Récent

Nouveau minimum 13/06/2025

DW UMa

Martin Bažo, backyard, 6/12/2025

sw200/1000 QHY 9

. . .

Nouvelle observation 13/06/2025

DW UMa

Martin Bažo, backyard, 6/12/2025

sw200/1000 QHY 9

. . .

Nouveau minimum 23/07/2020

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2451605.97651 0.1366065324 13.6-18.0V NL/VY+E (VSX 20200413)
# 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 07/08 IV 2020; Rc_180_90s (170); 5.0h; minimum P and minimum P
# NOTE 2458947.34608 +/- 0.00039; 20200407 20:18:21 (UT) GEO
# NOTE 2458947.48325 +/- 0.00040; 20200407 23:35:53 (UT) GEO
# COND clear weather, full moon period

----- EBFit result: -----
Tmin = 2458947.48325
Error (1 sigma): +0.00026/-0.00022 (Bootstrapping), +0.00016/-0.00006 (Prayer bead), +0.00040/-0.00040 (LSM)
Error (95% CI): +0.00058/-0.00047 (Bootstrapping), +0.00021/-0.00014 (Prayer bead)
LSM: chi^2 = 11.5, n_freedom = 20

. . .

Nouveau minimum 23/07/2020

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2451605.97651 0.1366065324 13.6-18.0V NL/VY+E (VSX 20200413)
# 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 07/08 IV 2020; Rc_180_90s (170); 5.0h; minimum P and minimum P
# NOTE 2458947.34608 +/- 0.00039; 20200407 20:18:21 (UT) GEO
# NOTE 2458947.48325 +/- 0.00040; 20200407 23:35:53 (UT) GEO
# COND clear weather, full moon period

----- EBFit result: -----
Tmin = 2458947.34612
Error (1 sigma): +0.00054/-0.00041 (Bootstrapping), +0.00109/-0.00110 (Prayer bead), +0.00042/-0.00042 (LSM)
Error (95% CI): +0.00106/-0.00113 (Bootstrapping), +0.00153/-0.00277 (Prayer bead)
LSM: chi^2 = 27.6, n_freedom = 22

. . .

Nouvelle observation 23/07/2020

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

. . .

Nouveau minimum 28/03/2019

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc

EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2451605.97651 0.1366065324 13.6-18.0V NL/VY+E (VSX 20190220)
# 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 22/23 III 2019; Rc_122_90s (118/109); 3.2h; minimum P
# NOTE 2458565.39467 +/- 0.00021; 20190322 21:28:19 (UT) GEO
# COND clear weather, full moon period

----- EBFit result: -----
Tmin = 2458565.39466
Error (1 sigma): +0.00019/-0.00032 (Bootstrapping), +0.00014/-0.00020 (Prayer bead), +0.00021/-0.00021 (LSM)
Error (95% CI): +0.00044/-0.00053 (Bootstrapping), +0.00027/-0.00031 (Prayer bead)
LSM: chi^2 = 18.5, n_freedom = 17

. . .

Nouvelle observation 28/03/2019

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc

. . .

Nouveau minimum 24/02/2019

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc

EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2451605.97651 0.1366065324 13.6-18.0V NL/VY+E (VSX 20190220)
# 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 17/18 II 2019; Rc_260_90s (225); 6.7h; minimum P, minimum P
# NOTE 2458532.33436 +/- 0.00076; 20190217 20:01:29 (UT) GEO
# NOTE 2458532.47037 +/- 0.00063; 20190217 23:17:20 (UT) GEO
# COND clear weather, full moon period

----- EBFit result: -----
Tmin = 2458532.47045
Error (1 sigma): +0.00059/-0.00051 (Bootstrapping), +0.00018/-0.00019 (Prayer bead), +0.00065/-0.00065 (LSM)
Error (95% CI): +0.00140/-0.00107 (Bootstrapping), +0.00034/-0.00062 (Prayer bead)
LSM: chi^2 = 11.0, n_freedom = 22

. . .

Nouvelle observation 24/02/2019

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc

. . .

Nouveau minimum 24/02/2019

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc

EQ6 + 0.25-m f/4 + CCD ST7 + BVRcIc
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2451605.97651 0.1366065324 13.6-18.0V NL/VY+E (VSX 20190220)
# 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 17/18 II 2019; Rc_260_90s (225); 6.7h; minimum P, minimum P
# NOTE 2458532.33436 +/- 0.00076; 20190217 20:01:29 (UT) GEO
# NOTE 2458532.47037 +/- 0.00063; 20190217 23:17:20 (UT) GEO
# COND clear weather, full moon period

----- EBFit result: -----
Tmin = 2458532.33453
Error (1 sigma): +0.00091/-0.00049 (Bootstrapping), +0.00106/-0.00105 (Prayer bead), +0.00072/-0.00072 (LSM)
Error (95% CI): +0.00368/-0.00086 (Bootstrapping), +0.00280/-0.00149 (Prayer bead)
LSM: chi^2 = 16.7, n_freedom = 13

. . .

Nouveau minimum 14/10/2018

DW UMa

Vojtěch Školník, Broumov NMO

Meade SCT 200/2000 + Meade DSI Pro II

Meade SCT 200/2000 + Meade DSI Pro II

----- EBFit result: -----
Tmin = 2458402.56383
Error (1 sigma): +0.00008/-0.00008 (Bootstrapping), +0.00005/-0.00006 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00015/-0.00016 (Bootstrapping), +0.00008/-0.00012 (Prayer bead)
LSM: chi^2 = 71.7, n_freedom = 43

. . .

Nouvelle observation 14/10/2018

DW UMa

Vojtěch Školník, Broumov NMO

Meade SCT 200/2000 + Meade DSI Pro II

Meade SCT 200/2000 + Meade DSI Pro II

----- EBFit result: -----
TminGJD = 2458402.56383
Error (1 sigma): +0.00008/-0.00008 (Bootstrapping), +0.00005/-0.00004 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00017/-0.00015 (Bootstrapping), +0.00007/-0.00011 (Prayer bead)
LSM: chi^2 = 70.1, n_freedom = 42

. . .

Nouveau minimum 11/05/2018

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2451605.97651 0.1366065324 13.6-18.0V NL/VY+E (VSX 20180415)
# 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 14/15 IV 2018; Rc_188_90s (163); 5.4h; minimum P, minimum P
# NOTE 2458223.33361 +/- 0.00029; 20180414 20:00:24 (UT) GEO
# NOTE 2458223.46993 +/- 0.00037; 20180414 23:16:42 (UT) GEO
# COND clear weather => somewhat cloudy (thick cirrus)

----- EBFit result: -----
Tmin = 2458223.47011
Error (1 sigma): +0.00036/-0.00035 (Bootstrapping), +0.00011/-0.00012 (Prayer bead), +0.00034/-0.00034 (LSM)
Error (95% CI): +0.00068/-0.00082 (Bootstrapping), +0.00026/-0.00039 (Prayer bead)
LSM: chi^2 = 13.4, n_freedom = 17

. . .

Nouveau minimum 11/05/2018

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2451605.97651 0.1366065324 13.6-18.0V NL/VY+E (VSX 20180415)
# 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 14/15 IV 2018; Rc_188_90s (163); 5.4h; minimum P, minimum P
# NOTE 2458223.33361 +/- 0.00029; 20180414 20:00:24 (UT) GEO
# NOTE 2458223.46993 +/- 0.00037; 20180414 23:16:42 (UT) GEO
# COND clear weather => somewhat cloudy (thick cirrus)

----- EBFit result: -----
Tmin = 2458223.33457
Error (1 sigma): +0.00054/-0.00124 (Bootstrapping), +0.00082/-0.00102 (Prayer bead), +0.00027/-0.00027 (LSM)
Error (95% CI): +0.00102/-0.00148 (Bootstrapping), +0.00151/-0.00175 (Prayer bead)
LSM: chi^2 = 40.0, n_freedom = 16

----- EBFit result: -----
Tmin = 2458223.33339
Error (1 sigma): +0.00023/-0.00017 (Bootstrapping), +0.00013/-0.00009 (Prayer bead), +0.00031/-0.00031 (LSM)
Error (95% CI): +0.00060/-0.00041 (Bootstrapping), +0.00018/-0.00032 (Prayer bead)
LSM: chi^2 = 8.0, n_freedom = 18

. . .

Nouvelle observation 11/05/2018

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

. . .

Nouveau minimum 13/04/2017

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
JD V-C2 s1 V-C s2 V-C1 s3 C-C1 s4 C-C2 s5 C1-C2 s6 !!!

# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2446229.006 0.136606547 13.6-18.0V NL/VY+E (VSX 20170328)
# 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 27/28 III 2017; Rc_255_90s (230); 7.1h; minimum P, minimum P, minimum P
# NOTE 2457840.28651 +/- 0.00029; 20170327 18:52:34 (UT) GEO
# NOTE 2457840.42299 +/- 0.00028; 20170327 22:09:06 (UT) GEO
# NOTE 2457840.55984 +/- 0.00034; 20170328 01:26:10 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457840.55988
Error (1 sigma): +0.00040/-0.00033 (Bootstrapping), +0.00025/-0.00023 (Prayer bead), +0.00032/-0.00032 (LSM)
Error (95% CI): +0.00089/-0.00070 (Bootstrapping), +0.00032/-0.00038 (Prayer bead)
LSM: chi^2 = 26.3, n_freedom = 17

. . .

Nouveau minimum 13/04/2017

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
JD V-C2 s1 V-C s2 V-C1 s3 C-C1 s4 C-C2 s5 C1-C2 s6 !!!

# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2446229.006 0.136606547 13.6-18.0V NL/VY+E (VSX 20170328)
# 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 27/28 III 2017; Rc_255_90s (230); 7.1h; minimum P, minimum P, minimum P
# NOTE 2457840.28651 +/- 0.00029; 20170327 18:52:34 (UT) GEO
# NOTE 2457840.42299 +/- 0.00028; 20170327 22:09:06 (UT) GEO
# NOTE 2457840.55984 +/- 0.00034; 20170328 01:26:10 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457840.42298
Error (1 sigma): +0.00033/-0.00023 (Bootstrapping), +0.00007/-0.00006 (Prayer bead), +0.00028/-0.00028 (LSM)
Error (95% CI): +0.00069/-0.00043 (Bootstrapping), +0.00018/-0.00024 (Prayer bead)
LSM: chi^2 = 11.2, n_freedom = 14

. . .

Nouveau minimum 13/04/2017

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
JD V-C2 s1 V-C s2 V-C1 s3 C-C1 s4 C-C2 s5 C1-C2 s6 !!!

# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2446229.006 0.136606547 13.6-18.0V NL/VY+E (VSX 20170328)
# 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 27/28 III 2017; Rc_255_90s (230); 7.1h; minimum P, minimum P, minimum P
# NOTE 2457840.28651 +/- 0.00029; 20170327 18:52:34 (UT) GEO
# NOTE 2457840.42299 +/- 0.00028; 20170327 22:09:06 (UT) GEO
# NOTE 2457840.55984 +/- 0.00034; 20170328 01:26:10 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457840.28646
Error (1 sigma): +0.00033/-0.00036 (Bootstrapping), +0.00042/-0.00037 (Prayer bead), +0.00029/-0.00029 (LSM)
Error (95% CI): +0.00084/-0.00074 (Bootstrapping), +0.00053/-0.00088 (Prayer bead)
LSM: chi^2 = 26.3, n_freedom = 21

. . .

Nouvelle observation 13/04/2017

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

. . .

Nouveau minimum 24/01/2016

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2452500.0661 0.13660657 13.6-18.0V NL/VY+E (VSX 20110301)
# 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 22/23 I 2016; Rc_230_90s (209); 6.3h; minimum P, minimum P
# NOTE 2457410.38588 +/- 0.00040; 20160122 21:15:40 (UT) GEO
# NOTE 2457410.52174 +/- 0.00029; 20160123 00:31:18 (UT) GEO
# COND clear weather; full Moon period

----- EBFit result: -----
Tmin = 2457410.52177
Error (1 sigma): +0.00017/-0.00018 (Bootstrapping), +0.00010/-0.00008 (Prayer bead), +0.00029/-0.00029 (LSM)
Error (95% CI): +0.00041/-0.00034 (Bootstrapping), +0.00017/-0.00011 (Prayer bead)
LSM: chi^2 = 10.1, n_freedom = 19

. . .

Nouvelle observation 24/01/2016

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

. . .

Nouveau minimum 24/01/2016

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + Rc

EQ6 + 0.25-m f/4 + CCD ST7 + Rc
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2452500.0661 0.13660657 13.6-18.0V NL/VY+E (VSX 20110301)
# 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 22/23 I 2016; Rc_230_90s (209); 6.3h; minimum P, minimum P
# NOTE 2457410.38588 +/- 0.00040; 20160122 21:15:40 (UT) GEO
# NOTE 2457410.52174 +/- 0.00029; 20160123 00:31:18 (UT) GEO
# COND clear weather; full Moon period

----- EBFit result: -----
Tmin = 2457410.38599
Error (1 sigma): +0.00036/-0.00048 (Bootstrapping), +0.00042/-0.00053 (Prayer bead), +0.00040/-0.00040 (LSM)
Error (95% CI): +0.00134/-0.00096 (Bootstrapping), +0.00054/-0.00061 (Prayer bead)
LSM: chi^2 = 18.0, n_freedom = 17

. . .

Nouveau minimum 16/05/2015

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2452500.0661 0.13660657 13.6-18.0V NL/VY+E (VSX 20110301)
# 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 16/17 II 2014; Rc_200_90s (185/74); 5.6h; minimum P
# NOTE 2457070.37019 +/- 0.00020; 20150216 20:53:04 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2457070.37018
Error (1 sigma): +0.00015/-0.00015 (Bootstrapping), +0.00010/-0.00012 (Prayer bead), +0.00020/-0.00020 (LSM)
Error (95% CI): +0.00032/-0.00029 (Bootstrapping), +0.00017/-0.00015 (Prayer bead)
LSM: chi^2 = 23.2, n_freedom = 24

. . .

Nouvelle observation 16/05/2015

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2452500.0661 0.13660657 13.6-18.0V NL/VY+E (VSX 20110301)
# 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 16/17 II 2014; Rc_200_90s (185/74); 5.6h; minimum P
# NOTE 2457070.37019 +/- 0.00020; 20150216 20:53:04 (UT) GEO
# COND fine clear weather

. . .

Nouveau minimum 25/04/2014

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2452500.0661 0.13660657 13.6-18.0V NL/VY+E (VSX 20110301)
# 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 01/02 III 2014; R_119_90s (112/79); 3.3h; minimum P
# NOTE 2456718.47198 +/- 0.00020; 20140301 23:19:39 (UT) GEO
# COND clear weather

----- EBFit result: -----
Tmin = 2456718.47226
Error (1 sigma): +0.00021/-0.00021 (Bootstrapping), +0.00016/-0.00017 (Prayer bead), +0.00021/-0.00021 (LSM)
Error (95% CI): +0.00039/-0.00048 (Bootstrapping), +0.00024/-0.00031 (Prayer bead)
LSM: chi^2 = 32.1, n_freedom = 19

. . .

Nouvelle observation 25/04/2014

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

. . .

Nouveau minimum 16/02/2014

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2452500.0661 0.13660657 13.6-18.0V NL/VY+E (VSX 20110301)
# 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 03/04 II 2014; R_200_90s (193); 5.6h; minimum P, minimum P
# NOTE 2456692.51685 +/- 0.00016; 20140204 00:24:16 (UT) GEO
# NOTE 2456692.65285 +/- 0.00010; 20140204 03:40:06 (UT) GEO
# COND nice clear weather (gusty wind)

----- EBFit result: -----
Tmin = 2456692.65262
Error (1 sigma): +0.00016/-0.00012 (Bootstrapping), +0.00016/-0.00017 (Prayer bead), +0.00016/-0.00016 (LSM)
Error (95% CI): +0.00030/-0.00026 (Bootstrapping), +0.00024/-0.00029 (Prayer bead)
LSM: chi^2 = 29.9, n_freedom = 34

. . .

Nouveau minimum 16/02/2014

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2452500.0661 0.13660657 13.6-18.0V NL/VY+E (VSX 20110301)
# 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 03/04 II 2014; R_200_90s (193); 5.6h; minimum P, minimum P
# NOTE 2456692.51685 +/- 0.00016; 20140204 00:24:16 (UT) GEO
# NOTE 2456692.65285 +/- 0.00010; 20140204 03:40:06 (UT) GEO
# COND nice clear weather (gusty wind)

----- EBFit result: -----
Tmin = 2456692.51652
Error (1 sigma): +0.00015/-0.00016 (Bootstrapping), +0.00009/-0.00011 (Prayer bead), +0.00013/-0.00013 (LSM)
Error (95% CI): +0.00029/-0.00034 (Bootstrapping), +0.00014/-0.00020 (Prayer bead)
LSM: chi^2 = 33.6, n_freedom = 30

. . .

Nouvelle observation 16/02/2014

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

. . .

Nouveau minimum 10/03/2013

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2452500.0661 0.13660657 13.6-18.0V NL/VY+E (VSX 20110301)
# 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 04/05 III 2013; R_235_90s (229); 6.5h; minimum P, minimum P
# NOTE 2456356.46498 +/- 0.00010; 20130304 23:09:34 (UT) GEO
# NOTE 2456356.60196 +/- 0.00009; 20130305 02:26:49 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2456356.60190
Error (1 sigma): +0.00014/-0.00013 (Bootstrapping), +0.00009/-0.00009 (Prayer bead), +0.00011/-0.00011 (LSM)
Error (95% CI): +0.00032/-0.00026 (Bootstrapping), +0.00015/-0.00010 (Prayer bead)
LSM: chi^2 = 54.9, n_freedom = 35

. . .

Nouveau minimum 10/03/2013

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

EQ6 + 0.25-m f/4 + CCD ST7 + R
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2452500.0661 0.13660657 13.6-18.0V NL/VY+E (VSX 20110301)
# 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 04/05 III 2013; R_235_90s (229); 6.5h; minimum P, minimum P
# NOTE 2456356.46498 +/- 0.00010; 20130304 23:09:34 (UT) GEO
# NOTE 2456356.60196 +/- 0.00009; 20130305 02:26:49 (UT) GEO
# COND fine clear weather

----- EBFit result: -----
Tmin = 2456356.46494
Error (1 sigma): +0.00008/-0.00010 (Bootstrapping), +0.00012/-0.00009 (Prayer bead), +0.00008/-0.00008 (LSM)
Error (95% CI): +0.00021/-0.00021 (Bootstrapping), +0.00015/-0.00010 (Prayer bead)
LSM: chi^2 = 99.2, n_freedom = 38

. . .

Nouvelle observation 10/03/2013

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

. . .

Nouvelle observation 10/05/2012

DW UMa

Marek Chrastina, Brno, MonteBoo

Newton 620/2780 + SBIG ST-8XME + BVRI

Newton 620/2780 + SBIG ST-8XME + BVRI
v poli LP UMa

. . .

Nouvelle observation 10/05/2012

DW UMa

Marek Chrastina, Brno, MonteBoo

Newton 620/2780 + SBIG ST-8XME + BVRI

Newton 620/2780 + SBIG ST-8XME + BVRI
v poli LP UMa

. . .

Nouveau minimum 27/02/2012

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

. . .

Nouveau minimum 27/02/2012

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

. . .

Nouvelle observation 27/02/2012

DW UMa

Martin Lehky, Hradec Králové, CZ (MPC 048)

EQ6 + 0.25-m f/4 + CCD ST7 + R

. . .

Nouveau minimum 05/04/2011

DW UMa

Martin Lehky, MPC 048 - Hradec Kralove

EQ6 + 0.25-m f/5 + CCD ST7 + R

EQ6 + 0.25-m f/5 + CCD ST7 + R
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2452500.0661 0.13660657 13.6-18.0V NL/VY+E (VSX 20110301)
# OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7)
# RED CMunipack 1.1.26 + AVE 2.51
# NOTE 21/22 III 2011; R_170_90s (163/66); minimum P
# NOTE 2455642.55954 +/- 0.00022; 20110322 01:25:44 (UT) GEO
# COND cirrus; full moon period

. . .

Nouvelle observation 05/04/2011

DW UMa

Martin Lehky, MPC 048 - Hradec Kralove

EQ6 + 0.25-m f/5 + CCD ST7 + R

. . .

Nouvelle observation 04/04/2011

DW UMa

Martin Lehky, MPC 048 - Hradec Kralove

EQ6 + 0.25-m f/5 + CCD ST7 + R

EQ6 + 0.25-m f/5 + CCD ST7 + R
# NAME DW UMa
# VAR 10:33:52.87 +58:46:54.7 2452500.0661 0.13660657 13.6-18.0V NL/VY+E (VSX 20110301)
# 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 II / 01 III 2011; R_100_90s (100); minimum P
# COND clear weather

. . .

Nouvelle étoile 14/07/1997

DW UMa

admin

RA: 158.4708333300, DE: 58.7819444430, MAG (max): 15.100 (B), EA/NL

. . .