Recent

New transit 11/3/2025

TrES-3 b

670

MarSEC, MarSEC, Marana Space Explorer Center, 11/3/2025

R-C 360 mm Moravian G2-1600 Mk II

. . .

New observation 11/3/2025

TrES-3

608

MarSEC, MarSEC, Marana Space Explorer Center, 11/3/2025

R-C 360 mm Moravian G2-1600 Mk II

. . .

New transit 10/6/2025

TrES-3 b

670

Manfred Raetz, Privatsternwarte Herges-Hallenberg, 9/30/2025

SCT 280 / 1870 (C11 with Starizona reducer) CCD: MII G2-1600 filter : Astrodon ExoPlanet-BB (V to IR)

SCT 280 / 1870 (C11 with Starizona reducer) CCD: MII G2-1600 filter : Astrodon ExoPlanet-BB (V to IR)
already detrended with AstroImageJ 5.5.1.00

. . .

New observation 10/6/2025

TrES-3

608

Manfred Raetz, Privatsternwarte Herges-Hallenberg, 9/30/2025

SCT 280 / 1870 (C11 with Starizona reducer) CCD: MII G2-1600 filter : Astrodon ExoPlanet-BB (V to IR)

. . .

New transit 10/5/2025

TrES-3 b

670

Penko Jordanov, Syrnegor, Bulgaria, 10/4/2025

Bresser 150/750, EXOS-2 OnStep, Altair Hipercam 183M Pro TEC, Johnson B V R

. . .

New observation 10/5/2025

TrES-3

608

Penko Jordanov, Syrnegor, Bulgaria, 10/4/2025

Bresser 150/750, EXOS-2 OnStep, Altair Hipercam 183M Pro TEC, Johnson B V R

. . .

New transit 10/4/2025

TrES-3 b

670

Mark Salisbury, Private Observatory, 9/30/2025

400mm f6.8 ODK, ST10XME, J/C Filters

400mm f6.8 ODK, ST10XME, J/C Filters
180second exposure, unfiltered. GPS time control. Analysis in AIJ. Observation started during astronomical twilight.

. . .

New observation 10/4/2025

TrES-3

608

Mark Salisbury, Private Observatory, 9/30/2025

400mm f6.8 ODK, ST10XME, J/C Filters

. . .

New transit 9/29/2025

TrES-3 b

670

Maxime Roumazeilles, Musiflore, 5/1/2025

Telescope newton 200/1000 mount HEQ 6 pro - camera ZWO178 cold -20°

Telescope newton 200/1000 mount HEQ 6 pro - camera ZWO178 cold -20°
Bad weather

. . .

New observation 9/29/2025

TrES-3

608

Maxime Roumazeilles, Musiflore, 4/30/2025

Telescope newton 200/1000 mount HEQ 6 pro - camera ZWO178 cold -20°

Telescope newton 200/1000 mount HEQ 6 pro - camera ZWO178 cold -20°
Bad weather

. . .

New transit 9/15/2025

TrES-3 b

670

Florian Signoret, Denis Huber, Marius Mezerette (GAPRA), Télescope Léonard de Vinci (TLV) Antibes, 9/13/2025

C14

. . .

New observation 9/15/2025

TrES-3

608

Florian Signoret, Denis Huber, Marius Mezerette (GAPRA), Télescope Léonard de Vinci (TLV) Antibes, 9/13/2025

C14

C14
180s clear exposures

. . .

New transit 8/24/2025

TrES-3 b

670

Alberto García Sánchez, Rio Cofio Observatory, 8/23/2025

MEADE LX200 S/C 10" + CMOS

. . .

New observation 8/24/2025

TrES-3

608

Alberto García Sánchez, Rio Cofio Observatory, 8/23/2025

MEADE LX200 S/C 10" + CMOS

. . .

New transit 8/11/2025

TrES-3 b

670

Mario Morales Aimar, Observatorio de Sencelles, Spain - MPC K14, 8/10/2025

Newtonian 250 mm f/4 - SBIG ST-7XME

Newtonian 250 mm f/4 - SBIG ST-7XME
120" EXPOSURES CLEAR FILTER

. . .

New transit 8/11/2025

TrES-3 b

670

Stanislav Holý, Ratměřice, 8/10/2025

GSO NWT 200/1000 + ZWO ASI 533MM

. . .

New observation 8/11/2025

TrES-3

608

Stanislav Holý, Ratměřice, 8/10/2025

GSO NWT 200/1000 + ZWO ASI 533MM

. . .

New observation 8/11/2025

TrES-3

608

Mario Morales Aimar, Observatorio de Sencelles, Spain - MPC K14, 8/10/2025

Newtonian 250 mm f/4 - SBIG ST-7XME

. . .

New transit 7/30/2025

TrES-3 b

670

Penko Jordanov, Beli Brezi, 7/28/2025

Bresser 150/750, EXOS-2 OnStep, Altair Hipercam 183M Pro TEC, Johnson B V R

. . .

New observation 7/30/2025

TrES-3

608

Penko Jordanov, Beli Brezi, 7/28/2025

Bresser 150/750, EXOS-2 OnStep, Altair Hipercam 183M Pro TEC, Johnson B V R

. . .

New transit 7/21/2025

TrES-3 b

670

Alberto García Sánchez, Rio Cofio Observatory, 7/21/2025

MEADE LX200 S/C 10" + CMOS ARESM PRO

. . .

New transit 7/21/2025

TrES-3 b

670

Alberto García Sánchez, Rio Cofio Observatory, 7/21/2025

MEADE LX200 S/C 10" + CMOS ARESM PRO

. . .

New observation 7/21/2025

TrES-3

608

Alberto García Sánchez, Rio Cofio Observatory, 7/20/2025

MEADE LX200 S/C 10" + CMOS ARESM PRO

. . .

New transit 7/9/2025

TrES-3 b

670

Thomas salomon, Observatoire de l'ombrée, 7/7/2025

RC 350 - QHY600 - RAPAS filters and Johnson V

RC 350 - QHY600 - RAPAS filters and Johnson V
real fllter is a Gaia RP like from RAPAS project

. . .

New observation 7/9/2025

TrES-3

608

Thomas salomon, Observatoire de l'ombrée, 7/7/2025

RC 350 - QHY600 - RAPAS filters and Johnson V

. . .

New transit 7/8/2025

TrES-3 b

670

Antonino Brosio, ABObservatory, 7/7/2025

300 mm F/4 Newtonian Reflector + ATIK 383 L

. . .

New observation 7/8/2025

TrES-3

608

Antonino Brosio, ABObservatory, 7/7/2025

300 mm F/4 Newtonian Reflector + ATIK 383 L

. . .

New transit 7/5/2025

TrES-3 b

670

Yves Jongen, Rasteau Observatory, 7/4/2025

Plane Wave CDK 17" on Plane Wave L500 mountSBIG STXL 11002

. . .

New observation 7/5/2025

TrES-3

608

Yves Jongen, Rasteau Observatory, 7/3/2025

Plane Wave CDK 17" on Plane Wave L500 mountSBIG STXL 11002

. . .

New transit 6/25/2025

TrES-3 b

670

Domenico Liguori, Antonino Brosio, Galileo Galilei Astronomical Observatory in the Scientific High School., 6/24/2025

Newton 300mm f4 + CMOS QHY268m, LRGB, Ha, OIII and SLOAN r' filter

. . .

New observation 6/25/2025

TrES-3

608

Domenico Liguori, Antonino Brosio, Galileo Galilei Astronomical Observatory in the Scientific High School., 6/24/2025

Newton 300mm f4 + CMOS QHY268m, LRGB, Ha, OIII and SLOAN r' filter

. . .

New transit 6/25/2025

TrES-3 b

670

Mario Morales Aimar, Observatorio de Sencelles, Spain - MPC K14, 6/24/2025

Newtonian 250 mm f/4 - SBIG ST-7XME

. . .

New observation 6/25/2025

TrES-3

608

Mario Morales Aimar, Observatorio de Sencelles, Spain - MPC K14, 6/24/2025

Newtonian 250 mm f/4 - SBIG ST-7XME

. . .

New transit 4/10/2025

TrES-3 b

670

John Collins, Wrexham (Personal Observatory), 4/10/2025

10inch LX200Meade F3.3 reducerASI-290m

. . .

New observation 4/10/2025

TrES-3

608

John Collins, Wrexham (Personal Observatory), 4/10/2025

10inch LX200Meade F3.3 reducerASI-290m

. . .

New transit 3/28/2025

TrES-3 b

670

Pedro Benedicto, Alpe, 3/28/2025

DK 210 Reflector

. . .

New observation 3/28/2025

TrES-3

608

Pedro Benedicto, Alpe, 3/28/2025

DK 210 Reflector

. . .

New observation 1/24/2025

TrES-3

608

Munakata Ono, 7/4/2024

. . .

New transit 1/14/2025

TrES-3 b

670

Samuel Diaz Lopez, Observatorio Tomas Lopez. AstroCamp. , 7/6/2021

SCA260 + Atik16200

. . .

New observation 1/14/2025

TrES-3

608

Samuel Diaz Lopez, Observatorio Tomas Lopez. AstroCamp. , 7/5/2021

SCA260 + Atik16200

. . .

New observation 12/8/2024

TrES-3

608

Arushi Nath, River Place Campground, 8/11/2024

Celestron 8 inch SC / Zwoasi1600gt

. . .

New transit 11/3/2024

TrES-3 b

670

Yves Jongen, Rasteau Observatory, 11/1/2024

Plane Wave CDK 17" on Plane Wave L500 mountSBIG STXL 11002

. . .

New observation 11/3/2024

TrES-3

608

Yves Jongen, Rasteau Observatory, 11/1/2024

Plane Wave CDK 17" on Plane Wave L500 mountSBIG STXL 11002

. . .

New observation 11/3/2024

TrES-3

608

Yves Jongen, Rasteau Observatory, 11/1/2024

Plane Wave CDK 17" on Plane Wave L500 mountSBIG STXL 11002

. . .

New transit 10/14/2024

TrES-3 b

670

Snaevarr Gudmundsson, Nes Observatory

406 mm LX200 SCT/SBIG STL11k CCD

406 mm LX200 SCT/SBIG STL11k CCD
120 sec, XOP-CBB filter. Aurora Borealis prevented imaging after mid-transit. Outliers eliminated.

. . .

New transit 10/7/2024

TrES-3 b

670

Penko Jordanov, Syrnegor, Plovdiv, Bulgaria

Bresser 150/750, Altair Hipercam 183M Pro TEC, Exos-2-OnStep

. . .

New transit 9/15/2024

TrES-3 b

670

Andre Kovacs, MicroObservatory

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD
Data reduced and normalized using AstroImageJ, including AIRMASS information and additional detrending parameters for Width_T1 and Roundness_T1.

. . .

New transit 9/12/2024

TrES-3 b

670

Enrique Arce Mansego, Observatorio Vallbona MPC J67

RC 10" F5.5 Zwo ASI 294 mm pro

. . .

New transit 8/9/2024

TrES-3 b

670

Yenal Ogmen, Green Island Observatory

Meade 14" LX200R + Moravian C3-26000 PRO

. . .

New transit 7/20/2024

TrES-3 b

670

Gerold Holtkamp, Home Observatory

Telescope Newtonian 250/1200, Antlia L-Filter, Camera QHY268M

. . .

New transit 7/15/2024

TrES-3 b

670

Arturo Martín, Observatorio Peñas Blancas

NEWTON 200 f5 + ASI294mm

. . .

New transit 7/15/2024

TrES-3 b

670

Samuel Diaz Lopez, AstroCamp (Spain)

RC10 + Atik16200

. . .

New transit 7/15/2024

TrES-3 b

670

ramon naves, Montcabrer MPC-213

Lx200 12" ACF Moravian G4-9000

Lx200 12" ACF Moravian G4-9000
SLOAN r

. . .

New observation 6/19/2024

TrES-3

608

Tommaso Dittadi, TD-TRO

RC 10 f/8 + Moravian G2-1600

RC 10 f/8 + Moravian G2-1600
235 x 40 sec

. . .

New transit 6/19/2024

TrES-3 b

670

Claudio Lopresti, GAD Observatory - SP

Mak-Newton 180mm F/4 - Sbig ST10xme

. . .

New transit 6/16/2024

TrES-3 b

670

Robert Majewski, RM-SRO

8 inch Meade SCT, Astro-Physics Mach2 Mount, ASI533MM Pro camera

8 inch Meade SCT, Astro-Physics Mach2 Mount, ASI533MM Pro camera
2 minute exposures through a Lum 400-700 nm filter.

. . .

New transit 6/15/2024

TrES-3 b

670

Esteban Reina Lorenz, Masquefa Observatory

SC 250 mm f6,3 + ASI 294 MM Pro

SC 250 mm f6,3 + ASI 294 MM Pro
120 sec.

. . .

New transit 6/15/2024

TrES-3 b

670

ramon naves, Montcabrer MPC-213

Lx200 12" ACF Moravian G4-9000

Lx200 12" ACF Moravian G4-9000
SLOAN r

. . .

New transit 6/13/2024

TrES-3 b

670

Yenal Ogmen, Green Island Observatory

Meade 14" LX200R + Moravian C3-26000 PRO

. . .

New transit 5/25/2024

TrES-3 b

670

Samuel Diaz Lopez, AstroCamp (Spain)

RC10 + Atik16200

. . .

New transit 5/6/2024

TrES-3 b

670

Andre Kovacs, Erika Pakštienė, Moletai Astronomical Observatory (MAO)

35/51 cm Maksutov f/3.5 (MAO) Apogee Alta U47-BB

35/51 cm Maksutov f/3.5 (MAO) Apogee Alta U47-BB
RAW data calibrated and reduced using AstroImageJ, including information on AIRMASS and additional (optional) detrending parameters for AIRMASS.

. . .

New transit 4/25/2024

TrES-3 b

670

Samuel Diaz Lopez, AstroCamp (Spain)

RC10 + Atik16200

. . .

New transit 3/30/2024

TrES-3 b

670

Miguel Angel Alava, Sarriguren

240s exposures, IR-UV filter

. . .

New transit 3/22/2024

TrES-3 b

670

Alexander Wrede, Valdin/Spain

Takahashi TOA130 / Toa 645 / Player One

Takahashi TOA130 / Toa 645 / Player One
Co-Autor: Volker Wickert, Essen (Germany)

. . .

New transit 12/5/2023

TrES-3 b

670

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1850 + CCD MI G2-1600

SCT 280 / 1850 + CCD MI G2-1600
filter : Astrodon ExoPlanet-BB (V to IR)

. . .

New transit 11/30/2023

TrES-3 b

670

N. Thomas & A. Smith, Lookout Observatory

11" SCT, Hyperstar, ASI 2600

. . .

New transit 11/30/2023

TrES-3 b

670

N. Thomas & A. Smith, Lookout Observatory

11" SCT, Hyperstar, ASI 1600

. . .

New transit 11/30/2023

TrES-3 b

670

N. Thomas & A. Smith, Lookout Observatory

11" SCT, Hyperstar, ASI 1600

. . .

New transit 11/29/2023

TrES-3 b

670

N. Thomas & A. Smith, Lookout Observatory

11" SCT, Hyperstar, ASI 1600

. . .

New transit 11/29/2023

TrES-3 b

670

N. Thomas & A. Smith, Lookout Observatory

11" SCT, Hyperstar, ASI 294

. . .

New transit 11/29/2023

TrES-3 b

670

N. Thomas & A. Smith, Lookout Observatory

11" SCT, Hyperstar, ASI 1600

. . .

New transit 11/29/2023

TrES-3 b

670

N. Thomas & A. Smith, Lookout Observatory

11" SCT, Hyperstar, ASI 1600

. . .

New transit 11/29/2023

TrES-3 b

670

N. Thomas & A. Smith, Lookout Observatory

11" SCT, Hyperstar, ASI 1600

. . .

New transit 9/28/2023

TrES-3 b

670

Andre Kovacs, MicroObservatory

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD
Data reduced and normalized using AstroImageJ, including AIRMASS information and additional detrending parameters for X(FITS)_T1 and tot_C_cnts.

. . .

New transit 9/11/2023

TrES-3 b

670

Yenal Ogmen, Green Island Observatory IAU B34

14"LX200R + Moravian C3-26000 PRO

. . .

New transit 9/10/2023

TrES-3 b

670

Stéphane Montchaud, Burgundy Observatory

C8 F/6.3, ZWO Asi 1600mm-c, Asiair

C8 F/6.3, ZWO Asi 1600mm-c, Asiair
120s exposure

. . .

New transit 9/7/2023

TrES-3 b

670

Matthieu BACHSCHMIDT, Gonachon

C11 + SBIG ST8XME

C11 + SBIG ST8XME
Astrodon BB exo filter

. . .

New transit 9/7/2023

TrES-3 b

670

Mario Morales, Observatorio de Sencelles, Spain - MPC K14

Newtonian 250 mm f/4 - SBIG ST7XME

Newtonian 250 mm f/4 - SBIG ST7XME
80 EXP. X 120"

. . .

New transit 8/21/2023

TrES-3 b

670

Bernhard Wenzel, VDS Sternwarte Kirchheim, Thüringen

NWT 200 / 900 mm, Canon 200D

NWT 200 / 900 mm, Canon 200D
Muniwin 2.1.36, Darks, Flat, iso200, 60s exposure

. . .

New transit 8/17/2023

TrES-3 b

670

Alberto García Sánchez, Rio Cofio Observatory

MEADE LX200 S/C 10" + SBIG ST8-XME

MEADE LX200 S/C 10" + SBIG ST8-XME
180 seg

. . .

New transit 8/9/2023

TrES-3 b

670

Andre Kovacs, MicroObservatory

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD
Data reduced and normalized using AstroImageJ, including AIRMASS information and additional detrending parameters for AIRMASS.

. . .

New transit 8/8/2023

TrES-3 b

670

Mohammad Odeh, Al Khatim Observatory / M44

0.35m + CCD

. . .

New transit 7/31/2023

TrES-3 b

670

Andre Kovacs, MicroObservatory

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD
Data reduced and normalized using AstroImageJ, including AIRMASS information and additional detrending parameters for AIRMASS.

. . .

New transit 7/18/2023

TrES-3 b

670

Sara Drapkin Junyent, Observatori Astronòmic Albanyà

Meade ACF 16", !0 Micron GM3000HPS, Moravian G4-9000KAF

Meade ACF 16", !0 Micron GM3000HPS, Moravian G4-9000KAF
No major complications during the observation.

. . .

New transit 7/15/2023

TrES-3 b

670

Alberto García Sánchez, Rio Cofio Observatory

MEADE LX200 S/C 10" + SBIG ST8-XME

MEADE LX200 S/C 10" + SBIG ST8-XME
120 seg Bin 1

. . .

New transit 7/14/2023

TrES-3 b

670

Mario Morales, Observatorio de Sencelles, Spain - MPC K14

Newtonian 250 mm F/4 - SBIG ST7XME

Newtonian 250 mm F/4 - SBIG ST7XME
82 exp. x 120"

. . .

New transit 6/30/2023

TrES-3 b

670

Dr. Horst Braunwarth, Hamburg

CPC925 f/6,3 ASI183MM Pro

. . .

New transit 6/28/2023

TrES-3 b

670

Andre Kovacs, MicroObservatory

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD
Data reduced and normalized using AstroImageJ, including AIRMASS information and additional detrending parameters for X(FITS)_T1.

. . .

New transit 6/27/2023

TrES-3 b

670

Nico Montigiani, Massimiliano Mannucci, Osservatorio Astronomico Margherita Hack, Firenze

C14 f/8.25 + CCD SBIG ST10XME

. . .

New transit 6/27/2023

TrES-3 b

670

Andre Kovacs, MicroObservatory

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD
Data reduced and normalized using AstroImageJ, including AIRMASS information and additional detrending parameters for AIRMASS.

. . .

New transit 6/16/2023

TrES-3 b

670

Andre Kovacs, MicroObservatory

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD
Data reduced and normalized using AstroImageJ, including AIRMASS information and additional detrending parameters for AIRMASS.

. . .

New transit 6/12/2023

TrES-3 b

670

Andre Kovacs, MicroObservatory

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD
Data reduced and normalized using AstroImageJ, including AIRMASS information and additional detrending parameters for AIRMASS.

. . .

New transit 5/30/2023

TrES-3 b

670

Gerold Holtkamp, Private

Newton 10", Antlia-L-Filter, Camera QHY268M

Newton 10", Antlia-L-Filter, Camera QHY268M
Antlia-L-Filter used

. . .

New transit 5/29/2023

TrES-3 b

670

Andre Kovacs, MicroObservatory

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD
Data reduced and normalized using AstroImageJ, including AIRMASS information and additional detrending parameters for AIRMASS.

. . .

New transit 5/26/2023

TrES-3 b

670

Andre Kovacs, MicroObservatory

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD
Data reduced and normalized using AstroImageJ, including AIRMASS information and additional detrending parameters for AIRMASS.

. . .

New transit 5/9/2023

TrES-3 b

670

Andre Kovacs, MicroObservatory

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD

6" Maksutov f/3.8 (Cecillia) KAF-1402ME CCD
Data reduced and normalized using AstroImageJ, including AIRMASS information and additional detrending parameters for Width_T1 and Roundness_T1.

. . .