Recent

New transit 12/14/2024

XO-3 b

Snaevarr Gudmundsson, Nes Observatory I, 12/12/2024

406 mm LX200 SCT/SBIG STL11k CCD, BVR, CBB

406 mm LX200 SCT/SBIG STL11k CCD, BVR, CBB
45 sec, XOP-CBB filter. Bright Moon at 41° distance. Air moisture, dew accumulated on corrector lens during session.

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New observation 12/14/2024

XO-3

Snaevarr Gudmundsson, Nes Observatory I, 12/12/2024

406 mm LX200 SCT/SBIG STL11k CCD, BVR, CBB

406 mm LX200 SCT/SBIG STL11k CCD, BVR, CBB
45 sec, XOP-CBB filter. Bright Moon at 41° distance. Air moisture, dew accumulated on corrector lens during session.

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New transit 10/2/2023

XO-3 b

Miguel Angel Alava, Sarriguren

Sc 203/2000 f10, Asi1600MM

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New transit 8/19/2023

XO-3 b

Bernhard Wenzel, VDS Sternwarte Kirchheim, Thüringen

NWT 200 / 900 mm, Canon 200D

NWT 200 / 900 mm, Canon 200D
Filter: 2x TG of Bayer Matrix
Muniwin: 2.1.36, Ensemble
https://app.aavso.org/vsp/chart/X28849X.png
chip temperatur: 25°C - 28°C
darks, flat

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New transit 1/31/2022

XO-3 b

Mark Salisbury, Private Observatory

400mm f6.8, ST10XME, AO8 guider.

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

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New transit 11/22/2021

XO-3 b

Jens Jacobsen, Egeskov Observatory

c14 @2700mm Atik 383

c14 @2700mm Atik 383
Used Baader Longpass R610 filter. Moon quite bright

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New transit 3/11/2021

XO-3 b

Philip Langill, Rothney Astrophysical Observatory https://science.ucalgary.ca/rothney-observatory

0.5m f/1 Baker-Nunn

0.5m f/1 Baker-Nunn
Very good observing conditions. No Moon. XO-3b is labelled "1" in the appended map. Twenty other comparison stars are labelled.

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New transit 1/10/2021

XO-3 b

Snaevarr Gudmundsson, Nes Observatory

406 mm LX200 SCT/SBIG STL11k CCD

406 mm LX200 SCT/SBIG STL11k CCD
XOP-CBB filter

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New transit 11/23/2020

XO-3 b

Yves Jongen, Rasteau Observatory

Plane Wave CDK 17" & SBIG STXL11002

Plane Wave CDK 17" & SBIG STXL11002
30 sec pics on Red filter.

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New transit 11/7/2020

XO-3 b

Yves Jongen, Rasteau Observatory

Plane Wave CDK 17" & SBIG STXL11002

Plane Wave CDK 17" & SBIG STXL11002
60 sec pics on Red filter.
Interrupted by clouds

. . .

New transit 11/7/2020

XO-3 b

Yves Jongen, Rasteau Observatory

Plane Wave CDK 17" & SBIG STXL11002

Plane Wave CDK 17" & SBIG STXL11002
60 sec pics on Red filter.
Observation interrupted by clouds at mid transit

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New transit 11/4/2020

XO-3 b

jean plazas, Ribot Observatory

C14 F/7+ camera SBIG ST-10

C14 F/7+ camera SBIG ST-10
Cloud, Half Transit
Pose 40 s

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New transit 9/17/2020

XO-3 b

jean plazas, Ribot Observatory

C14 F/7+ camera SBIG ST-10

C14 F/7+ camera SBIG ST-10
pose 35s
cloud stop autoguiding

. . .

New transit 3/17/2020

XO-3 b

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

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New transit 2/29/2020

XO-3 b

JOSEP GAITAN, MAS MOIXA MPC C86

SC 10" F6.8 ST8+AO8

SC 10" F6.8 ST8+AO8
120 s. humidity 100% and Full Moon

. . .

New transit 1/9/2020

XO-3 b

Anaël Wünsche, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11K

Cassegrain 430 mm + STL 11K
60s exposures. V filter. Gibbous moon. Slight defocus. Multicomparison stars.

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New transit 2/21/2019

XO-3 b

Fontaine Bruno, Observatoire de Pierrevert

Officina Stellare RILA 400 QHYCCD QHY42

Officina Stellare RILA 400 QHYCCD QHY42
Clear sky CBB Filter

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New transit 1/26/2019

XO-3 b

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.

. . .

New transit 1/9/2019

XO-3 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 25"

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New transit 12/22/2017

XO-3 b

JOSEP GAITAN, MAS MOIXA MPC C86

SC 10" F 6.8 ST8+AO8

SC 10" F 6.8 ST8+AO8
120 S.

. . .

New transit 12/4/2017

XO-3 b

Thomas Schaefer, Remote Telescope / Mayhill, New Mexico / MPC H06

Newton, 250mm, SBIG ST-10XME

Newton, 250mm, SBIG ST-10XME
60s,no Filter,unbinned data,detrended by 6 variables,18 comparative stars, RMS=0,00157(norm),BIC=368,chi-sqr=304

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New transit 11/18/2017

XO-3 b

Ramon Naves, Montcabrer MPC-213

Meade S/C 305 mm ACF + CCD G4-9000 Moravian

Meade S/C 305 mm ACF + CCD G4-9000 Moravian
Filter Sloan i

. . .

New transit 1/23/2017

XO-3 b

Matthieu BACHSCHMIDT, Ferme

C11 + SBIG ST8XE

C11 + SBIG ST8XE
30s exposure

. . .

New transit 12/2/2016

XO-3 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11k

Cassegrain 430 mm + STL 11k
40 sec exposure binning 1c1 no defocus one star comparison

. . .

New transit 11/21/2016

XO-3 b

Marcos Michel, Astroqueyras

RC500 Astrosib

. . .

New transit 10/30/2015

XO-3 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11k

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

. . .

New transit 4/12/2015

XO-3 b

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11K

Cassegrain 430 mm + STL 11K
30 sec exposure filter R binning 1x1

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New transit 10/28/2014

XO-3 b

Nikolay Mishevskiy, Ananjev observatory

254mm reflector + CCD ATIK 314L

. . .

New observation 7/31/2014

XO-3

Martin Zíbar, Chlumčany

Newton 254/903, sekční G2-0402, AG by MMys na SW 100/500

Newton 254/903, sekční G2-0402, AG by MMys na SW 100/500
lehký opar, expozice 30 s, FWHM kolem 5, chlazeno na -30, DQ = 4, TminHJD = 2456725.42699 +/- 0.00232

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New transit 7/31/2014

XO-3 b

Martin Zíbar, Chlumčany

Newton 254/903, sekční G2-0402, AG by MMys na SW 100/500

Newton 254/903, sekční G2-0402, AG by MMys na SW 100/500
lehký opar, expozice 30 s, FWHM kolem 5, chlazeno na -30

. . .

New transit 3/14/2014

XO-3 b

Matthieu BACHSCHMIDT, Ferme

C11, EQ6, SBIG ST8XME

C11, EQ6, SBIG ST8XME
Very windy weather with lot of gusts !

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New transit 3/9/2014

XO-3 b

Dittler, Ullrich, Exoplaneten-Observatorium.de

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

. . .

New observation 3/9/2014

XO-3

Martin Zíbar, Chlumčany

Newton 254/903, sekční G2-0402, AG by MMys na SW 100/500

Newton 254/903, sekční G2-0402, AG by MMys na SW 100/500
Jedná se o předběžné zpracování. Mírný humus, na konci objekt klesal poměrně nízko, teplota 3 až -3 °C, expozice 30 s, FWHM kolem 4, TminHJD = 2456725.42558 +/- 0.00218

. . .

New transit 3/9/2014

XO-3 b

Faustino Garcia, La Vara, Valdés (MPC J38)

RC 25cm +ST9 XE +AO

. . .

New transit 12/16/2013

XO-3 b

Ramon Naves, Montcabrer MPC-213

S/C 305mm f6 + CCD ST8XME+AO8

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New transit 11/17/2013

XO-3 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory, CANADA

Meade 10\\\" LX200GPS; SBIG ST10XME CCD

Meade 10\\\" LX200GPS; SBIG ST10XME CCD
cbb (clear blue-blocking filter)
Processed with artificial star at 10x4x10 at binning 2.
Used only reference stars C1-C6.
Pier 3.

. . .

New transit 1/24/2013

XO-3 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory, CANADA

Meade 10\\\" LX200; SBIG ST10XME CCD

Meade 10\\\" LX200; SBIG ST10XME CCD
cbb blue-blocking filter.
Processed with artificial star at 12X4X10 at binning 2.
Used only reference stars C1-C3, C5-C8.
Pier 3.
Very cold -35C

. . .

New transit 10/11/2012

XO-3 b

Sherman Johns, Edmund and Irma Huth Observatory

CGEM C9.25 ST-8300

. . .

New transit 4/1/2012

XO-3 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Meade 14\\\" LX200; SBIG ST10XMECCD

Meade 14\\\" LX200; SBIG ST10XMECCD
Processed with artificial star at 12x4x10 at binning 1
Used only reference stars C1, C2, C5, C7-C8, C10-C12
Pier 4

. . .

New transit 2/6/2012

XO-3 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Meade 10\\\" LX200GPS; SBIG ST10XMECCD

Meade 10\\\" LX200GPS; SBIG ST10XMECCD
Processed with artificial star at 7x4x10
Used only reference stars C1-C4
Pier 3

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New transit 1/17/2012

XO-3 b

Fernand Emering, Abweiler Observatory

Newton 0.45m Canon EOS 1000D

. . .

New transit 12/22/2011

XO-3 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Meade 10\\\" LX200GPS; SBIG ST10XMECCD

Meade 10\\\" LX200GPS; SBIG ST10XMECCD
cbb filter
Processed with artificial star at 8x4x10
Used only reference stars C1-C3, C5-C7
Pier 3

. . .

New transit 12/13/2011

XO-3 b

Ramon Naves, Montcabrer MPC-213

S/C 305mm f6 + CCD ST8XME+AO8

S/C 305mm f6 + CCD ST8XME+AO8
120\\\" res 1.03\\\"xpixel

. . .

New transit 12/13/2011

XO-3 b

Ramon Naves, Montcabrer MPC-213

S/C 305mm f6 + CCD ST8XME+AO8

S/C 305mm f6 + CCD ST8XME+AO8

120 S 1.03\\\\\\\" X PIXEL

. . .

New transit 11/27/2011

XO-3 b

Giorgio Corfini, Giorgio Corfini Observatory

GSO 200/800 CCD-UAI

GSO 200/800 CCD-UAI
Filter baader Y495
defocus

. . .

New transit 10/17/2011

XO-3 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Meade 10\\\" LX200GPS; SBIG ST10XMECCD

Meade 10\\\" LX200GPS; SBIG ST10XMECCD
Processed with artificial star technique at 9x4x10
Used only reference stars C1-C4, C6-C8
Pier 3

. . .

New transit 5/8/2011

XO-3 b

Stan Shadick, Christine Shiels, University of Saskatchewan Physics Roof Observatory

Meade 12\\\" LX200; SBIG ST10XMECCD

Meade 12\\\" LX200; SBIG ST10XMECCD
Processed with artificial star spreadsheet technique at 8x4x10
Used reference stars C1-C10

. . .

New transit 3/29/2011

XO-3 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Meade 12\\\" LX200; SBIG ST10XMECCD

Meade 12\\\" LX200; SBIG ST10XMECCD
Processed using artificial star technique at 7x4x10
Used C2-C9 and C11-19 reference stars
Used Pier 1 telescope

. . .

New transit 2/16/2011

XO-3 b

Veli-Pekka Hentunen, Taurus Hill Observatory

Celestron C-14 XLT (OTA), Paramount ME, SBIG ST-8XME

Celestron C-14 XLT (OTA), Paramount ME, SBIG ST-8XME
370 images of 40 sec R filter exposure, six comparison stars, thin clouds

. . .

New transit 1/17/2011

XO-3 b

Gustavo Muler Schteinman, Observatorio Nazaret J47

S/C 305mm f6 + CCD ST8XME+AO8

. . .

New transit 12/12/2010

XO-3 b

Nello Ruocco, Nello Ruocco Observatory

Meade LX200 f/10 with focal reducer + ST7

Meade LX200 f/10 with focal reducer + ST7
Transit lenght 172,8 minutes adopted to findout midtransit time.

. . .

New transit 12/11/2010

XO-3 b

Toni Scarmato, Toni Scarmato Observatory

25 cm Newton f/4.8 ccd Atik 16 IC

. . .

New transit 9/2/2010

XO-3 b

Ramon Naves, M

S/C 305mm f6 + CCD ST8-XME+AO8

S/C 305mm f6 + CCD ST8-XME+AO8
120 S

. . .

New transit 12/16/2009

XO-3 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Meade 10 LX200GPS, SBIG ST10XME with AO-7

Meade 10 LX200GPS, SBIG ST10XME with AO-7
C1 10.490
C2 10.636
C3 11.157
C4 NOT USED
C5 11.460

. . .

New transit 11/14/2009

XO-3 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Meade 12 LX200 Classic, SBIG STL1301E, Optec microfocuser

Meade 12 LX200 Classic, SBIG STL1301E, Optec microfocuser
C1: R = 10.490
C2: R = 10.636
C3: R = 11.157
C4: R = 11.379
APERTURE = 6 PIXELS
GAP = 10 PIXELS
ANNULUS = 5 PIXELS

. . .

New transit 11/10/2009

XO-3 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Meade 12 LX200 Classic, SBIG STL1301E, Optec microfocuser

Meade 12 LX200 Classic, SBIG STL1301E, Optec microfocuser
Reference Stars
C1: 8.516
C2: 10.49
C3: 11.379
C4: 11.46
C5: 11.157
C6: 10.636
C7: 8.499

APERTURE 6 PIXELS
GAP 10 PIXELS
ANNULUS 5 PIXELS

. . .

New transit 9/26/2009

XO-3 b

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Meade 10 LX200GPS, SBIG ST10XME with AO-7

Meade 10 LX200GPS, SBIG ST10XME with AO-7
Processed with MaxIm
Aperture = 7 pixels
Gap = 3 pixels
Annulus = 6 pixels
C1: R = 8.516
C2: R = 10.490

. . .

New transit 8/19/2009

XO-3 b

Paulo Lobao, Observatório Muxagata, MPC J15

102 mm APO Refractor + QSI532WS-M1

. . .

New transit 7/15/2009

XO-3 b

Luboš Brát, ALTAN.Observatory

RL200, f/6 + ST8, guider RF80/600+G1-0300

RL200, f/6 + ST8, guider RF80/600+G1-0300
60s exposure, autoguiding

. . .

New exoplanet 1/1/1970

XO-3 b

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RA: 65.4708333300, DE: 57.8172222210

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New star 1/1/1970

XO-3

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. . .

Recent

Snaevarr Gudmundsson, Nes Observatory I, 12/12/2024

Snaevarr Gudmundsson, Nes Observatory I, 12/12/2024

Miguel Angel Alava, Sarriguren

Bernhard Wenzel, VDS Sternwarte Kirchheim, Thüringen

Mark Salisbury, Private Observatory

Jens Jacobsen, Egeskov Observatory

Philip Langill, Rothney Astrophysical Observatory https://science.ucalgary.ca/rothney-observatory

Snaevarr Gudmundsson, Nes Observatory

Yves Jongen, Rasteau Observatory

Yves Jongen, Rasteau Observatory

Yves Jongen, Rasteau Observatory

jean plazas, Ribot Observatory

jean plazas, Ribot Observatory

Manfred Raetz, Privatsternwarte Herges-Hallenberg

Alberto Tomatis, Alto-Observatory

JOSEP GAITAN, MAS MOIXA MPC C86

Anaël Wünsche, UAI B10 Baronnies Provencales Observatory

Fontaine Bruno, Observatoire de Pierrevert

Anael Wunsche, UAI B10 Baronnies Provençales Observatory

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

JOSEP GAITAN, MAS MOIXA MPC C86

Thomas Schaefer, Remote Telescope / Mayhill, New Mexico / MPC H06

Ramon Naves, Montcabrer MPC-213

Matthieu BACHSCHMIDT, Ferme

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Marcos Michel, Astroqueyras

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Marc Bretton, UAI B10 Baronnies Provencales Observatory

Nikolay Mishevskiy, Ananjev observatory

Martin Zíbar, Chlumčany

Martin Zíbar, Chlumčany

Matthieu BACHSCHMIDT, Ferme

Dittler, Ullrich, Exoplaneten-Observatorium.de

Martin Zíbar, Chlumčany

Faustino Garcia, La Vara, Valdés (MPC J38)

Ramon Naves, Montcabrer MPC-213

Stan Shadick, University of Saskatchewan Physics Roof Observatory, CANADA

Stan Shadick, University of Saskatchewan Physics Roof Observatory, CANADA

Sherman Johns, Edmund and Irma Huth Observatory

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Fernand Emering, Abweiler Observatory

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Ramon Naves, Montcabrer MPC-213

Ramon Naves, Montcabrer MPC-213

Giorgio Corfini, Giorgio Corfini Observatory

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Stan Shadick, Christine Shiels, University of Saskatchewan Physics Roof Observatory

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Veli-Pekka Hentunen, Taurus Hill Observatory

Gustavo Muler Schteinman, Observatorio Nazaret J47

Nello Ruocco, Nello Ruocco Observatory

Toni Scarmato, Toni Scarmato Observatory

Ramon Naves, M

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Stan Shadick, University of Saskatchewan Physics Roof Observatory

Paulo Lobao, Observatório Muxagata, MPC J15

Luboš Brát, ALTAN.Observatory

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