.1.3 + AVE 2.51 (Martin Lehky 05 VII 2007)
# NOTE 03/04 V 2001; V_92_120s (76/24); minimum
# NOTE 2452033.40074 +/- 0.00084; 20010503 21:37:04 (UT) GEO

0.25-m f/5 + CCD ST5C + V
# NAME ES UMa
# VAR 09:54:28.60 +69:13:22.0 2449104.3592 0.528904 10.99-11.38 (IBVS_3914)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/5 reflector + CCD ST5C)
# FLT V
# RED CMunipack 1.1.3 + AVE 2.51 (Martin Lehky 05 VII 2007)
# NOTE 30 IV/01 V 2001; V_100_120s (35/22); minimum
# NOTE 2452030.49354 +/- 0.00065; 20010430 23:50:42 (UT) GEO

0.25-m f/5 + CCD ST5C + V
# NAME ES UMa
# VAR 09:54:28.60 +69:13:22.0 2449104.3592 0.528904 10.99-11.38 (IBVS_3914)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/5 reflector + CCD ST5C)
# FLT V
# RED CMunipack 1.1.3 + AVE 2.51 (Martin Lehky 05 VII 2007)
# NOTE 30 IV/01 V 2001; V_100_120s (35/22); minimum
# NOTE 2452030.49354 +/- 0.00065; 20010430 23:50:42 (UT) GEO

0.25-m f/5 + CCD ST5C + V
# NAME ES UMa
# VAR 09:54:28.60 +69:13:22.0 2449104.3592 0.528904 10.99-11.38 (IBVS_3914)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/5 reflector + CCD ST5C)
# FLT V
# RED CMunipack 1.1.3 + AVE 2.51 (Martin Lehky 05 VII 2007)
# NOTE 29/30 IV 2001; V_75_120s (69); rise