Récent

Nouveau transit 11/04/2025

HAT-P-3 b

223

Yves Jongen, Rasteau Observatory, 3/31/2025

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

. . .

Nouvelle observation 11/04/2025

HAT-P-3

195

Yves Jongen, Rasteau Observatory, 3/31/2025

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

. . .

Nouveau transit 01/04/2025

HAT-P-3 b

223

Mario Morales Aimar, Observatorio de Sencelles, Spain - MPC K14, 3/31/2025

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

. . .

Nouvelle observation 01/04/2025

HAT-P-3

195

Mario Morales Aimar, Observatorio de Sencelles, Spain - MPC K14, 3/31/2025

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

. . .

Nouveau transit 02/03/2025

HAT-P-3 b

223

MarSEC, MarSEC, Marana Space Explorer Center, 3/2/2025

R-C 360 mm Moravian G2-1600 Mk II

R-C 360 mm Moravian G2-1600 Mk II
co obs Stefano Lora and Giuseppe Peretto

. . .

Nouvelle observation 02/03/2025

HAT-P-3

195

MarSEC, MarSEC, Marana Space Explorer Center, 3/2/2025

R-C 360 mm Moravian G2-1600 Mk II

. . .

Nouvelle observation 31/12/2024

HAT-P-3 b

223

Claudio Lopresti, GAD Observatory - SP

LX 200 12" - ccd Sbig ST9xe

. . .

Nouveau transit 19/05/2024

HAT-P-3 b

223

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

MAO, 35cm MCT 350/1200 + Apogee Alta-U47-BB

MAO, 35cm MCT 350/1200 + Apogee Alta-U47-BB
RAW data calibrated and reduced using AstroImageJ, including information on AIRMASS and additional (optional) detrending parameters for AIRMASS.

. . .

Nouvelle observation 18/05/2024

HAT-P-3

195

Tommaso Dittadi, TD-TRO

RC 10 f/8 + Moravian G2-1600

RC 10 f/8 + Moravian G2-1600
71 x 60 sec

. . .

Nouveau transit 18/04/2024

HAT-P-3 b

223

Germán Nieto, Observatory 7 Ager (Lleida)

Newt 200 F/4+KAF8300

Newt 200 F/4+KAF8300
185 x 100 s Filter V

. . .

Nouveau transit 17/04/2024

HAT-P-3 b

223

Gustavo Javier Muler Schteinman, Observatorio Nazarett J47

S/C 305 mm F6

. . .

Nouveau transit 15/04/2024

HAT-P-3 b

223

Esteban Reina Lorenz, Masquefa Observatory

SC 250 mm f6,3 + ASI 294 MM Pro

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

. . .

Nouveau transit 15/04/2024

HAT-P-3 b

223

ramon naves, Montcabrer MPC-213

Lx200 12" ACF Moravian G4-9000

Lx200 12" ACF Moravian G4-9000
sloan i

. . .

Nouveau transit 20/03/2024

HAT-P-3 b

223

Zlatko Orbanić, Explorer Observatory-Pula

Newton Truss 254mm F/3.8 - Atik 414 Ex Mono

Newton Truss 254mm F/3.8 - Atik 414 Ex Mono
Filter-Baader SLOAN-r

. . .

Nouveau transit 14/03/2024

HAT-P-3 b

223

ramon naves, Montcabrer MPC-213

LX200 12" ACF CCD MORAVIAN g4-9000

LX200 12" ACF CCD MORAVIAN g4-9000
sloan i

. . .

Nouveau transit 17/02/2024

HAT-P-3 b

223

Nikola Antonov, Meshtitsa, Pernik, Bulgaria

250 mm F/4.7 Newtonian, CMOS ASI533MM Pro, Johnson B&V

. . .

Nouveau transit 18/01/2024

HAT-P-3 b

223

Yves Jongen, Rasteau Observatory

Planewave CDK 17" & SBIG STXL 11002

Planewave CDK 17" & SBIG STXL 11002
180 sec pics on Red filter.

. . .

Nouveau transit 23/11/2023

HAT-P-3 b

223

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1850 + CCD MI G2-1600

. . .

Nouveau transit 09/07/2023

HAT-P-3 b

223

Anas Sawallha, Irbid, Jordan

Celestron Powerseeker 127mm

Celestron Powerseeker 127mm
Ensemble

. . .

Nouveau transit 03/07/2023

HAT-P-3 b

223

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 140"

. . .

Nouveau transit 01/06/2023

HAT-P-3 b

223

guillaume biesse, Observatoire de la colline Tossius

RC8 GSO Carbon + ASI 533 MM

RC8 GSO Carbon + ASI 533 MM
Clouds at the beginning
Used 2 small star as comparison close to the candidate
first light for the ZWO 533 MM
Gain=0 offset=10 DOF

. . .

Nouveau transit 03/05/2023

HAT-P-3 b

223

ramon naves, Montcabrer MPC-213

LX200 12" ACF CCD MORAVIAN g4-9000

LX200 12" ACF CCD MORAVIAN g4-9000
SLOAN r

. . .

Nouveau transit 08/03/2023

HAT-P-3 b

223

Marc DELDEM, Les Barres Observatory (MPC K22)

0.20-m f/10 Schmidt-Cassegrain C8 + CCD ST8-XME + f/8.1 focal reducer + Avalon M-UNO

0.20-m f/10 Schmidt-Cassegrain C8 + CCD ST8-XME + f/8.1 focal reducer + Avalon M-UNO
120 secondes exposure, no filter, binning 1x1

. . .

Nouveau transit 09/02/2023

HAT-P-3 b

223

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 Y(FITS)_T1.

. . .

Nouveau transit 09/02/2023

HAT-P-3 b

223

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 Sky/Pixel_T1.

. . .

Nouveau transit 09/02/2023

HAT-P-3 b

223

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 Roundness_T1.

. . .

Nouveau transit 09/02/2023

HAT-P-3 b

223

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.

. . .

Nouveau transit 09/02/2023

HAT-P-3 b

223

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.

. . .

Nouveau transit 09/02/2023

HAT-P-3 b

223

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.

. . .

Nouveau transit 16/01/2023

HAT-P-3 b

223

Miguel Angel Alava, Sarriguren

Sc 203/2000 f10, Asi1600MM

Sc 203/2000 f10, Asi1600MM
180s exposures, IR-UV filter

. . .

Nouveau transit 09/10/2022

HAT-P-3 b

223

Roman Ehrenberger, Crow-Observatory Vranová

NWT 300/1200+MII G2-3200

. . .

Nouveau transit 11/08/2022

HAT-P-3 b

223

Eric MINY, Obsevatory BSA Fontaines en Sologne France

Newton d=300/F1365 QSI683WS

Newton d=300/F1365 QSI683WS
Exposure 60s

. . .

Nouveau transit 21/06/2022

HAT-P-3 b

223

Yves Jongen, Rasteau Observatory

Plane Wave CDK 17" + SBIG STXL11002

Plane Wave CDK 17" + SBIG STXL11002
120 sec pics on Red filter.

. . .

Nouveau transit 22/05/2022

HAT-P-3 b

223

Marco Iozzi, H.O.B Astronomical Observatory (L63)

8" F/6.75 Schmidt Cassegrain telescope + CCD (ATIK383L+)

8" F/6.75 Schmidt Cassegrain telescope + CCD (ATIK383L+)
New analysis - updated compstars - Ensemble - exp=50sec. - V filter

. . .

Nouveau transit 21/05/2022

HAT-P-3 b

223

Marco Iozzi, H.O.B Astronomical Observatory (L63)

8" F/6.75 Schmidt Cassegrain telescope + CCD (ATIK383L+)

. . .

Nouveau transit 20/05/2022

HAT-P-3 b

223

Ana Guerrero, Observatori Astronòmic Albanyà

Meade ACF 16", moravian G4-9000, 10mychron

Meade ACF 16", moravian G4-9000, 10mychron
Egress was close to sunrise, high clouds compromised the last part of the night.

. . .

Nouveau transit 22/04/2022

HAT-P-3 b

223

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

Nouveau transit 19/04/2022

HAT-P-3 b

223

A. Perrotta, D. Bertesteanu, M. Popescu, R. Gherase, AIRA Bucharest- BD4SB-T025

Newton 250, f/4, QHY 294M

Newton 250, f/4, QHY 294M
15 sec exposure, heavy light pollution, some clouds passing at the end of the transit

. . .

Nouveau transit 05/04/2022

HAT-P-3 b

223

Mark Salisbury, Private Observatory

400mm f6.8, ST10XME, AO8 guider.

400mm f6.8, ST10XME, AO8 guider.
240 second exposures through Rc filter, CCD unbinned. GPS time control.

. . .

Nouveau transit 27/03/2022

HAT-P-3 b

223

Matthew Baker, Home

TS Optics 90mm Triplet CF / 1600MM Pro 90s Exposures

TS Optics 90mm Triplet CF / 1600MM Pro 90s Exposures
Removed outliers in data on AIJ

. . .

Nouveau transit 26/03/2022

HAT-P-3 b

223

Matt Baker, Home

TS Optics 90mm Triplet CF

. . .

Nouveau transit 23/03/2022

HAT-P-3 b

223

Veli-Pekka Hentunen, Taurus Hill Observatory (A95), Varkaus, Finland

C-14, Paramount MEII, SBIG ST-8XME

C-14, Paramount MEII, SBIG ST-8XME
80 sec exposures, only one comparison star

. . .

Nouveau transit 09/11/2021

HAT-P-3 b

223

Pau Bosch, Observatori Astronòmic Albanyà

OAA gear. (16" Meade Schmidt Cassegrain,CCD Moravian G4-9000, 10Micron GEM mount, ScopeDome 4m dome)

OAA gear. (16" Meade Schmidt Cassegrain,CCD Moravian G4-9000, 10Micron GEM mount, ScopeDome 4m dome)
Had mild guiding trouble especially at the end. Short egress. Stable observation conditions, but target slightly saturated.

. . .

Nouveau transit 23/09/2021

HAT-P-3 b

223

R. Ehrenberger, Crow-Observatory Vranová

NWT 300/1200+MII G2-3200

. . .

Nouveau transit 11/07/2021

HAT-P-3 b

223

Nello Ruocco, Osservatorio Astronomico "Nastro Verde" MPC C82

Meade 14" LX200 GPS f/10 with focal reducer + ST10XME

. . .

Nouveau transit 12/06/2021

HAT-P-3 b

223

Stéphane Montchaud, Burgundy Observatory

Tsapo 100q, Zwo asi1600mm-c

Tsapo 100q, Zwo asi1600mm-c
exposure 90s, light pollution, cirrus the last part of transit, L filter

. . .

Nouveau transit 09/06/2021

HAT-P-3 b

223

Naudin Jean-Louis, Gatinais French Observatory

Reflector Orion Astrograph 8" f/3.9

. . .

Nouveau transit 16/05/2021

HAT-P-3 b

223

Giuseppe Marino, Gruppo Astrofili Catanesi

Newton 25cm + ST-7

Newton 25cm + ST-7
Exposure 100s - CCD Temp -15C - binning 1 - slight defocus - very strong light pollution - wind in the last part of the night

. . .

Nouveau transit 15/04/2021

HAT-P-3 b

223

Anaël Wünsche, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + Zwo ASI6200 Pro mono

Cassegrain 430 mm + Zwo ASI6200 Pro mono
120s exposures. Clear filter. No moon.

. . .

Nouveau transit 15/01/2021

HAT-P-3 b

223

Veli-Pekka Hentunen, Taurus Hill Observatory (A95), Varkaus, Finland

C-14, Paramount MEII, ST-8XME

C-14, Paramount MEII, ST-8XME
80 sec exposures, fours comparison stars, temperature -29 C

. . .

Nouveau transit 02/07/2020

HAT-P-3 b

223

Stephen M. Brincat, Flarestar Observatory (IAU/MPC Code:171)

0.25-m SCT+ CCD Moravian G2-1600

0.25-m SCT+ CCD Moravian G2-1600
CBB Filter Used

. . .

Nouveau transit 24/06/2020

HAT-P-3 b

223

Guy Brabant, Observatoire de la Beaume

C8, red 6.3, Atik 460EX

C8, red 6.3, Atik 460EX
187 poses de 45 s, bin 1x1

. . .

Nouveau transit 06/04/2020

HAT-P-3 b

223

Nosáľ P., Vígľaš

NWT 150/600 + Canon 20D + MPCC mk.III

. . .

Nouveau transit 06/04/2020

HAT-P-3 b

223

Francesco Scaggiante, Danilo Zardin,Marco Fiaschi, Gruppo Astrofili Salese Galileo Galilei S.M di Sala (Venezia ) ITALIA

Newton 410/1710 ccd Audine KAF1600 ME

Newton 410/1710 ccd Audine KAF1600 ME
exposure 30"
binning 2x2

. . .

Nouveau transit 05/04/2020

HAT-P-3 b

223

Jens Hennig, Ulm / Hafenbad

Skywatcher Esprit 80ED + ASI 120MC

. . .

Nouveau transit 04/04/2020

HAT-P-3 b

223

Ehrenberger R., Crow-Observatory Vranová

NWT 150/600+MII G2-8300

. . .

Nouveau transit 03/04/2020

HAT-P-3 b

223

Martin Tylšar, Hvězdárna Prostějov

NWT 200/800, CCD MII G2-8300

. . .

Nouveau transit 03/04/2020

HAT-P-3 b

223

Alberto Tomatis, Alto-Observatory

RC 16

. . .

Nouveau transit 03/04/2020

HAT-P-3 b

223

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

Nouveau transit 03/04/2020

HAT-P-3 b

223

Jean Plazas, Ribot Observatory

C14 F/7 + camera Sbig ST 10

C14 F/7 + camera Sbig ST 10
pose 120s

. . .

Nouveau transit 03/04/2020

HAT-P-3 b

223

Nosáľ P., Vígľaš

NWT 250/1200 + SBIG ST-7

. . .

Nouveau transit 31/03/2020

HAT-P-3 b

223

Veli-Pekka Hentunen, Taurus Hill Observatory (A95), Varkaus, Finland

C-14, Paramount MEII, ST-8XME

C-14, Paramount MEII, ST-8XME
60 sec exposures, three comparison stars

. . .

Nouveau transit 31/03/2020

HAT-P-3 b

223

Michael Theusner, Private observatory, Hamburg, Germany

Takahashi FSQ 106 ED, QHY 183M, EQ 6 Mount

Takahashi FSQ 106 ED, QHY 183M, EQ 6 Mount
A light pollution reduction filter was used: Hoya intensifier red enhancer (didymium). Relative photometry analysis with AstroImageJ 3.4.0. Camera settings: Gain: 0, Sensor temperature: -30 °C, Exposure time: 120s

. . .

Nouveau transit 28/03/2020

HAT-P-3 b

223

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

Nouveau transit 06/03/2020

HAT-P-3 b

223

Nosáľ P., Vígľaš

NWT 150/600 + Canon 20D + MPCC mk.III

. . .

Nouveau transit 05/03/2020

HAT-P-3 b

223

Nosáľ P., Vígľaš

NWT 250/1200 , SBIG ST-7

. . .

Nouveau transit 02/02/2020

HAT-P-3 b

223

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

PlaneWave CDK 17 SBIG STLX11002
120 sec pics on IR-UV filter.

. . .

Nouveau transit 07/01/2020

HAT-P-3 b

223

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

PlaneWave CDK 17 SBIG STLX11002
120 sec pics on IR-UV filter
6 minutes late vs. ETD

. . .

Nouveau transit 01/01/2020

HAT-P-3 b

223

Veli-Pekka Hentunen, Taurus Hill Observatory (A95), Varkaus, Finland

C-14, Paramount MEII, ST-8XME

C-14, Paramount MEII, ST-8XME
90 sec exposures, five comparison stars used

. . .

Nouveau transit 22/12/2019

HAT-P-3 b

223

Š. Gajdoš, AGO Modra (MPC code 118)

0.6-m f/5.5 reflector + CCD

0.6-m f/5.5 reflector + CCD
exposure 10s

. . .

Nouveau transit 18/06/2019

HAT-P-3 b

223

Anael Wunsche, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11K

Cassegrain 430 mm + STL 11K
120s exposures. Gfilter. Close full moon. slight defocus. Multicomparison stars. good seeing conditions.

. . .

Nouveau transit 15/06/2019

HAT-P-3 b

223

Sjoerd Dufoer, E-Eye - Heliport

40cm ODK

. . .

Nouveau transit 24/04/2019

HAT-P-3 b

223

Veli-Pekka Hentunen, Taurus Hill Observatory (A95), Varkaus, Finland

C-14, Paramount MEII, ST-8XME

C-14, Paramount MEII, ST-8XME
50 sec exposures, 5 comparison stars

. . .

Nouveau transit 22/04/2019

HAT-P-3 b

223

Mark Salisbury, Private Observatory

400mm F6.8ODK, ST10XME, AO* & filter wheel

400mm F6.8ODK, ST10XME, AO* & filter wheel
240 second exposures through Rc filter.

. . .

Nouveau transit 21/04/2019

HAT-P-3 b

223

Veli-Pekka Hentunen, Taurus Hill Observatory (A95), Varkaus, Finland

C-14, Paramount MEII, ST-8XME

C-14, Paramount MEII, ST-8XME
5 comparison stars used, 60 sec exposures, full moon, a little hazy sky, bright north sky

. . .

Nouveau transit 26/03/2019

HAT-P-3 b

223

Mario Morales, Observatorio de Sencelles, Spain - MPC K14

254 mm f/3.3 Schmidt Cassegrain - SBIG ST7XME

. . .

Nouveau transit 24/03/2019

HAT-P-3 b

223

Sjoerd Dufoer, E-Eye - Heliport

40cm ODK

. . .

Nouveau transit 23/03/2019

HAT-P-3 b

223

Luis Ribe de Pont, Les Pedritxes

C11 Edge HD, GM 200 HPS II, Moravian 16.200

. . .

Nouveau transit 23/03/2019

HAT-P-3 b

223

Jean plazas, Ribot Observatory

lunette 150 camera SBIG ST10

lunette 150 camera SBIG ST10
pose 60s

. . .

Nouveau transit 23/03/2019

HAT-P-3 b

223

Anael Wunsche, UAI B10 Baronnies Provençales Observatory

RC 82 cm - CCD FLI PL230

RC 82 cm - CCD FLI PL230
60s exposures merged by 2(each data point is a 120s equivalent). Filter V. bin1x1. Slight defocus. Multicomparison stars.

. . .

Nouveau transit 20/03/2019

HAT-P-3 b

223

Anael Wunsche, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11K

Cassegrain 430 mm + STL 11K
120sec exposures. bin1x1. Multicomparison stars. Filter V. Moon <50°. slightly defocused

. . .

Nouveau transit 17/03/2019

HAT-P-3 b

223

Anael Wunsche, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11K

Cassegrain 430 mm + STL 11K
120sec exposures filter R. Binning 1x1. defocused. Multicomparison stars.
End of night just after egress. Not a photometric perfect night with some cirrus high.

. . .

Nouveau transit 12/03/2019

HAT-P-3 b

223

Joe Garlitz, GJP Elgin, OR USA

12inch Newt w/ SBIG st402 ccd

12inch Newt w/ SBIG st402 ccd
Comp = ave of 3 stars [c2 c3 c4]

. . .

Nouveau transit 22/02/2019

HAT-P-3 b

223

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

PlaneWave CDK 17 SBIG STLX11002
120 sec pics on Green filter

. . .

Nouveau transit 22/02/2019

HAT-P-3 b

223

Anael Wunsche, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11K

Cassegrain 430 mm + STL 11K
120sec exposures filter R. Binning 1x1. defocused. Multicomparison stars.

. . .

Nouveau transit 19/02/2019

HAT-P-3 b

223

Anael Wunsche, UAI B10 Baronnies Provençales Observatory

RC 82 cm - CCD FLI PL230

RC 82 cm - CCD FLI PL230
60sec exposures filter V. Binning 1x1. defocused. Multicomparison stars.

. . .

Nouveau transit 19/02/2019

HAT-P-3 b

223

Anael Wunsche, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11K

Cassegrain 430 mm + STL 11K
120 sec exposure filter red binning 1x1 defocused and multicomparison stars

. . .

Nouveau transit 16/02/2019

HAT-P-3 b

223

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

PlaneWave CDK 17 SBIG STLX11002
120 sec pics on Green filter

. . .

Nouveau transit 30/12/2018

HAT-P-3 b

223

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + EOS 600D

. . .

Nouveau transit 11/04/2018

HAT-P-3 b

223

Rebecca Qiu, Emory Observatory

0.61cm DFM/Apogee Alta U47

. . .

Nouveau transit 03/03/2018

HAT-P-3 b

223

David Compton, Oklahoma Christian University

Edge 1100 HD, STF-8300m

Edge 1100 HD, STF-8300m
astrodon exoplanet filter, CBB used

. . .

Nouveau transit 22/02/2018

HAT-P-3 b

223

Thomas Schaefer, 68775 Ketsch, Germany

APO Refractor 115mm/800mm - Moravian G2-8300FW

APO Refractor 115mm/800mm - Moravian G2-8300FW
75/90/110s exposures, binned 5, 9 comparative stars,RMS=3.5mmag,BIC=67.6,ChiSqr=29.3, poor weather conditions near transit end.

. . .

Nouveau transit 05/07/2017

HAT-P-3 b

223

Claudio Arena, Private observatory

SkyWatcher 200/1000 mm, Meade DSI II Pro

SkyWatcher 200/1000 mm, Meade DSI II Pro
Observing from a fairly light polluted location. Some drift in the images due to differential flexures in the guiding system.

. . .

Nouveau transit 29/06/2017

HAT-P-3 b

223

Yenal Ogmen, Green Island Observatory

14" Meade LX200R+ST8XME

14" Meade LX200R+ST8XME
Intervened by high clouds during the mid eclipse and finally during the rising branch

. . .

Nouveau transit 26/06/2017

HAT-P-3 b

223

Claudio Arena, Private Observatory in Catania - ObservatoryCT

200mm Skywatcher Newtonian, ATIK 314L+, QHY guiding with finderscope. Custom roll off roof, all controlled remotely

200mm Skywatcher Newtonian, ATIK 314L+, QHY guiding with finderscope. Custom roll off roof, all controlled remotely
Autoguided session. No moon. Observation from a fairly light polluted location. Background sky count of ~12000 for a 120 sec exposure

. . .

Récent

Yves Jongen, Rasteau Observatory, 3/31/2025

Yves Jongen, Rasteau Observatory, 3/31/2025

Mario Morales Aimar, Observatorio de Sencelles, Spain - MPC K14, 3/31/2025

Mario Morales Aimar, Observatorio de Sencelles, Spain - MPC K14, 3/31/2025

MarSEC, MarSEC, Marana Space Explorer Center, 3/2/2025

MarSEC, MarSEC, Marana Space Explorer Center, 3/2/2025

Alessandro Fabi (GrAG), 4/14/2024

Claudio Lopresti, GAD Observatory - SP

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

Tommaso Dittadi, TD-TRO

Germán Nieto, Observatory 7 Ager (Lleida)

Gustavo Javier Muler Schteinman, Observatorio Nazarett J47

Esteban Reina Lorenz, Masquefa Observatory

ramon naves, Montcabrer MPC-213

Zlatko Orbanić, Explorer Observatory-Pula

ramon naves, Montcabrer MPC-213

Nikola Antonov, Meshtitsa, Pernik, Bulgaria

Yves Jongen, Rasteau Observatory

Manfred Raetz, Privatsternwarte Herges-Hallenberg

Anas Sawallha, Irbid, Jordan

Mario Morales, Observatorio de Sencelles, Spain - MPC K14

guillaume biesse, Observatoire de la colline Tossius

ramon naves, Montcabrer MPC-213

Marc DELDEM, Les Barres Observatory (MPC K22)

Andre Kovacs, MicroObservatory

Andre Kovacs, MicroObservatory

Andre Kovacs, MicroObservatory

Andre Kovacs, MicroObservatory

Andre Kovacs, MicroObservatory

Andre Kovacs, MicroObservatory

Miguel Angel Alava, Sarriguren

Roman Ehrenberger, Crow-Observatory Vranová

Eric MINY, Obsevatory BSA Fontaines en Sologne France

Yves Jongen, Rasteau Observatory

Marco Iozzi, H.O.B Astronomical Observatory (L63)

Marco Iozzi, H.O.B Astronomical Observatory (L63)

Ana Guerrero, Observatori Astronòmic Albanyà

Manfred Raetz, Privatsternwarte Herges-Hallenberg

A. Perrotta, D. Bertesteanu, M. Popescu, R. Gherase, AIRA Bucharest- BD4SB-T025

Mark Salisbury, Private Observatory

Matthew Baker, Home

Matt Baker, Home

Veli-Pekka Hentunen, Taurus Hill Observatory (A95), Varkaus, Finland

Pau Bosch, Observatori Astronòmic Albanyà

R. Ehrenberger, Crow-Observatory Vranová

Nello Ruocco, Osservatorio Astronomico "Nastro Verde" MPC C82

Stéphane Montchaud, Burgundy Observatory

Naudin Jean-Louis, Gatinais French Observatory

Giuseppe Marino, Gruppo Astrofili Catanesi

Anaël Wünsche, UAI B10 Baronnies Provencales Observatory

Veli-Pekka Hentunen, Taurus Hill Observatory (A95), Varkaus, Finland

Stephen M. Brincat, Flarestar Observatory (IAU/MPC Code:171)

Guy Brabant, Observatoire de la Beaume

Nosáľ P., Vígľaš

Francesco Scaggiante, Danilo Zardin,Marco Fiaschi, Gruppo Astrofili Salese Galileo Galilei S.M di Sala (Venezia ) ITALIA

Jens Hennig, Ulm / Hafenbad

Ehrenberger R., Crow-Observatory Vranová

Martin Tylšar, Hvězdárna Prostějov

Alberto Tomatis, Alto-Observatory

Manfred Raetz, Privatsternwarte Herges-Hallenberg

Jean Plazas, Ribot Observatory

Nosáľ P., Vígľaš

Veli-Pekka Hentunen, Taurus Hill Observatory (A95), Varkaus, Finland

Michael Theusner, Private observatory, Hamburg, Germany

Manfred Raetz, Privatsternwarte Herges-Hallenberg

Nosáľ P., Vígľaš

Nosáľ P., Vígľaš

Yves Jongen, Rasteau observatory

Yves Jongen, Rasteau observatory

Veli-Pekka Hentunen, Taurus Hill Observatory (A95), Varkaus, Finland

Š. Gajdoš, AGO Modra (MPC code 118)

Anael Wunsche, UAI B10 Baronnies Provencales Observatory

Sjoerd Dufoer, E-Eye - Heliport

Veli-Pekka Hentunen, Taurus Hill Observatory (A95), Varkaus, Finland