exoclock

WASP-52b (LOW - SPOTS)

Discovered by: Hébrard et al. 2013

The Star
Simbad
GAIA
2MASS		 WASP-52
DR2 2666015878575546496
J23135873+0845405
RA 23:13:58.7575 DEC +08:45:40.571
Parallax
5.692 mas		 P.M. RA
-6.914 mas/y		 P.M. DEC
-44.248 mas/y
MagV
12.0		 MagR
12.03		 MagI*
11.033		 MagJ
10.588		 MagH
10.186		 MagK
10.086
MagG
11.954		 MagGBP
12.444		 MagGRP
11.331
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2457058.773584 ± 5.5e-05 BJDTDB
Period
1.749781004 ± 8.5e-08 days
Transit Parameters
Hébrard et al. 2013
Rp/Rs
0.1646 ± 0.0012		 a/Rs
7.38 +0.11 -0.11
 i
85.35 +0.2 -0.2 deg
e
-		 ω
- deg
DepthR*
33.05 mmag		 Duration*
1.82 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hébrard et al. 2013
Teff
5000.0 +100.0 -100.0 K
 Log(g)
4.58 +0.01 -0.01 cm/s2
 Fe/H
0.03 +0.12 -0.12 dex
ExoClock Status
Observing Priority LOW - SPOTS
Minimum aperture 5.76"
Total Observations (Recent) 180 (25)
O-C -0.23 ± 0.089 minutes
ExoClock Observations (Recent) 142 (25)
Space Observations (Recent) 0 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 38 (0)
Kepler Rp/Rs -
TESS Rp/Rs -

WASP-52b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-52b (LOW - SPOTS)
2025-12-24		Gerold Holtkamp
Observatory Gerold Holtkamp		Newtonian 305/1500
QHY268M / Lum / 30.0		-0.74 ± 1.01
WASP-52b (LOW - SPOTS)
2025-12-10		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-1.0 ± 0.94
WASP-52b (LOW - SPOTS)
2025-11-19		John Collins
JC_Wrexham		Meade LX200GPS
ASI-290m / rpr / 60.0		-1.25 ± 0.66
WASP-52b (LOW - SPOTS)
2025-11-12		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		0.79 ± 0.73
WASP-52b (LOW - SPOTS)
2025-11-12		Maria Ponticelli
OPLA		Newtonian 200/1000
ATIK 414 / R / 60.0		-2.26 ± 0.98
WASP-52b (LOW - SPOTS)
2025-11-05		Alexander Putz
Home		Vixxen
Moravian G2-8300 / AstrodonExoPlanet-BB / 60.0		1.5 ± 2.02
WASP-52b (LOW - SPOTS)
2025-11-05		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		-0.08 ± 1.2
WASP-52b (LOW - SPOTS)
2025-11-05		Stefan Brenner
NOE Volkssternwarte AST		Martini-Truss mit Zambuto 11“ f/4,7
Omegon veTEC 571 C / Clear / 120.0		-0.66 ± 1.01
WASP-52b (LOW - SPOTS)
2025-11-05		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / R / 180.0		-0.8 ± 0.66
WASP-52b (LOW - SPOTS)
2025-10-15		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / R / 240.0		2.33 ± 1.87
WASP-52b (LOW - SPOTS)
2025-10-15		Alexey Garmash
Lyceum 130		SW Esprit 150ED
Atik 383L / V / 240.0		-1.3 ± 0.98
WASP-52b (LOW - SPOTS)
2025-09-28		Jeff Rodriguez
Moeller Observatory		Planeware PW1000
ZWO ASI 294MMpro / V / 45.0		-0.53 ± 0.24
WASP-52b (LOW - SPOTS)
2025-09-21		Jeff Rodriguez
Moeller Observatory		Planeware PW1000
ZWO ASI 294MMpro / V / 45.0		-0.13 ± 0.24
WASP-52b (LOW - SPOTS)
2025-09-16		Martin Mifsud
Manikata Observatory		Meade LX90
ZWO ASI 2600MM-Pro USB 3.0 Cooled Mono Camera / V / 300.0		-1.31 ± 1.73
WASP-52b (LOW - SPOTS)
2025-09-02		samuel Diaz Lopez
Tomas Lopez (AstroCamp)		SCA260
ASI2600MM / rpr / 109.0		0.71 ± 0.53
WASP-52b (LOW - SPOTS)
2025-09-02		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		0.26 ± 0.85
WASP-52b (LOW - SPOTS)
2025-09-02		Lluís Romero Ventura
Astro-Tolva		RC16"
MORAVIAN C3-61000EC PRO / Lum / 120.0		-1.22 ± 0.75
WASP-52b (LOW - SPOTS)
2025-08-19		Giovanni Calapai
Home Astronomical Observatory		Celestron 11 Schmidt-Cassegrain
Atik 314L+ / Clear / 90.0		-0.1 ± 0.86
WASP-52b (LOW - SPOTS)
2025-08-17		Matthew Garrrod
48 Forest		Celestron NexStar 8SE
ASI2600MM Pro / V / 65.0		1.68 ± 1.58
WASP-52b (LOW - SPOTS)
2025-08-05		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 180.0		0.31 ± 0.82
WASP-52b (LOW - SPOTS)
2025-08-05		Tommaso Dittadi
TD-TRO		Ritchey-Chretien
Moravian G2-1600 / R / 180.0		-1.58 ± 1.01
WASP-52b (LOW - SPOTS)
2025-07-22		Pedro Benedicto
Alpe		Mewlon 210
Atik 460 EX mono / Clear / 120.0		1.27 ± 0.53
WASP-52b (LOW - SPOTS)
2025-07-22		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 180.0		-1.12 ± 0.76
WASP-52b (LOW - SPOTS)
2025-07-22		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		-1.16 ± 0.65
WASP-52b (LOW - SPOTS)
2025-07-01		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		-0.83 ± 1.04
WASP-52b (LOW - SPOTS)
2025-01-01		Nevio Matteini
Blondie observatory		newton 200 f4 skywatcher
player one ares mono / Clear / 25.0		0.86 ± 2.45
WASP-52b (LOW - SPOTS)
2024-12-25		Mario Morales-Aimar
Observatorio de Sencelles MPC K14		10" Meade Schmidt Cassegrain
SBIG ST7-XME / Clear / 120.0		-0.84 ± 0.73
WASP-52b (LOW - SPOTS)
2024-12-04		Esteban Donate
Motilla del Palancar		Celestron
ZWO ASI 294 MC / Lum / 240.0		3.16 ± 1.58
WASP-52b (LOW - SPOTS)
2024-12-04		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / R / 120.0		0.08 ± 0.5
WASP-52b (LOW - SPOTS)
2024-12-04		Mario Morales-Aimar
Observatorio de Sencelles MPC K14		Reflector 10"
SBIG ST7-XME / Clear / 120.0		-0.47 ± 0.65
WASP-52b (LOW - SPOTS)
2024-12-04		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / rpr / 120.0		-1.55 ± 0.66
WASP-52b (LOW - SPOTS)
2024-12-04		Rodrigo Castillo
Rodrigo-Moro		Meade ACF-SC 10
Atik 383L+ Mono / Clear / 50.0		-2.09 ± 1.27
WASP-52b (LOW - SPOTS)
2024-11-27		Javier Alonso Santiago
INAF-OACT		Cassegrain 91cm
Moravian C4-1600EC / R / 50.0		-0.5 ± 0.33
WASP-52b (LOW - SPOTS)
2024-11-20		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 150.0		0.71 ± 0.63
WASP-52b (LOW - SPOTS)
2024-11-20		Simon Dawes
William James II		Celestron Edge11 HD
Risingcam Monochrome SONY imx571 / Lum / 190.0		0.61 ± 0.75
WASP-52b (LOW - SPOTS)
2024-11-20		Mark Salisbury
POST		Orion Optics ODK
SBIG ST-10 XME / R / 240.0		0.55 ± 0.39
WASP-52b (LOW - SPOTS)
2024-11-20		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 150.0		-1.77 ± 0.82
WASP-52b (LOW - SPOTS)
2024-10-29		Allen Lee
CAAS RRT		AG Optical 14.5 IDK
SBIG AC2020 / R / 62.0		0.34 ± 1.05
WASP-52b (LOW - SPOTS)
2024-10-23		Sonia J Rubie
Putlands Observatory		Meade LX200 Classic
SBIG ST8-XME / R / 240.0		0.2 ± 2.45
WASP-52b (LOW - SPOTS)
2024-10-23		Simon Dawes
William James II		Celestron Edge11 HD
Risingcam Monochrome SONY imx571 / Lum / 278.0		-0.37 ± 0.89
WASP-52b (LOW - SPOTS)
2024-10-11		Lee YuHsien
KMSH Observatory		C14HD
QSI-660 / R / 30.0		3.32 ± 1.58
WASP-52b (LOW - SPOTS)
2024-10-02		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 90.0		0.07 ± 1.21
WASP-52b (LOW - SPOTS)
2024-10-01		AEACI 2024
Las Cumbres, Observatorio del Teide		Smith-Cassegrain
CCD / rpr / 90.0		-1.45 ± 1.58
WASP-52b (LOW - SPOTS)
2024-08-13		samuel Diaz Lopez
Tomas Lopez (AstroCamp)		RC10
Atik16200M / V / 180.0		-1.09 ± 0.76
WASP-52b (LOW - SPOTS)
2024-07-23		samuel Diaz Lopez
Tomas Lopez (AstroCamp)		RC10
Atik16200M / V / 180.0		2.57 ± 0.94
WASP-52b (LOW - SPOTS)
2024-07-23		David Quiles
David Quiles Observatory		Celestron EDGEHD 800
Omegon veTEC 571M / R / 180.0		0.97 ± 0.59
WASP-52b (LOW - SPOTS)
2024-07-23		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Moravian G4-9000 / rpr / 120.0		-3.71 ± 0.91
WASP-52b (LOW - SPOTS)
2024-07-16		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 240.0		-1.17 ± 0.68
WASP-52b (LOW - SPOTS)
2024-07-09		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 240.0		0.76 ± 0.82
WASP-52b (LOW - SPOTS)
2024-07-09		JM Llenas, A Rosich
Observatori de Pujalt		Planewave CDK20
ZWO ASI2600MM / gpr / 120.0		0.1 ± 0.39
WASP-52b (LOW - SPOTS)
2024-07-07		Francois Regembal
HRT Deep Sky Chile		Astrosib RC360
Moravian C3 PRO 61000 / Lum / 135.0		0.38 ± 0.6
WASP-52b (LOW - SPOTS)
2024-07-02		Arushi Nath
Alnitak Observatory		17" PlaneWave CDK
Moravian Instruments C3-61000 Pro / R / 30.0		-1.65 ± 1.05
WASP-52b (LOW - SPOTS)
2023-12-13		Matthew Smith
Home		Celestron Edge HD 8
RisingCam IMX571 Mono / Lum / 180.0		1.77 ± 0.79
WASP-52b (LOW - SPOTS)
2023-11-15		Javier Alonso Santiago
INAF-OACT		Cassegrain 91cm
Moravian C4-1600EC / R / 40.0		-1.33 ± 0.35
WASP-52b (LOW - SPOTS)
2023-10-13		Alexey Garmash
Lyceum 130		EdgeHD C11
ASI2600MM pro / R / 240.0		-0.58 ± 0.45
WASP-52b (LOW - SPOTS)
2023-10-11		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		2.63 ± 0.82
WASP-52b (LOW - SPOTS)
2023-10-11		Javier Alonso Santiago
INAF-OACT		Cassegrain 91cm
Moravian C4-1600EC / R / 60.0		2.36 ± 0.89
WASP-52b (LOW - SPOTS)
2023-10-11		Mario Morales-Aimar
Observatorio de Sencelles MPC K14		Reflector 10"
SBIG ST7-XME / Clear / 70.0		0.54 ± 0.56
WASP-52b (LOW - SPOTS)
2023-10-11		Davide Pica
Private Observatory		Celestron C9.25
QHY 294 M Pro / Clear / 60.0		0.08 ± 0.45
WASP-52b (LOW - SPOTS)
2023-10-11		Hans Leipold
Kormoran		Celestron Edge HD 9.25
QSI584 / AstrodonExoPlanet-BB / 60.0		-0.12 ± 0.6
WASP-52b (LOW - SPOTS)
2023-10-04		Esteban Reina
Observatori de Masquefa		Meade LX200
ZWO ASI 294 MM Pro / R / 150.0		-3.37 ± 1.58
WASP-52b (LOW - SPOTS)
2023-09-20		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280/1850 (C11 with Starizona reducer)
Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 120.0		-0.29 ± 0.39
WASP-52b (LOW - SPOTS)
2023-09-13		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / R / 120.0		0.31 ± 0.53
WASP-52b (LOW - SPOTS)
2023-09-13		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 180.0		0.0 ± 0.79
WASP-52b (LOW - SPOTS)
2023-09-06		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 240.0		2.82 ± 1.44
WASP-52b (LOW - SPOTS)
2023-08-23		Bernhard Wenzel
Volkssternwarte Kirchheim		CAS A=60cm / F=1,8m
SBIG STL-6303-3 CCD 3072 x 2048 Pixels (9µm) / R / 60.0		0.78 ± 0.45
WASP-52b (LOW - SPOTS)
2023-08-20		Charles Miller
Miller Observatory		Meade 12" LX850
QHY268M / R / 60.0		-0.64 ± 0.92
WASP-52b (LOW - SPOTS)
2023-07-23		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / R / 120.0		1.5 ± 1.01
WASP-52b (LOW - SPOTS)
2023-07-11		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 180.0		-0.27 ± 1.27
WASP-52b (LOW - SPOTS)
2023-06-25		Jean-Pascal Vignes
Deep Sky Chile		PlaneWave CDK 17"
QHYCCD 600 M / Lum / 60.0		-2.1 ± 0.49
WASP-52b (LOW - SPOTS)
2022-12-06		Antonio Marino
MicroObservatory		MicroObservatory
CCD 650x500 / Clear / 60.0		0.11 ± 2.45
WASP-52b (LOW - SPOTS)
2022-11-29		Sauro Gaudenzi
MicroObservatory Cecilia		MicroObservatory robotic telescope
KAF-1402ME / Clear / 59.0		1.73 ± 2.16
WASP-52b (LOW - SPOTS)
2022-11-23		Claudio Lopresti
Claudio Lopresti		Meade LX200 12"
CCD Sbig ST9xe / R / 120.0		0.56 ± 0.88
WASP-52b (LOW - SPOTS)
2022-11-22		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-1.71 ± 1.37
WASP-52b (LOW - SPOTS)
2022-11-15		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-2.53 ± 2.59
WASP-52b (LOW - SPOTS)
2022-11-09		Attilio Bruzzone
Anxanum Observatory		LX200 ACF 10"
QHY 268M / R / 180.0		1.41 ± 1.2
WASP-52b (LOW - SPOTS)
2022-11-09		Robert Roth
TURMX Observatory		Planewave CDK17
QHY600M / R / 60.0		-1.07 ± 0.45
WASP-52b (LOW - SPOTS)
2022-11-08		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		2.55 ± 3.17
WASP-52b (LOW - SPOTS)
2022-11-01		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		4.02 ± 1.44
WASP-52b (LOW - SPOTS)
2022-10-28		Vikrant Kumar Agnihotri
Cepheid Observatory India		GSO Ritchey–Chrétien
SX-35 TRIUS mono (KAF11002) / Lum / 120.0		4.11 ± 1.58
WASP-52b (LOW - SPOTS)
2022-10-26		Bruno Guillet
GBRC		evscope
Sony IMX224 / Clear / 119.1		7.69 ± 3.31
WASP-52b (LOW - SPOTS)
2022-10-25		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		4.35 ± 1.87
WASP-52b (LOW - SPOTS)
2022-10-19		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		-0.65 ± 1.12
WASP-52b (LOW - SPOTS)
2022-10-11		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		2.83 ± 2.88
WASP-52b (LOW - SPOTS)
2022-10-05		Simon Dawes
William James II Observatory		Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / Lum / 120.0		0.88 ± 0.92
WASP-52b (LOW - SPOTS)
2022-09-18		Sauro Gaudenzi
MicroObservatory Ben		MicroObservatory robotic telescope
KAF-1402ME / Clear / 57.0		-4.15 ± 2.3
WASP-52b (LOW - SPOTS)
2022-08-28		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		0.42 ± 1.44
WASP-52b (LOW - SPOTS)
2022-08-24		Albino Carbognani
Loiano Home		Schmidt-Cassegrain
ASI 178 mm cooled / Clear / 120.0		1.23 ± 0.72
WASP-52b (LOW - SPOTS)
2022-08-24		Alexander Putz
Home		Vixxen
Moravian G2-8300 / R / 60.0		-1.79 ± 2.74
WASP-52b (LOW - SPOTS)
2022-08-23		Florence Libotte
IAC 80		IAC 80 equatorial german mount
Camelot2 / R / 120.0		0.48 ± 0.43
WASP-52b (LOW - SPOTS)
2022-08-17		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		1.26 ± 1.15
WASP-52b (LOW - SPOTS)
2022-08-17		Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY		Newton T305
QSI 683WS / Clear / 60.0		-0.03 ± 1.44
WASP-52b (LOW - SPOTS)
2022-08-03		Bernhard Wenzel
Vienna		Newton A=30 cm / F=1,2 m
DSLR Canon 200 D - 14 Bit / Lum / 100.0		4.79 ± 1.58
WASP-52b (LOW - SPOTS)
2021-11-30		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-5.26 ± 2.16
WASP-52b (LOW - SPOTS)
2021-11-09		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-4.72 ± 2.02
WASP-52b (LOW - SPOTS)
2021-11-03		Maurice Audejean
Observatoire ChantePerdrix UAI A77		T400
Atik 160 ex / Clear / 15.0		-0.49 ± 1.01
WASP-52b (LOW - SPOTS)
2021-11-02		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		0.06 ± 2.88
WASP-52b (LOW - SPOTS)
2021-10-26		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-4.08 ± 2.02
WASP-52b (LOW - SPOTS)
2021-10-19		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		-3.18 ± 4.32
WASP-52b (LOW - SPOTS)
2021-10-13		Michael Irzyk
Melun		C14
H694 / AstrodonExoPlanet-BB / 30.0		0.19 ± 0.72
WASP-52b (LOW - SPOTS)
2021-10-13		Giovanni Battista Casalnuovo
FSO Filzi School Observatory		RC14" f/8
QHY9 / Clear / 60.0		-1.39 ± 0.72
WASP-52b (LOW - SPOTS)
2021-10-12		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		1.46 ± 3.02
WASP-52b (LOW - SPOTS)
2021-10-05		Andre Kovacs
MicroObservatory Cecillia		152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0		0.06 ± 4.32
WASP-52b (LOW - SPOTS)
2021-09-29		Aziz Ettahar Kaeouach
High Atlas Observatory		Celestron C11 hd
Zwo asi 294 mm pro / Clear / 30.0		0.41 ± 0.58
WASP-52b (LOW - SPOTS)
2021-09-22		David Wright
Yorick (private observatory)		10" Ritchey-Chretien
QSI 683WSG-8 / R / 200.0		-3.59 ± 1.58
WASP-52b (LOW - SPOTS)
2021-09-01		Giorgio Baj
M57		Ritchey-Chretien
Sbig STT1603 ME / Clear / 120.0		2.85 ± 1.01
WASP-52b (LOW - SPOTS)
2021-07-28		Dominique DANIEL
La Montjoie		Celestron CGX C8 XLT
Camera CMOS ZWO ASI294MC pro (color) / Lum / 120.0		2.16 ± 1.87
WASP-52b (LOW - SPOTS)
2021-07-14		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 70.0		2.66 ± 1.15
WASP-52b (LOW - SPOTS)
2020-11-20		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		1.7 ± 0.43
WASP-52b (LOW - SPOTS)
2020-11-06		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		0.76 ± 0.58
WASP-52b (LOW - SPOTS)
2020-10-16		Harri Kiiskinen
Harri Kiiskinen		Takahashi FSQ-85ED
QHY163M / R / 60.0		-0.43 ± 1.73
WASP-52b (LOW - SPOTS)
2020-09-10		Vojtěch Školník
Broumov NM Observatory		Meade LX90 ACF
Meade DSI II / Clear / 90.0		-0.43 ± 0.72
WASP-52b (LOW - SPOTS)
2020-08-20		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		0.4 ± 0.43
WASP-52b (LOW - SPOTS)
2019-12-06		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		1.85 ± 1.01
WASP-52b (LOW - SPOTS)
2019-11-29		Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)		Officina Stellare RiLa 400
FLI ProLine 16803 / R / 60.0		0.01 ± 0.86
WASP-52b (LOW - SPOTS)
2019-11-08		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 120.0		0.11 ± 0.58
WASP-52b (LOW - SPOTS)
2019-10-25		Iakovos Strikis
Elizabeth Observatory of Athens		Sky Watcher Quattro
SBIG STF-8300mm / Lum / 120.0		1.19 ± 1.44
WASP-52b (LOW - SPOTS)
2019-10-08		Martin Fowler
MicroObservatory Cecilia		MicroObservatory robotic telescope
KAF 1402ME / Clear / 60.0		-2.83 ± 2.3
WASP-52b (LOW - SPOTS)
2019-09-20		Mohammad Talafha
Sharjah Optical Observatory (M47)		planewave cdk 17"
SBIG 16803 / Lum / 180.0		-2.67 ± 1.58
WASP-52b (LOW - SPOTS)
2019-09-06		Mohammad Talafha
Sharjah Optical Observatory (M47)		planewave cdk 17"
SBIG 16803 / Lum / 180.0		1.29 ± 1.58
WASP-52b (LOW - SPOTS)
2019-08-08		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		1.4 ± 0.58
WASP-52b (LOW - SPOTS)
2018-10-26		Iakovos Strikis
Elizabeth Observatory of Athens		Sky Watcher Quattro
SBIG STF-8300mm / Lum / 40.0		2.99 ± 2.88
WASP-52b (LOW - SPOTS)
2018-10-26		Stephen Futcher
Hampshire Astronomical Group, Clanfield		Ritchey-Chrétien
Moravian G4-9000 / R / 30.0		2.27 ± 0.86
WASP-52b (LOW - SPOTS)
2018-10-19		Lionel Rousselot
Private observatory Vierzon		Newton
ZWO 1600 monochrome / Clear / 90.0		1.01 ± 0.86
WASP-52b (LOW - SPOTS)
2018-10-19		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 60.0		-0.88 ± 0.36
WASP-52b (LOW - SPOTS)
2018-10-19		Stephen Futcher
Hampshire Astronomical Group, Clanfield		Ritchey-Chrétien
Moravian G4-9000 / Lum / 60.0		-3.02 ± 0.86
WASP-52b (LOW - SPOTS)
2018-09-28		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 120.0		1.54 ± 0.72
WASP-52b (LOW - SPOTS)
2018-09-21		Mario Morales-Aimar
Observatorio de Sencelles MPC K14		10" Meade Schmidt Cassegrain
SBIG ST7-XME / V / 130.0		3.16 ± 2.16
WASP-52b (LOW - SPOTS)
2017-09-01		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 120.0		2.33 ± 0.58
WASP-52b (LOW - SPOTS)
2016-09-09		Marc Deldem
Les Barres Observatory		Celestron C8
SBIG ST8-XME / Clear / 120.0		2.08 ± 1.01
WASP-52b (LOW - SPOTS)
2016-09-02		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		0.53 ± 0.43
WASP-52b (LOW - SPOTS)
2016-08-26		Nikolaos Paschalis
Nunki Observatory		Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0		-1.74 ± 1.58
WASP-52b (LOW - SPOTS)
2016-08-12		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		-0.95 ± 0.58
WASP-52b (LOW - SPOTS)
2016-08-05		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		1.67 ± 0.58
WASP-52b (LOW - SPOTS)
2016-08-05		Nikolaos Paschalis
Nunki Observatory		Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0		0.52 ± 1.01
WASP-52b (LOW - SPOTS)
2015-11-08		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 120.0		3.63 ± 0.43
WASP-52b (LOW - SPOTS)
2015-08-07		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 120.0		1.84 ± 0.32
WASP-52b (LOW - SPOTS)
2015-07-17		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 240.0		2.71 ± 0.58
WASP-52b (LOW - SPOTS)
2015-01-04		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 60.0		0.39 ± 0.58
WASP-52b (LOW - SPOTS)
2014-12-21		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 60.0		0.75 ± 0.43
WASP-52b (LOW - SPOTS)
2014-10-26		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / V / 60.0		1.32 ± 0.43
WASP-52b (LOW - SPOTS)
2013-11-03		Alfonso Carreño Garceran
Observatorio Zonalunar		Long Perng
Atik 386L / Clear / 240.0		1.78 ± 2.02

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2020-09-18 Sonbas et al. 2022 -4.32 ± 1.73
2019-10-15 Zellem et al. 2020 -0.85 ± 4.75
2019-10-01 Zellem et al. 2020 -3.08 ± 4.03
2018-10-05 Sonbas et al. 2022 -2.78 ± 1.27
2018-09-14 Sonbas et al. 2022 0.65 ± 1.17
2018-09-07 Sonbas et al. 2022 -1.23 ± 1.58
2017-10-27 Sonbas et al. 2022 -5.72 ± 1.44
2017-10-20 Sonbas et al. 2022 -1.82 ± 1.12
2017-10-13 Sonbas et al. 2022 -3.44 ± 1.02
2017-10-12 Zellem et al. 2020 2.53 ± 3.46
2017-09-22 Sonbas et al. 2022 0.5 ± 3.74
2017-01-22 Sonbas et al. 2022 -3.16 ± 2.45
2016-10-21 Öztürk et al. 2019 -0.15 ± 0.58
2016-10-09 Wang et al. 2021 1.55 ± 0.6
2016-10-07 Sonbas et al. 2022 -1.23 ± 1.53
2016-09-02 Öztürk et al. 2019 0.81 ± 0.43
2016-08-28 Bruno et al. 2018 -0.28 ± 2.88
2016-08-28 Bruno et al. 2018 -1.86 ± 4.61
2016-08-26 Öztürk et al. 2019 4.88 ± 2.59
2016-08-26 Sonbas et al. 2022 1.19 ± 0.75
2016-07-29 Öztürk et al. 2019 1.42 ± 0.86
2016-07-15 Öztürk et al. 2019 1.78 ± 0.58
2016-07-08 Öztürk et al. 2019 0.52 ± 0.43
2016-07-01 Öztürk et al. 2019 0.69 ± 0.86
2016-01-12 Wang et al. 2021 -2.71 ± 3.31
2015-08-28 Chen et al. 2017 0.47 ± 0.23
2014-09-06 Mancini et al. 2017 -0.38 ± 0.12
2014-08-30 Louden et al. 2017 0.33 ± 0.23
2014-08-23 Louden et al. 2017 0.36 ± 0.42
2014-08-21 Mancini et al. 2017 -0.98 ± 0.26
2014-08-07 Mancini et al. 2017 -0.45 ± 0.16
2014-07-24 Mancini et al. 2017 -0.51 ± 0.23
2014-07-24 Mancini et al. 2017 -0.58 ± 0.09
2013-10-20 Mancini et al. 2017 0.31 ± 0.17
2013-09-14 Mancini et al. 2017 0.99 ± 0.29
2013-07-06 Mancini et al. 2017 -1.36 ± 0.23
2012-09-08 Kirk et al. 2016 0.12 ± 0.07
2011-08-20 Hébrard et al. 2013 0.41 ± 0.13
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