Recent

New transit 9/26/2025

HAT-P-25 b

John Collins, Wrexham (Personal Observatory), 9/26/2025

10inch LX200Meade F3.3 reducerASI-290m

. . .

New observation 9/26/2025

HAT-P-25

John Collins, Wrexham (Personal Observatory), 9/26/2025

10inch LX200Meade F3.3 reducerASI-290m

. . .

New transit 12/30/2024

HAT-P-25 b

Yves Jongen, Rasteau Observatory, 12/29/2024

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

. . .

New observation 12/30/2024

HAT-P-25

Yves Jongen, Rasteau Observatory, 12/29/2024

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

. . .

New transit 1/29/2024

HAT-P-25 b

F. Lomoz, Sedlčany

REFR200/3000+C3-61000

. . .

New transit 1/7/2024

HAT-P-25 b

Germán Nieto, Observatory 7 Ager (Lleida)

Newt 200 F/4+KAF8300

Newt 200 F/4+KAF8300
49 x 300 s Filter V

. . .

New transit 12/10/2023

HAT-P-25 b

Snaevarr Gudmundsson, Nes Observatory

406 mm LX200 SCT/SBIG STL11k CCD

406 mm LX200 SCT/SBIG STL11k CCD
120 sec. High altitude clouds influenced the run after mid-transit until egress was over.

. . .

New transit 8/27/2023

HAT-P-25 b

Bernhard Wenzel, Volkssternwarte Kirchheim (Germnay-Thüringen)

CAS 60cm / F=1,8m SBIG STL 6303-3 CCD

CAS 60cm / F=1,8m SBIG STL 6303-3 CCD
Muniwin 2.1.36, ENSEMBLE
https://app.aavso.org/vsp/chart/X28971BC.png
STL 6303-3, 3072 x 2048 Pixels (9µm)
temp:-10°C

. . .

New transit 5/16/2023

HAT-P-25 b

Steven W. Peterson, Vail View Observatory H18

GSO RC 10" f/8.0; SBIG STL6303E

GSO RC 10" f/8.0; SBIG STL6303E
685nm IR Long-Pass Filter

. . .

New transit 1/15/2023

HAT-P-25 b

Rene Roy, Blauvac MPC 627

T 400mm f4.53+ ZWO asi 1600 MMC

. . .

New transit 8/28/2022

HAT-P-25 b

jean plazas, Ribot Observatory

C14 F/7+ camera SBIG STF-8300 M

C14 F/7+ camera SBIG STF-8300 M
Exposure 150s
Haze

. . .

New transit 11/23/2021

HAT-P-25 b

Mohammad Fadel Talafha, Sharjah Observatory M47 / SAASST

CDK 17" , SBIG 16803

. . .

New transit 10/29/2021

HAT-P-25 b

Lomoz F., Sedlčany

NWT 300/1200+ST2000XM

NWT 300/1200+ST2000XM
exp. 50s

. . .

New transit 10/29/2021

HAT-P-25 b

F. Lomoz, Sedlčany

SNT254/1016+G2-8300

SNT254/1016+G2-8300
exp. 50s

. . .

New transit 10/3/2021

HAT-P-25 b

Yves Jongen, Deep Sky Chile

Plane Wave CDK 17" & Moravian 4G

Plane Wave CDK 17" & Moravian 4G
120 sec pics on IR-UV filter.

. . .

New transit 12/27/2019

HAT-P-25 b

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

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

. . .

New transit 12/5/2019

HAT-P-25 b

F. Lomoz, Sedlčany

SNT 254/1016+G2-8300

SNT 254/1016+G2-8300
exp. 60s

. . .

New transit 12/5/2019

HAT-P-25 b

F. Lomoz, Sedlčany

Newton 300/1200+ST2000XM

Newton 300/1200+ST2000XM
exp. 80s

. . .

New transit 10/14/2019

HAT-P-25 b

Eric Girardin, Grand-Pra

RCO 0.4m CCD FLI 4710

RCO 0.4m CCD FLI 4710
Multiple comparison stars. FWHM: 6.2 pixels

. . .

New transit 12/13/2018

HAT-P-25 b

Francesco Scaggiante, Danilo Zardin, 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 70"

. . .

New transit 12/12/2018

HAT-P-25 b

Pietro Aceti, Massimo Banfi, Osservatorio Astronomico Città di Seveso C24

MEADE LX200 SBIG ST8-XME

. . .

New transit 12/2/2017

HAT-P-25 b

Nikolay Mishevskiy, Ananjev (L33, IAU)

254mm reflector + CCD ATIK 314L

. . .

New transit 1/17/2017

HAT-P-25 b

David Molina, Rivas Vaciamadrid

S/C 203mm + CCD ST8xme

S/C 203mm + CCD ST8xme
180",bin 1x1,filter clear,6 comparison stars

. . .

New transit 1/6/2017

HAT-P-25 b

David Molina, Rivas Vaciamadrid

180",bin 1x1,filter clear,6 comparison stars

. . .

New transit 10/3/2016

HAT-P-25 b

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

Meade 16" ACF, Paramount ME, SBIG ST-8XME

Meade 16" ACF, Paramount ME, SBIG ST-8XME
119 unfiltered images, 120 sec exposure time, 11 comparison stars used

. . .

New transit 1/25/2016

HAT-P-25 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

RC 82 cm - CCD FLI PL230

RC 82 cm - CCD FLI PL230
60 sec exposure merged 2 frames filter LNIR binning 2x2 defocussed -0.2mm and multico,parison stars

. . .

New transit 1/25/2016

HAT-P-25 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

RC 82 cm - CCD FLI PL230

RC 82 cm - CCD FLI PL230
60 sec exposure filter LNIR binning 2x2 defocussed and multi comparison stars

. . .

New transit 1/14/2016

RC 500 f/6 + CCD FLI PROLINE 4710
AAAV-Ass.ne Astrofili Alta Valdera
(www.astrofilialtavaldera.it)
Observers: Maurizio Feraboli, Dario Ciurli, Alberto Villa, Lorenzo Bigazzi, Silvia Gingillo.
Clear sky till 22.38 TU, then clouds.

. . .

New transit 12/25/2015

HAT-P-25 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory, CANADA

Meade 14" LX200GPS; SBIG STL1301E

Meade 14" LX200GPS; SBIG STL1301E
Processed with artificial star 4x4x8 at binning 2.
Used only reference stars C1-C5, C12

. . .

New transit 12/12/2015

HAT-P-25 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11k

Cassegrain 430 mm + STL 11k
240 sec exposure filter clear binning 1x1 defocused & multi comparison stars

. . .

New transit 11/3/2015

HAT-P-25 b

Matthieu BACHSCHMIDT, Ferme

C11 + SBIG ST8XME

C11 + SBIG ST8XME
stars defocused, 120s exposure.

. . .

New transit 11/2/2015

HAT-P-25 b

Dittler, Ullrich, Exoplaneten-Observatorium.de

SCT 11 EdgeHD, Reducer, SBIG STF-8300, Astrodon Exoplanet-Filter

. . .

New transit 11/2/2015

HAT-P-25 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11k

Cassegrain 430 mm + STL 11k
240 sec exposure binning 1x1 filter clear defocused & multicomparison stars

. . .

New transit 10/22/2015

HAT-P-25 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11k

Cassegrain 430 mm + STL 11k
240 sec exposure filter clear binning 2x2 defocused stars & one star comparison

. . .

New transit 10/15/2015

HAT-P-25 b

Stephane Ferratfiat, Observatoire de Vauvenargues

C14 et QSI 583 wsg

C14 et QSI 583 wsg
106 poses de 120s en binning x2.Pilotage monture et CCD avec The Sky XPro défocalisation.Autoguidage PL1M avec PHDGuiding2

. . .

New transit 2/12/2015

HAT-P-25 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11K

Cassegrain 430 mm + STL 11K
60 sec exposure filter Clear bin 3x3
seeing 2 arcsec

. . .

New transit 2/12/2015

HAT-P-25 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

RC 820 mm Altazimutal + FLI PL230

RC 820 mm Altazimutal + FLI PL230
60 sec exposure binning 2x2 filter V
seeing 2 arcsec

. . .

New transit 2/1/2015

HAT-P-25 b

Alfonso Carreno, Observatorio Zonalunar MPC-J08

Refractor 100mm f6 + CCD Atik 383L + Off-Axis Guide

Refractor 100mm f6 + CCD Atik 383L + Off-Axis Guide
240 seconds unfiltered

. . .

New transit 1/11/2015

HAT-P-25 b

Jose Luis Martin, Carpe Noctem Obs.

12" f 5.6 RC +CCD

. . .

New transit 12/21/2014

HAT-P-25 b

Ferran Grau Horta, Ca l Ou (MPC-C71)

S/C 305mm f10 + CCD FLI PL1001E-1

. . .

New transit 11/20/2014

HAT-P-25 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Refractor 110 mm - ST8xme

Refractor 110 mm - ST8xme
Binning 3x3 - 240 sec exposure

. . .

New transit 11/20/2014

HAT-P-25 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

RC 82 cm - CCD FLI PL230

RC 82 cm - CCD FLI PL230
120 sec filter V binning 2x2

. . .

New transit 11/11/2014

HAT-P-25 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory, CANADA

Meade 12\\\" LX200; SBIG ST10XME CCD

Meade 12\\\" LX200; SBIG ST10XME CCD
CBB (clear blue-blocking filter).
Processed with artificial star technique at 7x5x10 at binning 2.
Exposure 60s.
HJD.
Used only reference stars C1, C4, C6-C11, C13, C16.
Pier 5.

. . .

New transit 10/29/2014

HAT-P-25 b

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

Newton 410/1710 ccd Audine KAF402ME

. . .

New transit 10/14/2014

HAT-P-25 b

Olivier GERTEIS, Saint-Michel l Observatoire / OHP @511

Newton 250 f/d=4, EQ6, ST10XME

. . .

New transit 10/1/2014

HAT-P-25 b

Cyprien Pouzenc, Observatoire Sirene

Newton reflector Vixen 200/800, Trassud Zx4 mount, Audine Kaf400 camera

. . .

New transit 2/17/2014

HAT-P-25 b

Vanessa Logan and Karen Lewis, Lowell Observatory

Lowell 31\\\", NASAcam 2Kx2K Loral CCD

. . .

New transit 2/17/2014

HAT-P-25 b

Vanessa Logan and Karen Lewis, NURO 31\'\' Lowell Observatory

Lowell 31\'\', NASAcam 2Kx2K Loral CCD

. . .

New transit 12/20/2013

HAT-P-25 b

Giuseppe Marino, private observatory of Giuseppe Giardina

Newtonian 25cm f/4.7 + SBIG ST-7

Newtonian 25cm f/4.7 + SBIG ST-7
CCD Temp.: -13 °C
Exp.: 200 s
Bin.: 1x1
Moon + very strong light pollution
Sky: clear
Autoguide: on

. . .

New transit 12/9/2013

HAT-P-25 b

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

Newton 410/1710 ccd Audine KAF402ME

. . .

New transit 12/9/2013

HAT-P-25 b

Anna Loginovskaj, Yuri Karavaev, Sayan Solar Observatory

Zeiss-600 0.6-m f/12.5, CCD 512x512

. . .

New transit 12/5/2013

HAT-P-25 b

Paul Benni, Acton Sky Portal

C8EdgeHD SCT, ST8300M ccd, & CGEM

C8EdgeHD SCT, ST8300M ccd, & CGEM
BBC filter, 8 star ensemble, clear sky, start of transit much earlier then expected by > 20 minutes. I use Dimension4 software to maintain accurate time (<1 sec) on all my LC recordings.

. . .

New transit 11/30/2013

HAT-P-25 b

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

Newton 410/1710 ccd Audine KAF402ME

. . .

New transit 11/7/2013

HAT-P-25 b

Mark Salisbury, Private Observatory

400mm f6.8 ODK, ST10XME, AO8 & filter wheel

400mm f6.8 ODK, ST10XME, AO8 & filter wheel
CCD binned 3x3. 60 second unfiltered exposure binned x3. Observations interupted during ingress.

. . .

New transit 11/4/2013

HAT-P-25 b

Eugene Sokov, Sergei Rusov, Pulkovo Observatory

Maksutov reflector; f8.2; 500 mm; SBIG ST-L 1001E CCD camera

Maksutov reflector; f8.2; 500 mm; SBIG ST-L 1001E CCD camera
Exposure - 30 sec.

. . .

New transit 1/29/2013

HAT-P-25 b

Denis Gorshanov, Eugene Sokov, Iraida Vereshchagina, Pulkovo Observatory

Maksutov reflector; f8.2; 500 mm; SBIG ST-L 1001E CCD camera

Maksutov reflector; f8.2; 500 mm; SBIG ST-L 1001E CCD camera
Time of exposition - 30 sec. Average data.

. . .

New transit 12/9/2012

HAT-P-25 b

Alexander Ivanov, Eugene Sokov, Mount Astronomical station of Pulkovo Observatory

Maksutov reflector; f8.2; 500 mm; SBIG ST-L 1001E CCD camera

Maksutov reflector; f8.2; 500 mm; SBIG ST-L 1001E CCD camera
Time of exposition - 40 sec.

. . .

New transit 10/10/2012

HAT-P-25 b

Janko Mravik, Jaroslav Grnja, Night Hawk

GSO 250/1250 + EQ6 + SBIG st7

GSO 250/1250 + EQ6 + SBIG st7
100 sec exposition

. . .

New transit 1/25/2012

HAT-P-25 b

Denis Gorshanov, Eugene Sokov, Pulkovo Observatory

C 320mm f10 + CCD FLI 1001E

C 320mm f10 + CCD FLI 1001E
Time of the exposition - 120 sec

. . .

New transit 1/3/2012

HAT-P-25 b

Anthony Ayiomamitis, Private Observatory

AP 305/f3.8 RHA, SBIG ST-10XME, SBIG CFW10, SBIG CCD LRGB filters

AP 305/f3.8 RHA, SBIG ST-10XME, SBIG CFW10, SBIG CCD LRGB filters
Nearly nine-day old moon very close with high humidity and frigid temperatures.

. . .

New transit 12/23/2011

HAT-P-25 b

Ramon Naves, M

S/C 305mm f6 + CCD ST8XME+AO8

S/C 305mm f6 + CCD ST8XME+AO8
120\\\"

. . .

New transit 2/13/2011

HAT-P-25 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Meade 12\\\" LX200; SBIG ST10XMECCD

Meade 12\\\" LX200; SBIG ST10XMECCD
CBB filter
Processed with artificial star technique at 7X4X10

. . .

New transit 1/10/2011

HAT-P-25 b

Maurice Audejean, Chinon Observatory / Station B92

0.32-m f/6 Newtonian reflector + CCD

. . .

New transit 12/30/2010

HAT-P-25 b

Veli-Pekka Hentunen, Taurus Hill Observatory (A95)

C-14, Paramount ME, SBIG ST8-XME

C-14, Paramount ME, SBIG ST8-XME
156 unfiltered exposures of 80 sec, four comparison stars, seeing 3-4 arc sec, frostwork/fog

. . .

New transit 11/13/2010

HAT-P-25 b

Dieter Husar, SATINO2

12\\\" Schmidt-Cassegrain; CCD: SBIG ST8

12\\\" Schmidt-Cassegrain; CCD: SBIG ST8
luminanz-filter, 5 reference stars used for photometry, only beginning of occultation observed
transit length 169 minutes adopted to findout midtransit time

. . .

New transit 11/5/2010

HAT-P-25 b

vanhuysse michael, oversky observatory tacande La Palma

c14 stl1001e aol paramount me

c14 stl1001e aol paramount me
sloan r filter
oversky observatory lapalma

. . .

New exoplanet 1/1/1970

HAT-P-25 b

admin

RA: 48.4333333200, DE: 25.1974999990

. . .

New star 1/1/1970

HAT-P-25

admin

. . .

Recent

John Collins, Wrexham (Personal Observatory), 9/26/2025

John Collins, Wrexham (Personal Observatory), 9/26/2025

Yves Jongen, Rasteau Observatory, 12/29/2024

Yves Jongen, Rasteau Observatory, 12/29/2024

F. Lomoz, Sedlčany

Germán Nieto, Observatory 7 Ager (Lleida)

Snaevarr Gudmundsson, Nes Observatory

Bernhard Wenzel, Volkssternwarte Kirchheim (Germnay-Thüringen)

Steven W. Peterson, Vail View Observatory H18

Rene Roy, Blauvac MPC 627

jean plazas, Ribot Observatory

Mohammad Fadel Talafha, Sharjah Observatory M47 / SAASST

Lomoz F., Sedlčany

F. Lomoz, Sedlčany

Yves Jongen, Deep Sky Chile

Yves Jongen, Rasteau observatory

F. Lomoz, Sedlčany

F. Lomoz, Sedlčany

Eric Girardin, Grand-Pra

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

Pietro Aceti, Massimo Banfi, Osservatorio Astronomico Città di Seveso C24

Nikolay Mishevskiy, Ananjev (L33, IAU)

David Molina, Rivas Vaciamadrid

David Molina, Rivas Vaciamadrid

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

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Marc Bretton, UAI B10 Baronnies Provencales Observatory

AAAV Astrofili Valdera, Oss Astr G.Galilei-Libbiano Mpc code B33

Stan Shadick, University of Saskatchewan Physics Roof Observatory, CANADA

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Matthieu BACHSCHMIDT, Ferme

Dittler, Ullrich, Exoplaneten-Observatorium.de

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Stephane Ferratfiat, Observatoire de Vauvenargues

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Alfonso Carreno, Observatorio Zonalunar MPC-J08

Jose Luis Martin, Carpe Noctem Obs.

Ferran Grau Horta, Ca l Ou (MPC-C71)

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Stan Shadick, University of Saskatchewan Physics Roof Observatory, CANADA

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

Olivier GERTEIS, Saint-Michel l Observatoire / OHP @511

Cyprien Pouzenc, Observatoire Sirene

Vanessa Logan and Karen Lewis, Lowell Observatory

Vanessa Logan and Karen Lewis, NURO 31\'\' Lowell Observatory

Giuseppe Marino, private observatory of Giuseppe Giardina

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

Anna Loginovskaj, Yuri Karavaev, Sayan Solar Observatory

Paul Benni, Acton Sky Portal

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

Mark Salisbury, Private Observatory

Eugene Sokov, Sergei Rusov, Pulkovo Observatory

Denis Gorshanov, Eugene Sokov, Iraida Vereshchagina, Pulkovo Observatory

Alexander Ivanov, Eugene Sokov, Mount Astronomical station of Pulkovo Observatory

Janko Mravik, Jaroslav Grnja, Night Hawk

Denis Gorshanov, Eugene Sokov, Pulkovo Observatory

Anthony Ayiomamitis, Private Observatory

Ramon Naves, M

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Maurice Audejean, Chinon Observatory / Station B92

Veli-Pekka Hentunen, Taurus Hill Observatory (A95)

Dieter Husar, SATINO2

vanhuysse michael, oversky observatory tacande La Palma

admin

admin