exoclock

TrES-3b (LOW)

Discovered by: O'Donovan et al. 2007

The Star
Simbad
GAIA
2MASS		 1SWASP J175207.01+373246.3
DR2 4609131509318715136
J17520702+3732461
RA 17:52:07.0185 DEC +37:32:46.237
Parallax
4.294 mas		 P.M. RA
-24.529 mas/y		 P.M. DEC
34.809 mas/y
MagV
12.402		 MagR
12.06		 MagI
11.603		 MagJ
11.015		 MagH
10.655		 MagK
10.608
MagG
12.2		 MagGBP
12.584		 MagGRP
11.667
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457585.914587 ± 2.2e-05 BJDTDB
Period
1.306186348 ± 3.5e-08 days
Transit Parameters
Christiansen et al. 2011
Rp/Rs
0.17 ± 0.03		 a/Rs
6.0 +0.8 -0.7
 i
82.0 +0.3 -0.3 deg
e
-		 ω
- deg
DepthR*
28.34 mmag		 Duration*
1.38 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Torres et al. 2008
Teff
5650.0 +75.0 -75.0 K
 Log(g)
4.58 +0.02 -0.01 cm/s2
 Fe/H
-0.19 +0.08 -0.08 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.82"
Total Observations (Recent) 289 (32)
O-C -0.707 ± 0.086 minutes
ExoClock Observations (Recent) 159 (32)
Space Observations (Recent) 58 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 72 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.16294 ± 0.00046

TrES-3b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
TrES-3b (LOW)
2023-05-30		Yen-Hsing Lin
NTHU Observatory		Showa 10"
ASI6200MM Pro / Lum / 120.0		0.44 ± 1.11
TrES-3b (LOW)
2023-05-29		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / R / 180.0		-1.07 ± 1.05
TrES-3b (LOW)
2023-05-27		Sacha Foschino
Observatoire des Baronnies Provençales		Planewave 430mm
SVO ASI 6200 MM Pro / R / 120.0		3.7 ± 1.01
TrES-3b (LOW)
2023-05-24		Heidi Hodkinson
OSO PIRATE		PlaneWave CDK24
FLI ProLine KAF-16803 / R / 200.0		-1.37 ± 0.58
TrES-3b (LOW)
2023-05-24		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-1.63 ± 1.12
TrES-3b (LOW)
2023-04-27		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		-2.25 ± 1.27
TrES-3b (LOW)
2023-04-21		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / Lum / 90.0		0.11 ± 0.69
TrES-3b (LOW)
2023-04-16		Heidi Hodkinson
OSO PIRATE		PlaneWave CDK24
FLI ProLine KAF-16803 / R / 200.0		-1.95 ± 0.46
TrES-3b (LOW)
2023-04-10		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 120.0		-1.12 ± 1.44
TrES-3b (LOW)
2023-04-07		David Bennett
Rickford Observatory		GSO RC
ZWO ASI2600MM Pro / Lum / 180.0		-1.27 ± 0.6
TrES-3b (LOW)
2023-04-03		Pieter Vuylsteke
TheGardenToTheSkyFacility		TS ONTC 25cm f4.7
QHY 268M / rpr / 90.0		-3.27 ± 0.84
TrES-3b (LOW)
2022-09-17		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 120.0		-1.04 ± 1.73
TrES-3b (LOW)
2022-09-17		Stephen Futcher
Emsworth S		Celestron NexStar 8SE
Starlight Xpress SX-814 / R / 60.0		-2.48 ± 3.17
TrES-3b (LOW)
2022-09-17		Stephen Futcher
Emsworth S		Celestron NexStar 8SE
Starlight Xpress SX-814 / B / 180.0		-3.78 ± 3.6
TrES-3b (LOW)
2022-09-02		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-4.01 ± 3.02
TrES-3b (LOW)
2022-08-31		Simon Dawes
William James II Observatory		Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / Lum / 120.0		-2.88 ± 1.3
TrES-3b (LOW)
2022-08-27		Sacha Foschino
Observatoire des Baronnies Provençales		Planewave 430mm
SVO ASI 6200 MM Pro / Clear / 120.0		-0.35 ± 0.72
TrES-3b (LOW)
2022-08-01		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		1.85 ± 1.15
TrES-3b (LOW)
2022-08-01		Claudio Lopresti
Claudio Lopresti		Meade LX200 12"
CCD Sbig ST9xe / Lum / 120.0		-0.89 ± 0.72
TrES-3b (LOW)
2022-07-30		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-4.53 ± 4.32
TrES-3b (LOW)
2022-07-28		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / R / 90.0		0.5 ± 1.3
TrES-3b (LOW)
2022-07-15		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / Clear / 120.0		0.51 ± 0.33
TrES-3b (LOW)
2022-07-11		Dominique DANIEL
La Montjoie		Celestron C8
Camera CMOS ZWO ASI2600MC pro (color) / Clear / 180.0		-0.34 ± 2.02
TrES-3b (LOW)
2022-06-28		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		0.62 ± 1.3
TrES-3b (LOW)
2022-06-28		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / R / 120.0		0.04 ± 0.43
TrES-3b (LOW)
2022-06-27		Wen-Hsin Chen
NTHUOBS		Showa 10"
ASI6200MM / Lum / 120.0		-0.6 ± 0.63
TrES-3b (LOW)
2022-06-24		andrea ferrero
Bigmuskie Observatory		Marcon Telescopes Ritchey-Chretién configuration
Moravian g3 1000 / Clear / 60.0		-3.33 ± 1.58
TrES-3b (LOW)
2022-06-22		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		1.38 ± 2.3
TrES-3b (LOW)
2022-06-22		Bryan Martin
Tiger Butte Obseratory		AG Opitcal
ZWO ASI 294 / AstrodonExoPlanet-BB / 90.0		1.1 ± 0.86
TrES-3b (LOW)
2022-06-17		David Arnot
OSO COAST		PlaneWave Instruments CDK17 17 inch (432 mm) f/6.8 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-09000 / R / 55.0		-0.38 ± 0.69
TrES-3b (LOW)
2022-06-17		David Arnot
OSO PIRATE		PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / R / 50.0		-1.47 ± 0.46
TrES-3b (LOW)
2022-06-08		Marco Stefanini
Osservatorio Aldebaran		Ritchey-Chretien Altair Astro
Atik 4000 LE / Lum / 100.0		-0.27 ± 1.87
TrES-3b (LOW)
2022-05-25		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		0.25 ± 1.01
TrES-3b (LOW)
2022-05-23		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-4.68 ± 2.45
TrES-3b (LOW)
2022-05-22		Simon Dawes
William James II Observatory		Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / Lum / 120.0		-0.1 ± 0.72
TrES-3b (LOW)
2022-05-22		Richard Yorke
Observatorio del Teide		Dall-Kirkham Astrograph telescope
FLI ProLine KAF-16803 CCD camera / R / 60.0		-0.96 ± 0.43
TrES-3b (LOW)
2022-05-22		Le Guen Patrice
Baou		Lunette TAKAHASHI FSQ106ED
ZWO ASI6200MM-PRO / Lum / 300.0		-1.25 ± 2.45
TrES-3b (LOW)
2022-05-22		Francesco Scaggiante
Gruppo Astrofili Salese "GALILEO GALILEI"		NEWTON 410/1710
Custom made with KAF-1603ME CCD sensor / R / 60.0		-1.39 ± 0.72
TrES-3b (LOW)
2022-05-12		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 120.0		-2.25 ± 1.3
TrES-3b (LOW)
2022-05-12		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / I / 240.0		-3.11 ± 1.44
TrES-3b (LOW)
2022-05-08		Stéphane Montchaud
Burgundy Observatory		Celestron 8
Zwo Asi 1600 / Lum / 120.0		2.44 ± 1.15
TrES-3b (LOW)
2022-05-08		Paul De Backer
PaulDB		RC10
ASI294MM-Pro / R / 60.0		-0.29 ± 0.72
TrES-3b (LOW)
2022-05-08		Kevin Johnson
Holbrook Observatory		Meade LX10 EMC
Atik 383L+ / Lum / 120.0		-1.73 ± 0.86
TrES-3b (LOW)
2022-04-21		David Wright
Yorick (private observatory)		10" Ritchey-Chretien
QSI 683WSG-8 / R / 240.0		-0.98 ± 1.01
TrES-3b (LOW)
2022-04-21		Bob Trevan
IMT4		Takahashi Mewlon 180
Artemis 1100 / Clear / 60.0		-3.43 ± 2.16
TrES-3b (LOW)
2022-04-18		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		-2.33 ± 1.44
TrES-3b (LOW)
2022-04-02		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		1.03 ± 2.45
TrES-3b (LOW)
2021-09-11		Didier Laloum
Observatoire Privé du Mont (OPM)		RC 8 GSO
Atik 383L+ / AstrodonExoPlanet-BB / 120.0		-0.43 ± 1.15
TrES-3b (LOW)
2021-08-29		Dominique DANIEL
La Montjoie		Celestron CGX C8 XLT
Camera CMOS ZWO ASI294MC pro (color) / Clear / 120.0		1.67 ± 0.86
TrES-3b (LOW)
2021-08-29		Giorgio Baj
M57		Ritchey-Chretien
Sbig STT1603 ME / Clear / 120.0		0.67 ± 0.72
TrES-3b (LOW)
2021-08-25		Markus Rockenbauer
Vienna Lillte Telescope - Department of Astrophysics		Cassegrain A=80cm F=6,64m
DSLR Canon 200 D 14 Bit, 3,75 µm Pixel / Clear / 120.0		2.48 ± 1.3
TrES-3b (LOW)
2021-08-08		Georgios Lekkas
Specca Observatory		Newtonian Reflector 254/1200 mm
Atik 320E / R / 60.0		-0.22 ± 1.73
TrES-3b (LOW)
2021-08-08		Bernhard Wenzel
Kirchheim, Thüringen- Germany		Newton A=30 cm / F=1,2 m
DSLR Canon 200 D 14 Bit, 3,75 µm Pixel / Clear / 45.0		-3.1 ± 2.02
TrES-3b (LOW)
2021-07-22		Enrique Arce
Vallbona Observatory		Newton 10" f4
Atik 414 ex mono / V / 30.0		-0.91 ± 1.01
TrES-3b (LOW)
2021-07-09		Jean-François Coliac
OABAC		N200 f4
ASI 183mm pro / Clear / 120.0		-0.53 ± 0.86
TrES-3b (LOW)
2021-07-06		Andras Dan
Rocca1		Celestron C8
QHY 183 M / Clear / 60.0		-0.3 ± 0.86
TrES-3b (LOW)
2021-07-02		Alexandre Santos
Lisbon		GSO Ritchey-Chrétien 203/1624 mm RC 8
Canon 600D / Clear / 50.0		-0.22 ± 3.02
TrES-3b (LOW)
2021-06-26		Giorgio Baj
M57		Ritchey-Chretien
Sbig STT1603 ME / R / 180.0		-1.02 ± 1.73
TrES-3b (LOW)
2021-06-26		Attilio Bruzzone
Anxanum Observatory		LX200 ACF
FLI Microline 11002 / Lum / 60.0		-1.74 ± 1.3
TrES-3b (LOW)
2021-06-22		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / R / 93.0		-1.94 ± 0.72
TrES-3b (LOW)
2021-06-19		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / I / 180.0		0.45 ± 1.01
TrES-3b (LOW)
2021-06-19		Ivo Peretto
MarSEC Marana Space Explorer Center		R-C
Moravia G2-1600 MkII / Clear / 120.0		-0.13 ± 0.58
TrES-3b (LOW)
2021-06-07		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		2.43 ± 2.16
TrES-3b (LOW)
2021-06-05		Bruno Guillet
GBRC		evscope
Sony IMX224 / Clear / 119.1		1.69 ± 2.88
TrES-3b (LOW)
2021-06-02		Francois Regembal
HRTobs		Astrosib RC360
SBIG STX 16803 / Lum / 60.0		-0.67 ± 0.86
TrES-3b (LOW)
2021-05-30		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		0.87 ± 2.3
TrES-3b (LOW)
2021-05-23		Thibaut HUMBERT
Backyard		Perl 200/1000
SvBony SV305 / V / 60.0		1.78 ± 1.3
TrES-3b (LOW)
2021-05-17		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-0.04 ± 1.73
TrES-3b (LOW)
2021-04-30		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		1.57 ± 2.59
TrES-3b (LOW)
2021-04-23		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / I / 240.0		-1.84 ± 3.31
TrES-3b (LOW)
2021-04-19		Üllar Kivila
Science Centre AHHAA		TS Optics RC 203/1624
ZWO ASI224MC / Lum / 120.0		2.86 ± 1.15
TrES-3b (LOW)
2021-04-17		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		0.23 ± 2.02
TrES-3b (LOW)
2021-04-16		Adrian Jannetta
Red Row (Addiscombe)		Meade
ZWO ASI178MM / Clear / 120.0		1.65 ± 0.86
TrES-3b (LOW)
2021-04-13		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		0.31 ± 3.6
TrES-3b (LOW)
2021-04-02		David Bennett
Rickford Observatory		10" LX200 Classic
QSI 683 / Clear / 180.0		-3.3 ± 1.15
TrES-3b (LOW)
2021-03-30		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		0.53 ± 0.86
TrES-3b (LOW)
2021-03-30		Jean-Baptiste Marquette
MrKite47		Newton Sky-Watcher 200/1000
ZWO ASI183MM Pro / R / 300.0		-0.63 ± 1.73
TrES-3b (LOW)
2021-03-30		Danilo Sedita
Osservatorio Sedita Castrofilippo		RC GSO 10"
Sbig ST10 / R / 60.0		-1.2 ± 0.72
TrES-3b (LOW)
2021-03-30		Mauro Caló
Cavallino		RC
SBIG ST10 / Lum / 90.0		-1.49 ± 1.15
TrES-3b (LOW)
2021-03-27		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		0.34 ± 3.17
TrES-3b (LOW)
2021-03-26		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		-0.25 ± 0.86
TrES-3b (LOW)
2021-03-13		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		-0.02 ± 1.01
TrES-3b (LOW)
2021-03-09		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		-0.36 ± 0.58
TrES-3b (LOW)
2020-09-13		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		-1.0 ± 0.43
TrES-3b (LOW)
2020-09-09		Tommaso Dittadi
Tommaso Dittadi		Ritchey-Chretien
Moravian G2-1600 / R / 90.0		-0.47 ± 1.17
TrES-3b (LOW)
2020-08-10		Tõnis Eenmäe
Tartu Observatory		Planewave CDK 12.5
Apogee Alta U42 / R / 40.0		-1.37 ± 0.58
TrES-3b (LOW)
2020-08-10		Tõnis Eenmäe
Tartu Observatory		Zeiss 600
Andor Ikon-L / R / 40.0		-1.95 ± 0.43
TrES-3b (LOW)
2020-08-06		Pierre Valeau
Aiguillon Observatory		SCT Celestron C11
ASI 533 MC Pro / Clear / 120.0		-3.01 ± 1.15
TrES-3b (LOW)
2020-08-06		Pavel Pintr
Horni Halze		Celestron C9.25 with Hyperstar f2.2
ASI ZWO 1600 MONO / R / 180.0		-3.16 ± 2.3
TrES-3b (LOW)
2020-07-24		Pierros Papadeas
Archodiko Avias		Celestron EdgeHD 9.25
ASI183MM-Pro / Lum / 30.0		2.41 ± 0.72
TrES-3b (LOW)
2020-07-24		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 40.0		1.54 ± 1.15
TrES-3b (LOW)
2020-07-24		Iakovos Strikis
Elizabeth Observatory of Athens		Sky Watcher Quattro
SBIG STF-8300mm / Lum / 40.0		0.82 ± 1.3
TrES-3b (LOW)
2020-07-24		Constantinos Aggelis
AGGELIS CONSTANTINOS		GSO RC8
ZWO ASI183MM-PRO / Lum / 30.0		-1.19 ± 2.74
TrES-3b (LOW)
2020-07-07		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0		-1.88 ± 0.58
TrES-3b (LOW)
2020-06-05		Martin Fowler
MicroObservatory Cecilia		MicroObservatory robotic telescope
KAF 1402ME / Clear / 60.0		-0.21 ± 4.32
TrES-3b (LOW)
2020-05-31		Keith Rickard
Putlands Observatory - CMHASD		Meade LX200 10" SCT Classic
SBIG ST-7XME CCD / R / 120.0		-1.44 ± 0.86
TrES-3b (LOW)
2020-05-28		Martin Fowler
MicroObservatory Cecilia		MicroObservatory robotic telescope
KAF 1402ME / Clear / 60.0		2.55 ± 1.73
TrES-3b (LOW)
2020-05-17		Fabio Mortari
Hypatia Observatory		Newton 250mm f/4.9
Sbig ST8-XE / V / 200.0		-1.06 ± 1.3
TrES-3b (LOW)
2020-05-17		Stephane Neveu
Backyard		Newton
Atik 314L / R / 90.0		-1.5 ± 1.58
TrES-3b (LOW)
2020-05-17		Francois Regembal
HRTobs		Astrosib RC360
SBIG STX 16803 / Lum / 60.0		-2.36 ± 0.86
TrES-3b (LOW)
2020-05-17		EMMANUEL BESSON
Obs privé BESSON		NEWTON 200x1100
ZWO ASI 533 MC PRO / Lum / 60.0		-3.22 ± 1.44
TrES-3b (LOW)
2020-05-14		Simon Dawes
William James II Observatory		Skywatcher MN190
ZWO ASI 1600 Pro mono / R / 120.0		1.33 ± 1.3
TrES-3b (LOW)
2020-05-14		John Savage
Z42 Rushay Farm Observatory		Celestron 14Edge
ZWO ASI6200MM / Clear / 180.0		0.32 ± 0.58
TrES-3b (LOW)
2020-05-14		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 120.0		-0.11 ± 0.86
TrES-3b (LOW)
2020-05-14		Keith Rickard
Putlands Observatory - CMHASD		Meade LX200 10" SCT Classic
SBIG ST-7XME CCD / R / 120.0		-2.27 ± 1.01
TrES-3b (LOW)
2020-05-08		Vikrant Kumar Agnihotri
Cepheid Observatory India		C8/f6.3 Schmidt-Cassegrain
Atik383L+ mono / R / 60.0		0.38 ± 2.88
TrES-3b (LOW)
2020-04-27		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		-1.38 ± 0.43
TrES-3b (LOW)
2020-04-27		Simon Dawes
William James II Observatory		Skywatcher MN190
ZWO ASI 1600 Pro mono / R / 30.0		-1.95 ± 0.58
TrES-3b (LOW)
2020-04-25		Wonseok Kang
Deokheung Optical Astronomy Observatory		NYSC 1m Telescope
PL-16803 (FLI) / R / 120.0		4.07 ± 0.43
TrES-3b (LOW)
2020-04-25		Taewoo Kim
Deokheung Optical Astronomy Observatory		NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / R / 120.0		-1.02 ± 0.32
TrES-3b (LOW)
2020-04-15		Roger Dymock
MicroObservatory located at Whipple Observatory		Maksutov reflector
KAF 1402ME / Clear / 60.0		-1.84 ± 3.31
TrES-3b (LOW)
2020-04-13		John Savage
Z42 Rushay Farm Observatory		Celeston 14Edge with focal reducer
ATIK One 9.0 / R / 240.0		-2.29 ± 0.86
TrES-3b (LOW)
2020-04-10		Mauro Caló
Cavallino		RC
SBIG ST10 / Lum / 90.0		0.96 ± 0.86
TrES-3b (LOW)
2020-04-10		Fabio Mortari
Hypatia Observatory		Newton 250mm f/4.9
Sbig ST8-XE / Lum / 150.0		-0.19 ± 0.72
TrES-3b (LOW)
2020-04-10		Alberto Tomatis
Alto-Observatory		RC
STL 6303 / Lum / 120.0		-2.07 ± 0.58
TrES-3b (LOW)
2020-04-10		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		-2.07 ± 0.43
TrES-3b (LOW)
2020-04-10		Giovanni Battista Casalnuovo
FSO Filzi School Observatory		RC14" f/8
QHY9 / Clear / 120.0		-2.21 ± 0.86
TrES-3b (LOW)
2020-04-10		Danilo Sedita
Osservatorio Sedita Castrofilippo		RC GSO 14"
Moravian G2-1600 / R / 60.0		-2.35 ± 0.58
TrES-3b (LOW)
2020-03-28		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 120.0		-0.53 ± 1.44
TrES-3b (LOW)
2020-03-24		Filip Walter
Stefanik Observatory		Carl Zeiss MCT
ZWO ASI 1600mm pro / Clear / 180.0		1.42 ± 0.58
TrES-3b (LOW)
2020-02-20		Roger Dymock
MicroObservatory located at Whipple Observatory		Maksutov reflector
KAF 1402ME / Clear / 60.0		-2.38 ± 2.59
TrES-3b (LOW)
2019-10-29		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		2.25 ± 0.72
TrES-3b (LOW)
2019-09-04		Alberto Tomatis
Alto-Observatory		RC
STL 6303 / Lum / 90.0		1.71 ± 0.86
TrES-3b (LOW)
2019-08-05		Mauro Caló
Cavallino		RC
SBIG ST10 / R / 40.0		2.98 ± 1.58
TrES-3b (LOW)
2019-07-19		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		-0.87 ± 0.58
TrES-3b (LOW)
2019-07-06		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 40.0		-2.22 ± 0.72
TrES-3b (LOW)
2019-07-02		Nikolaos Paschalis
Nunki Observatory		Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0		3.62 ± 1.3
TrES-3b (LOW)
2019-07-02		Mario Morales Aimar
Observatorio de Sencelles MPC K14		10" Meade Schmidt Cassegrain
SBIG ST7-XME / V / 120.0		1.18 ± 0.86
TrES-3b (LOW)
2019-06-29		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / I / 180.0		-1.47 ± 0.72
TrES-3b (LOW)
2019-05-12		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		-4.34 ± 0.86
TrES-3b (LOW)
2018-09-02		Lionel Rousselot
Private observatory Vierzon		Newton
ZWO 1600 monochrome / Clear / 90.0		-0.79 ± 1.01
TrES-3b (LOW)
2018-09-02		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 60.0		-0.82 ± 0.26
TrES-3b (LOW)
2018-07-10		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 60.0		-0.55 ± 0.29
TrES-3b (LOW)
2017-10-21		Mario Morales Aimar
Observatorio de Sencelles MPC K14		10" Meade Schmidt Cassegrain
SBIG ST7-XME / Clear / 60.0		0.35 ± 0.72
TrES-3b (LOW)
2017-07-11		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 60.0		1.37 ± 0.32
TrES-3b (LOW)
2017-06-24		Mario Morales Aimar
Observatorio de Sencelles MPC K14		10" Meade Schmidt Cassegrain
SBIG ST7-XME / Clear / 120.0		-0.57 ± 0.58
TrES-3b (LOW)
2017-05-21		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 60.0		-0.77 ± 0.22
TrES-3b (LOW)
2017-04-21		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 60.0		-0.38 ± 0.43
TrES-3b (LOW)
2016-08-21		Nikolaos Paschalis
Nunki Observatory		Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0		-2.74 ± 2.59
TrES-3b (LOW)
2016-08-08		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / rpr / 180.0		2.5 ± 1.02
TrES-3b (LOW)
2016-08-08		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		0.23 ± 0.43
TrES-3b (LOW)
2016-06-22		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		2.11 ± 0.58
TrES-3b (LOW)
2016-05-06		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 120.0		-0.03 ± 0.72
TrES-3b (LOW)
2016-05-02		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		0.77 ± 0.86
TrES-3b (LOW)
2016-04-15		Nikolaos Paschalis
Nunki Observatory		Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0		-1.21 ± 1.44
TrES-3b (LOW)
2015-10-31		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 120.0		0.73 ± 0.43
TrES-3b (LOW)
2015-09-06		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 240.0		0.05 ± 0.43
TrES-3b (LOW)
2015-08-17		Anaël Wünsche
Observatoire des Baronnies Provençales		ASA300
FLI8300M / Clear / 240.0		0.6 ± 1.01
TrES-3b (LOW)
2015-07-17		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 240.0		-0.71 ± 0.58
TrES-3b (LOW)
2015-07-14		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 240.0		1.39 ± 0.72
TrES-3b (LOW)
2015-07-04		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 180.0		3.41 ± 0.43
TrES-3b (LOW)
2015-06-17		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 120.0		-1.6 ± 0.58
TrES-3b (LOW)
2015-05-18		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 30.0		-3.92 ± 0.58
TrES-3b (LOW)
2015-05-11		Marc Deldem
Les Barres Observatory		Celestron C8
SBIG ST8-XME / Clear / 120.0		-0.58 ± 0.58
TrES-3b (LOW)
2015-04-24		Marc Deldem
Les Barres Observatory		Celestron C8
SBIG ST8-XME / Clear / 60.0		-0.26 ± 0.72
TrES-3b (LOW)
2014-03-19		Angelos Tsiaras
Holomon Astronomical Station		Celestron C11
ATIK4000/11000 / Clear / 60.0		1.91 ± 0.86
TrES-3b (LOW)
2013-07-09		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Sbig ST8xme / R / 120.0		0.19 ± 0.86
TrES-3b (LOW)
2009-08-14		Manfred Raetz
Volkssternwarte Kirchheim		Newton 500/2500
SBIG ST-L 6303e / Clear / 120.0		1.29 ± 1.3
TrES-3b (LOW)
2009-04-25		Filip Walter
Stefanik Observatory		Meade SCT
SBIG ST-10XME / Clear / 120.0		-2.25 ± 1.15

Space Observations
Planet
Observation Date		 Mission O-C
minutes
TrES-3b (LOW)
2021-07-22		TESS-2.12 ± 0.55
TrES-3b (LOW)
2021-07-21		TESS-0.36 ± 0.58
TrES-3b (LOW)
2021-07-20		TESS-0.45 ± 0.69
TrES-3b (LOW)
2021-07-19		TESS-0.44 ± 0.69
TrES-3b (LOW)
2021-07-17		TESS-1.39 ± 0.76
TrES-3b (LOW)
2021-07-16		TESS-1.02 ± 0.66
TrES-3b (LOW)
2021-07-15		TESS-0.64 ± 0.72
TrES-3b (LOW)
2021-07-13		TESS-1.25 ± 0.66
TrES-3b (LOW)
2021-07-12		TESS-1.77 ± 0.82
TrES-3b (LOW)
2021-07-11		TESS0.52 ± 0.78
TrES-3b (LOW)
2021-07-09		TESS-1.99 ± 0.63
TrES-3b (LOW)
2021-07-08		TESS-2.14 ± 0.68
TrES-3b (LOW)
2021-07-07		TESS-0.25 ± 0.63
TrES-3b (LOW)
2021-07-06		TESS-0.46 ± 0.66
TrES-3b (LOW)
2021-07-04		TESS-0.74 ± 0.69
TrES-3b (LOW)
2021-07-03		TESS-1.22 ± 0.69
TrES-3b (LOW)
2021-07-02		TESS-0.49 ± 0.88
TrES-3b (LOW)
2021-06-30		TESS-0.66 ± 0.68
TrES-3b (LOW)
2021-06-29		TESS-1.38 ± 0.73
TrES-3b (LOW)
2021-06-28		TESS-1.39 ± 0.66
TrES-3b (LOW)
2021-06-26		TESS-1.35 ± 0.69
TrES-3b (LOW)
2021-06-25		TESS-0.3 ± 0.65
TrES-3b (LOW)
2020-07-03		TESS-1.03 ± 0.72
TrES-3b (LOW)
2020-07-02		TESS-1.6 ± 0.66
TrES-3b (LOW)
2020-07-01		TESS-1.46 ± 0.6
TrES-3b (LOW)
2020-06-30		TESS-0.9 ± 0.6
TrES-3b (LOW)
2020-06-28		TESS-0.84 ± 0.63
TrES-3b (LOW)
2020-06-27		TESS-1.12 ± 0.69
TrES-3b (LOW)
2020-06-26		TESS-1.7 ± 0.69
TrES-3b (LOW)
2020-06-24		TESS-0.23 ± 0.63
TrES-3b (LOW)
2020-06-23		TESS-1.28 ± 0.48
TrES-3b (LOW)
2020-06-20		TESS-0.38 ± 0.62
TrES-3b (LOW)
2020-06-19		TESS0.8 ± 0.69
TrES-3b (LOW)
2020-06-18		TESS-1.46 ± 0.68
TrES-3b (LOW)
2020-06-16		TESS-0.67 ± 0.62
TrES-3b (LOW)
2020-06-15		TESS-0.76 ± 0.76
TrES-3b (LOW)
2020-06-14		TESS-0.1 ± 0.72
TrES-3b (LOW)
2020-06-13		TESS0.89 ± 0.63
TrES-3b (LOW)
2020-06-11		TESS-0.55 ± 0.71
TrES-3b (LOW)
2020-06-10		TESS-0.06 ± 0.62
TrES-3b (LOW)
2020-06-07		TESS-0.94 ± 0.65
TrES-3b (LOW)
2020-06-06		TESS-1.09 ± 0.62
TrES-3b (LOW)
2020-06-05		TESS-2.53 ± 0.72
TrES-3b (LOW)
2020-06-03		TESS-1.05 ± 0.62
TrES-3b (LOW)
2020-06-02		TESS-1.71 ± 0.69
TrES-3b (LOW)
2020-06-01		TESS-2.26 ± 0.59
TrES-3b (LOW)
2020-05-31		TESS-0.19 ± 0.69
TrES-3b (LOW)
2020-05-29		TESS-1.56 ± 0.73
TrES-3b (LOW)
2020-05-28		TESS-0.29 ± 0.6
TrES-3b (LOW)
2020-05-25		TESS-0.33 ± 0.69
TrES-3b (LOW)
2020-05-24		TESS-0.95 ± 0.71
TrES-3b (LOW)
2020-05-23		TESS-0.29 ± 0.5
TrES-3b (LOW)
2020-05-21		TESS-1.45 ± 0.62
TrES-3b (LOW)
2020-05-20		TESS-0.42 ± 0.59
TrES-3b (LOW)
2020-05-19		TESS-0.94 ± 0.76
TrES-3b (LOW)
2020-05-17		TESS-1.24 ± 0.66
TrES-3b (LOW)
2020-05-16		TESS-0.61 ± 0.68
TrES-3b (LOW)
2020-05-15		TESS-1.32 ± 0.62

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2020-09-21 Saha et al. 2021 -2.55 ± 0.35
2019-05-03 Saha et al. 2021 -0.59 ± 0.58
2018-04-14 Mannaday et al. 2020 -0.09 ± 0.76
2018-04-10 Mannaday et al. 2020 -2.95 ± 0.82
2018-03-28 Mannaday et al. 2020 -0.41 ± 1.09
2018-03-24 Mannaday et al. 2020 -3.95 ± 2.16
2018-03-11 Mannaday et al. 2020 -0.32 ± 0.98
2018-03-07 Mannaday et al. 2020 0.1 ± 0.92
2017-03-12 Stefansson et al. 2017 0.06 ± 0.01
2015-08-24 Püsküllü et al. 2017 1.79 ± 0.49
2015-08-07 Püsküllü et al. 2017 1.65 ± 0.4
2015-07-21 Püsküllü et al. 2017 1.5 ± 0.43
2015-07-08 Püsküllü et al. 2017 1.24 ± 0.53
2015-07-01 Püsküllü et al. 2017 2.86 ± 0.63
2015-04-28 Püsküllü et al. 2017 1.77 ± 0.48
2014-07-08 Parviainen et al. 2016 -0.27 ± 0.06
2014-07-02 Püsküllü et al. 2017 -1.68 ± 0.43
2014-06-15 Püsküllü et al. 2017 -1.9 ± 0.92
2014-03-30 Mannaday et al. 2020 -0.72 ± 0.27
2013-07-13 Püsküllü et al. 2017 -0.92 ± 0.62
2013-05-27 Püsküllü et al. 2017 0.85 ± 0.4
2013-05-18 Mannaday et al. 2020 -0.86 ± 0.46
2013-05-10 Mannaday et al. 2020 -2.26 ± 1.14
2013-04-10 Mannaday et al. 2020 -2.52 ± 0.72
2012-06-20 Mannaday et al. 2020 -1.62 ± 2.3
2012-06-07 Püsküllü et al. 2017 1.79 ± 0.49
2012-06-03 Püsküllü et al. 2017 4.0 ± 0.81
2012-05-29 Mannaday et al. 2020 0.97 ± 0.53
2012-04-11 Turner et al. 2013 1.07 ± 0.71
2012-03-28 Turner et al. 2013 0.78 ± 1.05
2012-03-28 Turner et al. 2013 0.66 ± 1.37
2012-03-25 Turner et al. 2013 -0.49 ± 1.2
2011-11-04 Turner et al. 2013 -3.02 ± 0.17
2011-10-14 Turner et al. 2013 0.8 ± 1.58
2011-08-24 Kundurthy et al. 2013 1.4 ± 0.24
2011-06-21 Kundurthy et al. 2013 -0.15 ± 0.2
2011-05-14 Kundurthy et al. 2013 0.32 ± 0.56
2011-04-27 Kundurthy et al. 2013 1.61 ± 0.24
2011-03-24 Kundurthy et al. 2013 0.26 ± 0.1
2010-10-12 Kundurthy et al. 2013 0.51 ± 0.23
2010-06-02 Kundurthy et al. 2013 0.06 ± 0.46
2010-05-16 Kundurthy et al. 2013 0.22 ± 0.15
2010-03-22 Kundurthy et al. 2013 -0.54 ± 0.35
2009-08-11 Colón et al. 2010 -0.29 ± 0.22
2009-07-05 Turner et al. 2013 3.3 ± 0.59
2009-06-22 Turner et al. 2013 3.08 ± 0.29
2009-06-13 Turner et al. 2013 4.6 ± 0.73
2009-06-13 Kundurthy et al. 2013 0.35 ± 0.19
2009-05-14 Kundurthy et al. 2013 0.92 ± 0.16
2008-08-05 Gibson et al. 2009 -0.66 ± 0.26
2008-07-26 Gibson et al. 2009 -0.37 ± 0.75
2008-07-23 Gibson et al. 2009 0.54 ± 0.48
2008-07-15 Gibson et al. 2009 0.22 ± 0.49
2008-07-06 Gibson et al. 2009 -0.67 ± 0.53
2008-07-02 Gibson et al. 2009 -0.86 ± 0.19
2008-06-15 Gibson et al. 2009 -0.55 ± 0.16
2008-05-29 Gibson et al. 2009 -0.79 ± 0.24
2008-05-08 Sozzetti et al. 2009 -1.66 ± 0.36
2008-04-13 Sozzetti et al. 2009 -0.66 ± 0.22
2008-03-27 Sozzetti et al. 2009 -0.22 ± 0.21
2008-03-16 Christiansen et al. 2011 -0.5 ± 0.59
2008-03-15 Christiansen et al. 2011 -1.22 ± 0.5
2008-03-14 Christiansen et al. 2011 -0.32 ± 0.58
2008-03-13 Christiansen et al. 2011 0.25 ± 0.5
2008-03-11 Christiansen et al. 2011 -0.39 ± 0.55
2008-03-10 Sozzetti et al. 2009 -0.65 ± 0.24
2008-03-09 Gibson et al. 2009 -0.13 ± 0.24
2008-03-07 Christiansen et al. 2011 -1.72 ± 0.5
2008-03-06 Christiansen et al. 2011 -1.1 ± 0.48
2007-04-25 Sozzetti et al. 2009 -1.4 ± 0.31
2007-04-24 Sozzetti et al. 2009 -0.81 ± 0.4
2007-03-26 O'Donovan et al. 2007 -0.9 ± 0.43
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