NWT, 200/800 + QHY294 Mono + Coma corrector
----- EBFit result: -----
Tmin = 2460260.62549
Error (1 sigma): +0.00016/-0.00016 (Bootstrapping), +0.00004/-0.00004 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00031/-0.00029 (Bootstrapping), +0.00006/-0.00007 (Prayer bead)
LSM: chi^2 = 428.8, n_freedom = 89

NWT, 200/800 + QHY294 Mono + Coma corrector
----- EBFit result: -----
Tmin = 2460216.43412
Error (1 sigma): +0.00007/-0.00006 (Bootstrapping), +0.00004/-0.00006 (Prayer bead), +0.00003/-0.00003 (LSM)
Error (95% CI): +0.00012/-0.00012 (Bootstrapping), +0.00007/-0.00008 (Prayer bead)
LSM: chi^2 = 261.5, n_freedom = 52

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

----- EBFit result: -----
Tmin = 2460180.33948
Error (1 sigma): +0.00010/-0.00010 (Bootstrapping), +0.00010/-0.00011 (Prayer bead), +0.00010/-0.00010 (LSM)
Error (95% CI): +0.00020/-0.00017 (Bootstrapping), +0.00019/-0.00022 (Prayer bead)
LSM: chi^2 = 86.9, n_freedom = 73

DATEL, NWT 200/560 + MII G2 8300


----- EBFit result: -----
Tmin = 2460133.45004
Error (1 sigma): +0.00016/-0.00016 (Bootstrapping), +0.00038/-0.00053 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00039/-0.00030 (Bootstrapping), +0.00054/-0.00081 (Prayer bead)
LSM: chi^2 = 532.1, n_freedom = 93

RASA 279/620 + CMOS ZWO ASI 533MC
UV-IR cut filter + color CMOS

----- EBFit result: -----
Tmin = 2460097.52163
Error (1 sigma): +0.00007/-0.00006 (Bootstrapping), +0.00003/-0.00003 (Prayer bead), +0.00004/-0.00004 (LSM)
Error (95% CI): +0.00013/-0.00013 (Bootstrapping), +0.00005/-0.00007 (Prayer bead)
LSM: chi^2 = 218.0, n_freedom = 70

MARK SCT 406/4060, SBIG ST10XME
20210510_V1ST10_45+90R6

----- EBFit result: -----
Tmin = 2459345.40404
Error (1 sigma): +0.00015/-0.00014 (Bootstrapping), +0.00020/-0.00020 (Prayer bead), +0.00007/-0.00007 (LSM)
Error (95% CI): +0.00030/-0.00030 (Bootstrapping), +0.00026/-0.00035 (Prayer bead)
LSM: chi^2 = 215.7, n_freedom = 75

SCT C8 + Sbig ST7
----- EBFit result: -----
Tmin = 2458553.47575
Error (1 sigma): +0.00017/-0.00017 (Bootstrapping), +0.00069/-0.00061 (Prayer bead), +0.00005/-0.00005 (LSM)
Error (95% CI): +0.00033/-0.00036 (Bootstrapping), +0.00087/-0.00101 (Prayer bead)
LSM: chi^2 = 509.3, n_freedom = 86

CTA FRAM, Zeiss LNS 48/135 + G4-16000

----- EBFit result: -----
Tmin = 2457511.40525
Error (1 sigma): +0.00062/-0.00081 (Bootstrapping), +0.00027/-0.00023 (Prayer bead), +0.00117/-0.00117 (LSM)
Error (95% CI): +0.00133/-0.00148 (Bootstrapping), +0.00043/-0.00032 (Prayer bead)
LSM: chi^2 = 9.1, n_freedom = 22

CTA FRAM, Zeiss LNS 48/135 + G4-16000
https://www.aavso.org/vsx/index.php?view=detail.top&oid=37392

----- EBFit result: -----
Tmin = 2457510.39477
Error (1 sigma): +0.00098/-0.00099 (Bootstrapping), +0.00035/-0.00036 (Prayer bead), +0.00093/-0.00093 (LSM)
Error (95% CI): +0.00216/-0.00189 (Bootstrapping), +0.00093/-0.00074 (Prayer bead)
LSM: chi^2 = 38.6, n_freedom = 25