exoclock

TrES-1b (LOW)

Discovered by: Alonso et al. 2004

The Star
Simbad
GAIA
2MASS		 V* V672 Lyr
DR2 2098964849867337856
J19040985+3637574
RA 19:04:09.8516 DEC +36:37:57.445
Parallax
6.235 mas		 P.M. RA
-32.207 mas/y		 P.M. DEC
-20.401 mas/y
MagV
11.42		 MagR
11.34		 MagI*
10.529		 MagJ
10.294		 MagH
9.887		 MagK
9.819
MagG
11.556		 MagGBP
12.003		 MagGRP
10.975
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2457322.85268 ± 5.9e-05 BJDTDB
Period
3.030069546 ± 7.2e-08 days
Transit Parameters
Torres et al. 2008
Rp/Rs
0.1358 ± 0.0003		 a/Rs
10.52 +0.02 -0.18
 i
90.0 +0.0 -1.1 deg
e
-		 ω
- deg
DepthR*
25.31 mmag		 Duration*
2.5 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Torres et al. 2008
Teff
5230.0 +50.0 -50.0 K
 Log(g)
4.57 +0.01 -0.01 cm/s2
 Fe/H
0.02 +0.05 -0.05 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 172 (12)
O-C 0.23 ± 0.16 minutes
ExoClock Observations (Recent) 117 (12)
Space Observations (Recent) 32 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 23 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.13561 ± 0.00025

TrES-1b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
TrES-1b (LOW)
2025-09-13		Matthew Garrrod
48 Forest		Celestron NexStar 8SE
ASI2600MM Pro / V / 65.0		-0.09 ± 1.01
TrES-1b (LOW)
2025-08-22		Tommaso Dittadi
TD-TRO		Ritchey-Chretien
Moravian G2-1600 / R / 90.0		0.27 ± 0.5
TrES-1b (LOW)
2025-08-22		Rodrigo Castillo
Rodrigo-Moro		Meade ACF-SC 10
Atik 383L+ Mono / Lum / 60.0		-0.06 ± 0.95
TrES-1b (LOW)
2025-08-19		Giovanni Calapai
Home Astronomical Observatory		Celestron 11 Schmidt-Cassegrain
Atik 314L+ / Clear / 90.0		0.77 ± 0.81
TrES-1b (LOW)
2025-08-19		Gerold Holtkamp
Gerold Holtkamp		Newtonian
QHY268M / Lum / 30.0		0.64 ± 0.85
TrES-1b (LOW)
2025-08-19		Michael Nezel
Celle Observatory		CDK 14
QHY 268M / V / 180.0		0.34 ± 0.48
TrES-1b (LOW)
2025-08-19		Stefan Brenner
NOE Volkssternwarte AST		Martini-Truss mit Zambuto 11“ f/4,7
Omegon veTEC 571 C / Clear / 120.0		-0.32 ± 1.24
TrES-1b (LOW)
2025-08-19		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280/1850 (C11 with Starizona reducer)
Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 120.0		-0.57 ± 0.33
TrES-1b (LOW)
2025-08-19		Vojtěch Školník
Broumov NM Observatory		Meade LX90 ACF
MI C2-7000A / Clear / 60.0		-0.84 ± 0.49
TrES-1b (LOW)
2025-05-17		David Wright
Goveryk (private observatory)		Ritchey-Chretien
QSI 683WSG-8 / R / 200.0		1.53 ± 1.12
TrES-1b (LOW)
2025-05-17		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 80.0		-0.73 ± 0.81
TrES-1b (LOW)
2025-05-11		Vojtěch Školník
Broumov NM Observatory		Meade LX90 ACF
MI C2-7000A / Clear / 90.0		5.19 ± 0.82
TrES-1b (LOW)
2024-07-28		Deborah Smith
Complejo Astronomico Los Coloraos, Gorafe		Celestron C11
QHY9 / R / 60.0		-0.43 ± 1.2
TrES-1b (LOW)
2024-07-25		Arturo Martín Saura
OBSERVATORIO PEÑAS BLANCAS		Newton f/5 200mm
CMOS ZWO ASI294MM / R / 117.0		3.05 ± 1.58
TrES-1b (LOW)
2024-07-18		Ian Sharp
PixelSkies		Celestron C11 Edge HD
Starlight Xpress Trius Pro SX694 / R / 60.0		0.93 ± 0.91
TrES-1b (LOW)
2024-07-15		Elio Canestrelli
Terrazza-Lido		Celestron C8
Starlight SXVF-H9 / Clear / 25.0		-2.09 ± 1.43
TrES-1b (LOW)
2024-07-09		Nello Ruocco
Osservatorio Astronomico Nastro Verde di Sorrento MPC code C82		SC Meade LX200 GPS on equatorial fork
Sbig ST10XME / R / 240.0		1.12 ± 0.53
TrES-1b (LOW)
2024-07-09		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-2.35 ± 1.87
TrES-1b (LOW)
2024-06-12		Changhyun Ryu
Korea National University of Education MAO		Planwave CDK500
Moravian C3-61000 / ipr / 50.0		9.35 ± 7.06
TrES-1b (LOW)
2024-06-12		Changhyun Ryu
Korea National University of Education MAO		Planwave CDK500
Moravian C3-61000 / gpr / 50.0		2.15 ± 4.61
TrES-1b (LOW)
2024-06-12		Changhyun Ryu
Korea National University of Education MAO		Planwave CDK500
Moravian C3-61000 / rpr / 50.0		-0.01 ± 2.45
TrES-1b (LOW)
2024-04-16		Jordi Gallego
Fosca Nit Observatory		Takahashi TOA-150
STL-11000 M / rpr / 120.0		-0.27 ± 1.58
TrES-1b (LOW)
2024-04-13		Patrick Farizy
Patrick Farizy		Celestron C8
I nova nbb cx / Clear / 75.0		2.57 ± 1.73
TrES-1b (LOW)
2023-09-16		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-0.43 ± 1.12
TrES-1b (LOW)
2023-09-10		Francesco Scaggiante
Gruppo Astrofili Salese "GALILEO GALILEI"		NEWTON 410/1710
Player One Astronomy Poseidon-M Pro (IMX571) / R / 25.0		4.48 ± 1.37
TrES-1b (LOW)
2023-09-07		Jorge Estevez
Confignon		Celestron Nexstar 8SE
ZWO ASI 2600 MCPRO / Clear / 90.0		-2.94 ± 1.17
TrES-1b (LOW)
2023-09-04		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		-1.93 ± 1.58
TrES-1b (LOW)
2023-06-15		Dominique DANIEL
La Montjoie		T250 Skyvision
Camera CMOS ZWO ASI2600MC pro (color) / Clear / 60.0		1.32 ± 1.22
TrES-1b (LOW)
2023-06-15		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / rpr / 120.0		-2.85 ± 0.84
TrES-1b (LOW)
2023-06-11		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / R / 52.0		-0.52 ± 1.18
TrES-1b (LOW)
2023-06-11		Pieter Vuylsteke
TheGardenToTheSkyFacility		TS ONTC 25cm f4.7
QHY 268M / rpr / 90.0		-1.86 ± 0.89
TrES-1b (LOW)
2023-06-08		Joost Verheyden
Drogenberg		C14
ZWO 2600MC / Lum / 60.0		2.34 ± 0.94
TrES-1b (LOW)
2023-06-08		Pieter Vuylsteke
TheGardenToTheSkyFacility		TS ONTC 25cm f4.7
QHY 268M / rpr / 90.0		0.37 ± 0.82
TrES-1b (LOW)
2023-03-13		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-0.11 ± 1.09
TrES-1b (LOW)
2022-11-05		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / Clear / 120.0		1.26 ± 0.73
TrES-1b (LOW)
2022-11-05		Stefano Lora
MarSEC		Ritchey Chrétien
Moravian G2 Mark II / R / 120.0		0.24 ± 0.96
TrES-1b (LOW)
2022-11-02		Dimitris Boulakos
Artemis Observatory		gso rc 6
atik 16 hr / R / 50.0		-2.04 ± 1.58
TrES-1b (LOW)
2022-09-06		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-3.88 ± 2.74
TrES-1b (LOW)
2022-08-16		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / R / 120.0		-0.3 ± 0.86
TrES-1b (LOW)
2022-08-12		Johannes Mieglitz
Liel		Newtonian Telescope
QHY 268 C / Clear / 252.0		-0.98 ± 0.91
TrES-1b (LOW)
2022-08-09		Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY		Newton T305
QSI 683WS / Lum / 60.0		0.77 ± 0.58
TrES-1b (LOW)
2022-08-09		Raphael Nicollerat
Observatoire des Valentines K17		Ritchey Chretien
Moravian C3-26000 PRO / Lum / 45.0		-0.67 ± 0.58
TrES-1b (LOW)
2022-08-03		Stefano Lora
MarSEC		Ritchey Chrétien
Moravian G2 Mark II / Clear / 90.0		-0.04 ± 0.43
TrES-1b (LOW)
2022-06-16		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		2.42 ± 1.73
TrES-1b (LOW)
2022-06-10		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		2.62 ± 4.32
TrES-1b (LOW)
2022-06-07		Napaporn A-thano
Thai Robotic Telescopes Sierra Remote Observatories (TRT-SRO)		Ritchey Chretien
PlaneWave ProLine PL16803 / R / 30.0		3.99 ± 0.76
TrES-1b (LOW)
2022-06-07		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-2.46 ± 1.73
TrES-1b (LOW)
2022-06-04		Napaporn A-thano
Thai Robotic Telescopes Sierra Remote Observatories (TRT-SRO)		Ritchey Chretien
PlaneWave ProLine PL16803 / R / 30.0		2.78 ± 0.98
TrES-1b (LOW)
2022-06-04		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		1.1 ± 1.87
TrES-1b (LOW)
2022-05-11		David Quiles
David Quiles Observatory		Celestron EDGEHD800
ZWO ASI2600 MM / rpr / 90.0		1.9 ± 0.72
TrES-1b (LOW)
2022-05-11		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 180.0		-0.49 ± 0.63
TrES-1b (LOW)
2021-11-01		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-3.89 ± 3.46
TrES-1b (LOW)
2021-10-29		Napaporn A-thano
Thai Robotic Telescopes Sierra Remote Observatories (TRT-SRO)		Ritchey Chretien
PlaneWave ProLine PL16803 / R / 30.0		6.29 ± 0.72
TrES-1b (LOW)
2021-10-26		Mike Miller
Georgetown Observatory		Meade 10 inch ACF f8 f5.6
QSI 540 / V / 60.0		2.36 ± 2.74
TrES-1b (LOW)
2021-10-13		Giuseppe Conzo
Explorer Orbanić Observatory		Tecnosky Apo SLD 152/1216
Atik 414 Ex Mono / R / 120.0		-0.98 ± 4.32
TrES-1b (LOW)
2021-10-10		David Bennett
Rickford Observatory		10" LX200 Classic
QSI 683 / Clear / 120.0		0.41 ± 1.15
TrES-1b (LOW)
2021-10-10		Jean-Baptiste Marquette
MrKite47		Newton Sky-Watcher 200/1000
ZWO ASI183MM Pro / R / 120.0		-1.46 ± 1.44
TrES-1b (LOW)
2021-10-07		Robert Roth
TURMX Observatory		CFF Telescopes 160mm APO
ZWO ASI6200MM Pro / Lum / 60.0		-0.5 ± 0.58
TrES-1b (LOW)
2021-10-07		Didier Laloum
Observatoire Privé du Mont (OPM)		RC 8 GSO
Atik 383L+ / AstrodonExoPlanet-BB / 90.0		-0.78 ± 0.72
TrES-1b (LOW)
2021-10-07		Lionel Rousselot
Private observatory Vierzon		Newton 250/900
ZWO 1600 monochrome / Lum / 30.0		-0.78 ± 0.72
TrES-1b (LOW)
2021-10-04		Bruno Guillet
GBRC		evscope
Sony IMX224 / Clear / 119.1		2.2 ± 2.74
TrES-1b (LOW)
2021-10-04		Georgios Lekkas
Teide Observatory / 0.4 meter telescope		Meade 16-inch
SBIG STL6303 / rpr / 90.0		0.47 ± 1.01
TrES-1b (LOW)
2021-10-04		Didier Laloum
Observatoire Privé du Mont (OPM)		RC 8 GSO
Atik 383L+ / AstrodonExoPlanet-BB / 90.0		0.18 ± 0.58
TrES-1b (LOW)
2021-10-04		Robert Roth
TURMX Observatory		Planewave CDK17
QHY600M / rpr / 60.0		-0.7 ± 0.27
TrES-1b (LOW)
2021-10-04		Robert Roth
TURMX Observatory		CFF Telescopes 160mm APO
ZWO ASI6200MM Pro / Lum / 60.0		-1.69 ± 0.43
TrES-1b (LOW)
2021-10-01		Adam Popowicz
Observatory Pyskowice		RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / V / 120.0		3.74 ± 0.89
TrES-1b (LOW)
2021-10-01		Ivo Peretto
MarSEC Marana Space Explorer Center		R-C
Moravia G2-1600 MkII / Clear / 60.0		-0.58 ± 0.43
TrES-1b (LOW)
2021-10-01		Mark Salisbury
POST		Orion Optics ODK
SBIG ST-10 XME / R / 240.0		-0.58 ± 0.43
TrES-1b (LOW)
2021-10-01		David Wright
Yorick (private observatory)		10" Ritchey-Chretien
QSI 683WSG-8 / R / 120.0		-1.02 ± 1.3
TrES-1b (LOW)
2021-10-01		Giuseppe Conzo
Explorer Orbanić Observatory		Tecnosky Apo SLD 152/1216
Atik 414 Ex Mono / R / 120.0		-1.3 ± 1.58
TrES-1b (LOW)
2021-09-28		Adam Popowicz
Observatory Pyskowice		RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / R / 120.0		1.39 ± 1.01
TrES-1b (LOW)
2021-09-28		Claudio Lopresti
Claudio Lopresti		Meade LX200 12"
CCD Sbig ST9xe / R / 90.0		1.1 ± 1.44
TrES-1b (LOW)
2021-09-28		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / R / 180.0		-0.2 ± 0.72
TrES-1b (LOW)
2021-09-25		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 40.0		0.34 ± 1.3
TrES-1b (LOW)
2021-09-25		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Clear / 90.0		-1.1 ± 1.87
TrES-1b (LOW)
2021-08-05		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		0.02 ± 2.02
TrES-1b (LOW)
2021-08-02		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-0.45 ± 3.31
TrES-1b (LOW)
2021-07-09		Dominique DANIEL
La Montjoie		Celestron CGX C8 XLT
Camera CMOS ZWO ASI294MC pro (color) / Lum / 120.0		-1.38 ± 1.3
TrES-1b (LOW)
2021-07-05		Marc Deldem
Les Barres Observatory		Celestron C8
SBIG ST8-XME / Clear / 120.0		-0.99 ± 0.58
TrES-1b (LOW)
2021-07-02		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / Clear / 120.0		-0.89 ± 0.43
TrES-1b (LOW)
2021-05-09		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		4.22 ± 1.87
TrES-1b (LOW)
2021-05-06		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-4.75 ± 1.73
TrES-1b (LOW)
2021-05-03		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		0.68 ± 2.3
TrES-1b (LOW)
2020-11-29		Leon Bewersdorff
Observatory Kipshoven (BLEW)		SCT 200 / 1280 (Celestron C8 with reducer)
QHY600M-PH / V / 30.0		-3.43 ± 2.59
TrES-1b (LOW)
2020-09-02		Jean-Baptiste Marquette
MrKite47		Newton Sky-Watcher 200/1000
QHY8L / Clear / 90.0		0.2 ± 2.88
TrES-1b (LOW)
2020-08-27		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		0.54 ± 0.58
TrES-1b (LOW)
2020-06-01		David Bennett
DJB		6" F8 Newtonian
Nikon D3200 / Clear / 30.0		3.44 ± 2.74
TrES-1b (LOW)
2020-06-01		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		0.42 ± 0.58
TrES-1b (LOW)
2020-06-01		Francois Regembal
HRTobs		Astrosib RC360
SBIG STX 16803 / Lum / 60.0		-1.31 ± 0.72
TrES-1b (LOW)
2020-05-28		Simon Dawes
William James II Observatory		Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / R / 60.0		3.98 ± 1.73
TrES-1b (LOW)
2020-05-28		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 60.0		0.81 ± 0.58
TrES-1b (LOW)
2020-05-28		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		0.81 ± 0.72
TrES-1b (LOW)
2020-05-28		Mauro Caló
Cavallino		RC
SBIG ST10 / Lum / 60.0		0.23 ± 0.58
TrES-1b (LOW)
2020-05-28		Pere Guerra
Observatori Astronòmic Albanyà		16" Meade ACF F8
Moravian G4-9000 / I / 100.0		0.23 ± 0.58
TrES-1b (LOW)
2020-05-28		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 60.0		0.09 ± 0.72
TrES-1b (LOW)
2020-05-28		EMMANUEL BESSON
Obs privé BESSON		NEWTON 200x1100
ZWO ASI 533 MC PRO / Clear / 90.0		0.09 ± 0.58
TrES-1b (LOW)
2020-05-28		Patrick Brandebourg
Patrick Brandebourg (Observatoire du Guernet)		RC 250
Sbig ST8300M / R / 120.0		-0.34 ± 0.72
TrES-1b (LOW)
2020-05-25		Stephane Ferratfiat
Observatoire des Baronnies Provençales		Astelco
ZWO ASI6200 / Clear / 120.0		0.62 ± 0.43
TrES-1b (LOW)
2020-05-25		Jacques Michelet
Jacques Michelet		Celestron C11 Edge HD
QSI-632 WSG / AstrodonExoPlanet-BB / 120.0		-0.82 ± 0.86
TrES-1b (LOW)
2020-05-22		Tõnis Eenmäe
Tartu Observatory		Planewave CDK 12.5
Apogee Alta U42 / R / 40.0		-1.44 ± 0.72
TrES-1b (LOW)
2020-05-22		Nikolaos Paschalis
Nunki Observatory		Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0		-1.73 ± 1.01
TrES-1b (LOW)
2020-05-13		Vikrant Kumar Agnihotri
Cepheid Observatory India		C8/f6.3 Schmidt-Cassegrain
Atik383L+ mono / R / 60.0		-1.14 ± 1.15
TrES-1b (LOW)
2019-08-09		Pere Guerra
Observatori Astronòmic Albanyà		16" Meade ACF F8
Moravian G4-9000 / AstrodonExoPlanet-BB / 120.0		-0.28 ± 0.58
TrES-1b (LOW)
2019-08-03		Mario Morales-Aimar
Observatorio de Sencelles MPC K14		10" Meade Schmidt Cassegrain
SBIG ST7-XME / V / 160.0		1.51 ± 0.72
TrES-1b (LOW)
2019-07-30		Alberto Tomatis
Alto-Observatory		RC
STL 6303 / R / 90.0		5.35 ± 1.01
TrES-1b (LOW)
2019-07-24		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 120.0		2.67 ± 0.86
TrES-1b (LOW)
2019-07-21		Dimitrios Deligeorgopoulos
Artemis Observatory		GSO RC
Atik 16 HR / R / 60.0		3.35 ± 1.15
TrES-1b (LOW)
2018-06-22		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 120.0		0.96 ± 0.43
TrES-1b (LOW)
2018-06-19		Mario Morales-Aimar
Observatorio de Sencelles MPC K14		10" Meade Schmidt Cassegrain
SBIG ST7-XME / Clear / 120.0		0.77 ± 1.15
TrES-1b (LOW)
2017-08-23		Mario Morales-Aimar
Observatorio de Sencelles MPC K14		10" Meade Schmidt Cassegrain
SBIG ST7-XME / Clear / 60.0		1.04 ± 0.58
TrES-1b (LOW)
2016-07-16		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / Clear / 120.0		-0.1 ± 0.69
TrES-1b (LOW)
2016-07-16		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		-0.91 ± 0.58
TrES-1b (LOW)
2016-07-10		Anastasia Kokori
Holomon Astronomical Station		Celestron C11
ATIK4000/11000 / R / 120.0		-5.82 ± 1.37
TrES-1b (LOW)
2016-04-20		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		-0.31 ± 0.86
TrES-1b (LOW)
2014-05-05		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / R / 240.0		-0.15 ± 0.72
TrES-1b (LOW)
2010-06-20		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 203/1260 (Meade 8" with reducer)
Moravian Instruments G2-1600 / Clear / 60.0		0.11 ± 0.86
TrES-1b (LOW)
2007-09-06		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / Clear / 30.0		4.1 ± 1.58

Space Observations
Planet
Observation Date		 Mission O-C
minutes
TrES-1b (LOW)
2022-08-03		TESS-0.11 ± 0.5
TrES-1b (LOW)
2022-07-31		TESS-0.33 ± 0.6
TrES-1b (LOW)
2022-07-28		TESS0.04 ± 0.6
TrES-1b (LOW)
2022-07-25		TESS-0.69 ± 0.5
TrES-1b (LOW)
2022-07-19		TESS0.08 ± 0.5
TrES-1b (LOW)
2022-07-16		TESS0.2 ± 0.53
TrES-1b (LOW)
2022-07-13		TESS-0.1 ± 0.55
TrES-1b (LOW)
2022-07-10		TESS0.99 ± 0.53
TrES-1b (LOW)
2022-07-07		TESS0.67 ± 0.5
TrES-1b (LOW)
2022-07-04		TESS0.43 ± 0.58
TrES-1b (LOW)
2022-06-28		TESS-0.5 ± 0.6
TrES-1b (LOW)
2022-06-22		TESS-0.66 ± 0.65
TrES-1b (LOW)
2022-06-16		TESS-0.7 ± 0.66
TrES-1b (LOW)
2021-08-17		TESS0.53 ± 0.5
TrES-1b (LOW)
2021-08-14		TESS-0.41 ± 0.5
TrES-1b (LOW)
2021-08-11		TESS1.03 ± 0.53
TrES-1b (LOW)
2021-08-08		TESS-0.42 ± 0.49
TrES-1b (LOW)
2021-08-05		TESS-0.44 ± 0.5
TrES-1b (LOW)
2021-07-30		TESS0.14 ± 0.49
TrES-1b (LOW)
2021-07-27		TESS-0.18 ± 0.5
TrES-1b (LOW)
2021-07-21		TESS-0.95 ± 0.46
TrES-1b (LOW)
2021-07-18		TESS-0.5 ± 0.5
TrES-1b (LOW)
2021-07-12		TESS-0.13 ± 0.49
TrES-1b (LOW)
2021-07-05		TESS-0.21 ± 0.52
TrES-1b (LOW)
2021-07-02		TESS0.07 ± 0.56
TrES-1b (LOW)
2021-06-29		TESS-1.34 ± 0.62
TrES-1b (LOW)
2021-06-26		TESS-0.04 ± 0.45
TrES-1b (LOW)
2019-08-09		TESS-0.91 ± 0.55
TrES-1b (LOW)
2019-08-03		TESS-0.52 ± 0.49
TrES-1b (LOW)
2019-07-30		TESS0.74 ± 0.53
TrES-1b (LOW)
2019-07-24		TESS-0.18 ± 0.45
TrES-1b (LOW)
2019-07-21		TESS-0.33 ± 0.49

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2017-04-30 Wang et al. 2021 0.36 ± 0.78
2017-04-27 Wang et al. 2021 -0.11 ± 0.48
2017-04-24 Wang et al. 2021 0.77 ± 0.45
2017-04-24 Wang et al. 2021 -0.08 ± 0.84
2017-04-21 Wang et al. 2021 0.39 ± 0.45
2017-04-21 Wang et al. 2021 -0.93 ± 0.56
2016-09-18 Wang et al. 2021 0.6 ± 0.95
2016-09-15 Wang et al. 2021 -0.82 ± 1.41
2016-09-09 Wang et al. 2021 -2.65 ± 0.63
2008-07-14 Raetz et al. 2009 0.55 ± 1.44
2007-06-23 Rabus et al. 2009 1.27 ± 0.29
2007-06-20 Rabus et al. 2009 -0.36 ± 0.29
2007-06-17 Rabus et al. 2009 -0.03 ± 0.23
2007-03-15 Raetz et al. 2009 -0.18 ± 2.16
2006-08-11 Rabus et al. 2009 1.75 ± 0.29
2006-08-08 Rabus et al. 2009 -0.25 ± 0.23
2006-06-21 Narita et al. 2007 0.78 ± 0.49
2006-06-15 Winn et al. 2007 0.46 ± 0.27
2006-06-12 Winn et al. 2007 0.11 ± 0.2
2006-06-09 Winn et al. 2007 -0.41 ± 0.26
2005-07-17 Rabus et al. 2009 -0.81 ± 0.36
2005-07-11 Rabus et al. 2009 -0.61 ± 0.33
2004-06-30 Alonso et al. 2004 -1.37 ± 0.29
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