Recent

New transit 4/12/2025

HAT-P-12 b

156

Kyle Carr, Walnut Park, 4/12/2025

Celestron C8 with 0.63 reducer, ZWO ASI533MM Pro with Astrodon Exoplanet Blue Blocking filter

. . .

New observation 4/12/2025

HAT-P-12

153

Kyle Carr, Walnut Park, 4/12/2025

Celestron C8 with 0.63 reducer, ZWO ASI533MM Pro with Astrodon Exoplanet Blue Blocking filter

. . .

New transit 4/1/2025

HAT-P-12 b

156

Penko Jordanov, Dimitrovgrad, 3/7/2025

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

Bresser 150/750, Exos-2 OnStep, Altair Hipercam 183M Pro TEC, Photometric Johnson B, V, R
BJD_TDB Source_AMag_T1 Source_AMag_Err_T1

. . .

New observation 4/1/2025

HAT-P-12

153

Penko Jordanov, Dimitrovgrad, 3/7/2025

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

Bresser 150/750, Exos-2 OnStep, Altair Hipercam 183M Pro TEC, Photometric Johnson B, V, R
BJD_TDB Source_AMag_T1 Source_AMag_Err_T1

. . .

New transit 7/14/2024

HAT-P-12 b

156

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 6/24/2024

HAT-P-12 b

156

Filip Walter, Štefánik observatory, Prague

MARK Meade SCT 406/4060 + CMOS ZWO ASI 1600mm pro

MARK Meade SCT 406/4060 + CMOS ZWO ASI 1600mm pro
Exposures combined 2 x 240s, filter J-C Rc, hw binning 4x, sw binning 2x High moisture, clouds, 95% Moon, low, Bortle 7

. . .

New transit 6/24/2024

HAT-P-12 b

156

Filip Walter, Štefánik observatory, Prague

MARK Meade SCT 406/4060 + CMOS ZWO ASI 1600mm pro

MARK Meade SCT 406/4060 + CMOS ZWO ASI 1600mm pro
Exposures 240s, filter J-C Rc, hw binning 4x, sw binning 2x

High moisture, clouds, 95% Moon, low, Bortle 7

. . .

New transit 5/27/2024

HAT-P-12 b

156

Alberto García Sánchez, Rio Cofio Observatory

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

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

. . .

New transit 4/12/2024

HAT-P-12 b

156

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 1/24/2024

HAT-P-12 b

156

N. Thomas & A. Smith, Lookout Observatory

11" SCT, Hyperstar, ASI 1600

. . .

New transit 5/31/2023

HAT-P-12 b

156

Stéphane Montchaud, Burgundy Observatory

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

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

. . .

New transit 5/30/2023

HAT-P-12 b

156

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 Peak_T1.

. . .

New transit 4/21/2023

HAT-P-12 b

156

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 4/18/2023

HAT-P-12 b

156

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 3/29/2023

HAT-P-12 b

156

Petr Dvořák, MUO Brno

Newton 600/2780 + G4-16000

. . .

New transit 2/7/2023

HAT-P-12 b

156

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 2/7/2023

HAT-P-12 b

156

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 2/7/2023

HAT-P-12 b

156

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 J.D.-2400000.

. . .

New transit 2/7/2023

HAT-P-12 b

156

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 2/7/2023

HAT-P-12 b

156

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.

. . .

New transit 2/7/2023

HAT-P-12 b

156

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 J.D.-2400000.

. . .

New transit 2/7/2023

HAT-P-12 b

156

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 tot_C_cnts.

. . .

New transit 2/7/2023

HAT-P-12 b

156

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 2/7/2023

HAT-P-12 b

156

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 and J.D.-240000.

. . .

New transit 2/7/2023

HAT-P-12 b

156

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 and Y(FITS)_T1.

. . .

New transit 12/16/2022

HAT-P-12 b

156

Maxime ROUMAZEILLES, Chandolin, Suisse

Newton Telescope 200/1000, Orion Atlas, ZWO 178 AMM cooled at-15°C, setup drived by NINA

Newton Telescope 200/1000, Orion Atlas, ZWO 178 AMM cooled at-15°C, setup drived by NINA
212 frames, 60seconds, 60 ISO
Data were collected by teenagers during a science camp with Objectif Sciences International

. . .

New transit 4/18/2022

HAT-P-12 b

156

Albert Valenzuela Gonzalez, ARILENA-2 (Guadalaviar-TERUEL)

Starblast 4.5 + Samsung NX Mini (DSLR Sony IMX183 Chip)

Starblast 4.5 + Samsung NX Mini (DSLR Sony IMX183 Chip)
40s ISO800

. . .

New transit 3/2/2022

HAT-P-12 b

156

Gianluca Rossi, Private telescope

Newton 6" f/4.6 QHY268 mono

Newton 6" f/4.6 QHY268 mono
Sloan I filter. Individual exposures of 200 seconds, camera gain 59 offset 20

. . .

New transit 3/2/2022

HAT-P-12 b

156

SW johny, Backyard

254mm Reflector f4 / ASI174mm

254mm Reflector f4 / ASI174mm
73 x 1 min (then the wind became strong)

. . .

New transit 5/20/2021

HAT-P-12 b

156

Yves Jongen, Rasteau Observatory

Plane Wave CDK 17" & SBIG STXL11002

Plane Wave CDK 17" & SBIG STXL11002
120 sec pics on IR-UV filter.

. . .

New transit 4/26/2021

HAT-P-12 b

156

Naudin Jean-Louis, Naudin Observatory

Sharpstar 61EDPH APO f/4.5, ZWO ASI 294MC pro

. . .

New transit 4/21/2021

HAT-P-12 b

156

NAUDIN Jean-Louis, Naudin Observatory

Sharpstar 61EDPH APO Triplet, ZWO ASI 294MC Pro

. . .

New transit 4/11/2021

HAT-P-12 b

156

daniel Verilhac, TRUC

Mewlon200mm F/D 12 Atik 314L

Mewlon200mm F/D 12 Atik 314L
exp: 180 sec no autoguiding (test)

. . .

New transit 4/10/2021

HAT-P-12 b

156

Stephane Neveu, courtyard

Newton 200 /F4, Ccd Atik 314

. . .

New transit 4/5/2021

HAT-P-12 b

156

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

C14 f/8.25 + CCD SBIG ST10XME

. . .

New transit 4/5/2021

HAT-P-12 b

156

Matthieu BACHSCHMIDT, Gonachon

C11 + SBIG ST8XME

C11 + SBIG ST8XME
BB exo filter, 60s exposure

. . .

New transit 3/23/2021

HAT-P-12 b

156

Yves Jongen, Rasteau Observatory

Plane Wave CDK 17" & SBIG STXL11002

Plane Wave CDK 17" & SBIG STXL11002
120 sec pics on IR-UV filter.

. . .

New transit 3/20/2021

HAT-P-12 b

156

Yves Jongen, Rasteau Observatory

Plane Wave CDK 17" & SBIG STXL11002

Plane Wave CDK 17" & SBIG STXL11002
120 sec pics on IR-UV filter.

. . .

New transit 3/14/2021

HAT-P-12 b

156

Laurie Sibbald, Private Observatory

203 mm SC, 140 mm Refractor, Mesu 200 MkII Mount, ASI 1600MM, ASI 2600MM

203 mm SC, 140 mm Refractor, Mesu 200 MkII Mount, ASI 1600MM, ASI 2600MM
140 mm Refractor ASI 2600 MM , gain 0, offset 50. UV IR Cut Filter, 120 sec Exposures. Dawn breaking at transit end.

. . .

New transit 6/23/2020

HAT-P-12 b

156

Riccardo Papini, WBRO K49

SCT 232 mm f10 CCD SBIG ST8XME

SCT 232 mm f10 CCD SBIG ST8XME
clouds at the end of session

. . .

New transit 6/7/2020

HAT-P-12 b

156

Fabio Mortari, Obs. HYPATIA

NEWTON GSO 250 F/4.9 + SBIG ST8-X3

. . .

New transit 6/7/2020

HAT-P-12 b

156

Lorenzo Barbieri, Gaetano Brando, AAB Medelana (BO) Italy

Newton 400mm f/5

Newton 400mm f/5
A lot of wind, some clouds, full moon

. . .

New transit 4/24/2020

HAT-P-12 b

156

Nosáľ P., Vígľaš

REF 102/500 + SBIG ST7

. . .

New transit 4/23/2020

HAT-P-12 b

156

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

New transit 4/23/2020

HAT-P-12 b

156

de Visscher Simon, Backyard observatory

AP130EDT@f/8, ST10xme

AP130EDT@f/8, ST10xme
25sec exposure time, reasonable seeing, good transparency (mv~5.7)

. . .

New transit 4/23/2020

HAT-P-12 b

156

Petr Pokorný, Česká Lípa

NWT 200/800 + Canon 600D

NWT 200/800 + Canon 600D
exp.120s, ISO 800,
cmp:UCAC4-668-059874
chk1:UCAC4-667-058538
chk2:UCAC4-668-059870
chk3:UCAC4-668-059871
chk4:UCAC4-668-059876

. . .

New transit 4/23/2020

HAT-P-12 b

156

Fernand Emering, Abweiler Observatory

Newton 0.45m Canon EOS 1000D

. . .

New transit 4/23/2020

HAT-P-12 b

156

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

C-14, Paramount MEII, ST-8XME

C-14, Paramount MEII, ST-8XME
100 sec exposures, 5 comparison stars, northern bright night sky, some clouds

. . .

New transit 4/8/2020

HAT-P-12 b

156

Klaus Kretzschmar, Backyard observator

Newton, 250mm, f/4, CCD Atik 460 Mex

Newton, 250mm, f/4, CCD Atik 460 Mex
Full moon

. . .

New transit 4/8/2020

HAT-P-12 b

156

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 60"
binning 2x2

. . .

New transit 4/7/2020

HAT-P-12 b

156

FREDERIC CHARFI, Observatoire de Vaison La Romaine

C14 + SBIG STL11000M

C14 + SBIG STL11000M
120 sec pics on IR-UV filter

. . .

New transit 4/7/2020

HAT-P-12 b

156

Martin Tylšar, Hvězdárna Prostějov

NWT 200/800 + CCD MII G2-8300

. . .

New transit 4/7/2020

HAT-P-12 b

156

Jean Plazas, Ribot Observatory

C14 F/7 camera Sbig ST 10

C14 F/7 camera Sbig ST 10
pose 120s

. . .

New transit 4/7/2020

HAT-P-12 b

156

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

New transit 4/7/2020

HAT-P-12 b

156

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

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

. . .

New transit 4/7/2020

HAT-P-12 b

156

Marc Bretton, UAI B10 Baronnies Provençales Observatory

RC 82 cm - CMOS 294 ASI-ZWO

RC 82 cm - CMOS 294 ASI-ZWO
120 sec exposure binning 2x2 no defocus and multi comparison stars full moon

. . .

New transit 4/7/2020

HAT-P-12 b

156

Fabio Salvaggio, WBRO - K49

C9.25" + ST8-XME

C9.25" + ST8-XME
Moon @45° - Waxing Gibbous
Illumination: 96%

. . .

New transit 4/7/2020

HAT-P-12 b

156

Anaël Wünsche, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11K

Cassegrain 430 mm + STL 11K
120s exposures. Clear. Multicomparison stars. Moon.

. . .

New transit 4/7/2020

HAT-P-12 b

156

Jens Hennig, Backyard Observatory

Newton 10" + ASI 178MC

Newton 10" + ASI 178MC
Moon 98%@46°

. . .

New transit 3/25/2020

HAT-P-12 b

156

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

New transit 3/25/2020

HAT-P-12 b

156

Jean Plazas, Ribot Observatory

C14 F/7 +camera Starlight Xpress

C14 F/7 +camera Starlight Xpress
pose 60s

. . .

New transit 3/25/2020

HAT-P-12 b

156

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

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

. . .

New transit 3/25/2020

HAT-P-12 b

156

Auer, R. F., South-Moravian-Observatory

NWT 300/1410 MI G2-1600

. . .

New transit 3/25/2020

HAT-P-12 b

156

Nosáľ P., Vígľaš

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

. . .

New transit 2/25/2020

HAT-P-12 b

156

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

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

. . .

New transit 2/9/2020

HAT-P-12 b

156

Nosáľ P., Vígľaš

NWT 250/1200 + SBIG ST7

NWT 250/1200 + SBIG ST7
the day before the full moon

. . .

New transit 1/11/2020

HAT-P-12 b

156

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

C-14, Paramount MEII, ST-8XME

C-14, Paramount MEII, ST-8XME
120 sec exposures, six comparison stars used, full moon

. . .

New transit 12/26/2019

HAT-P-12 b

156

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

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

. . .

New transit 8/31/2019

HAT-P-12 b

156

Kaleb Vierra, Gunnison Valley Observatory

C14 on Paramount MX with FLI-KAF8300

C14 on Paramount MX with FLI-KAF8300
scope got below wall, so I had to finish it early

. . .

New transit 5/14/2019

HAT-P-12 b

156

Mark Salisbury, Private Observatory

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

400mm f6.8 ODK, ST10XME, AO8 & filter wheel
240 second exposures through Rc filter. CCD unbinned.

. . .

New transit 3/28/2019

HAT-P-12 b

156

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

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

. . .

New transit 2/27/2019

HAT-P-12 b

156

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

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

. . .

New transit 2/14/2019

HAT-P-12 b

156

Anael Wunsche, UAI B10 Baronnies Provençales Observatory

Cassegrain 430 mm STL 11K

Cassegrain 430 mm STL 11K
120 sec exposure filter G binning 1x1 defocused and multicomparison stars. Seeing 1.5-2.5.

. . .

New transit 8/8/2018

HAT-P-12 b

156

Michelle Dadighat, Moka Observatory

ST8-XME, 12.5" iDK, binned 1x1

ST8-XME, 12.5" iDK, binned 1x1
Comp stars 3,4,6 not used; meridian flip

. . .

New transit 8/6/2018

HAT-P-12 b

156

Wonseok Kang, Deokheung Optical Astronomy Observatory

NYSC 1m Tel. + FLI PL-16803 / PI SOPHIA-2048B

. . .

New transit 4/15/2018

HAT-P-12 b

156

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

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

C-14, Paramount MEII, SBIG ST-8XME
120 sec exposures, 8 comparison stars

. . .

New transit 4/15/2018

HAT-P-12 b

156

Nosáľ P., Vígľaš

NWT 250/1200 + ATIK 16IC mono

. . .

New transit 3/30/2018

HAT-P-12 b

156

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

. . .

New transit 3/4/2018

HAT-P-12 b

156

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 80"

. . .

New transit 5/11/2017

HAT-P-12 b

156

Š. Gajdoš, J. Šubjak, AGO Modra (MPC code 118)

0.6-m f/5.5 reflector + CCD

0.6-m f/5.5 reflector + CCD
exposure 50 s

. . .

New transit 5/6/2017

HAT-P-12 b

156

Martin Fowler, MicroObservatory

MicroObservatory telescope Cecilia

MicroObservatory telescope Cecilia
Limb darkening = 0.5. Linear Error Correction. Original data from DIY Planet Search: https://www.cfa.harvard.edu/smgphp/otherworlds/OE/index.html

. . .

New transit 4/17/2017