Récent

Nouveau transit 11/01/2026

XO-2 N b

215

Yves Jongen, Rasteau Observatory, 31/12/2025

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

. . .

Nouvelle observation 11/01/2026

XO-2 N

166

Yves Jongen, Rasteau Observatory, 30/12/2025

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

. . .

Nouveau transit 01/01/2026

XO-2 N b

215

Manfred Raetz, Privatsternwarte Herges-Hallenberg, 31/12/2025

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)
detrended with AstroImageJ 5.5.1.00

. . .

Nouvelle observation 01/01/2026

XO-2 N

166

Manfred Raetz, Privatsternwarte Herges-Hallenberg, 30/12/2025

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

. . .

Nouveau transit 02/12/2025

XO-2 N b

215

Kevin Alton, Desert Blooms Observatory, 05/03/2025

Meade 16" + ZWO ASI2600MM Pro

. . .

Nouvelle observation 02/12/2025

XO-2 N

166

Kevin Alton, Desert Blooms Observatory, 05/03/2025

Meade 16" + ZWO ASI2600MM Pro

. . .

Nouveau transit 21/09/2025

XO-2 N b

215

Vojtěch Školník, Hvězdárna v Úpici, 20/09/2025

SW N200/800 + MI C2-7000A

. . .

Nouvelle observation 21/09/2025

XO-2 N

166

Vojtěch Školník, Hvězdárna v Úpici, 19/09/2025

SW N200/800 + MI C2-7000A

. . .

Nouveau transit 21/04/2025

XO-2 N b

215

Mark Salisbury, Private Observatory, 20/03/2025

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

400mm f6.8 ODK, ST10XME, J/C Filters
240 second exposure through Rc filter. GPS time control, analysis in AIJ. Hazy cloud cover which worsened and forced end of observation just after egress.

. . .

Nouvelle observation 21/04/2025

XO-2 N

166

Mark Salisbury, Private Observatory, 20/03/2025

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

400mm f6.8 ODK, ST10XME, J/C Filters
240 second exposure through Rc filter. GPS time control, analysis in AIJ. Hazy cloud cover which worsened and forced end of observation just after egress.

. . .

Nouvelle observation 21/04/2025

XO-2 N

166

Thomas Mollier, Observatoire Tomastro, 14/02/2025

Newton 300 mm, EQ8, ASI1600MMC

. . .

Nouvelle observation 21/04/2025

XO-2 N

166

Thomas Mollier, Observatoire Tomastro, 14/02/2025

Newton 300 mm, EQ8, ASI1600MMC

. . .

Nouveau transit 28/02/2025

XO-2 N b

215

Maxime Roumazeilles, Auberge La Cordee, 27/02/2025

Telescope newton 200/1000 mount HEQ 6 camera ZWO 178MM cool -15°C

Telescope newton 200/1000 mount HEQ 6 camera ZWO 178MM cool -15°C
Only three points have been deleted from the dataset because the stars have been impacted by the tracking default.

. . .

Nouvelle observation 28/02/2025

XO-2 N

166

Maxime Roumazeilles, Auberge La Cordee, 27/02/2025

Telescope newton 200/1000 mount HEQ 6 camera ZWO 178MM cool -15°C

Telescope newton 200/1000 mount HEQ 6 camera ZWO 178MM cool -15°C
Only three points have been deleted from the dataset because the stars have been impacted by the tracking default.

. . .

Nouveau transit 07/02/2025

XO-2 N b

215

Manfred Raetz, Privatsternwarte Herges-Hallenberg, 01/02/2025

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

. . .

Nouvelle observation 07/02/2025

XO-2 N

166

Manfred Raetz, Privatsternwarte Herges-Hallenberg, 01/02/2025

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)
missing observations due to a technical problem with the power supply

. . .

Nouveau transit 25/01/2025

XO-2 N b

215

Samuel Diaz Lopez, Observatorio Tomas Lopez. AstroCamp. , 24/01/2025

SCA260 + Atik16200

. . .

Nouveau transit 25/01/2025

XO-2 N b

215

Samuel Diaz Lopez, Observatorio Tomas Lopez. AstroCamp. , 24/01/2025

SCA260 + Atik16200

. . .

Nouveau transit 25/01/2025

XO-2 N b

215

Samuel Diaz Lopez, Observatorio Tomas Lopez. AstroCamp. , 24/01/2025

SCA260 + Atik16200

. . .

Nouveau transit 25/01/2025

XO-2 N b

215

Samuel Diaz Lopez, Observatorio Tomas Lopez. AstroCamp. , 24/01/2025

SCA260 + Atik16200

. . .

Nouveau transit 25/01/2025

XO-2 N b

215

Samuel Diaz Lopez, Observatorio Tomas Lopez. AstroCamp. , 24/01/2025

SCA260 + Atik16200

. . .

Nouveau transit 25/01/2025

XO-2 N b

215

Samuel Diaz Lopez, Observatorio Tomas Lopez. AstroCamp. , 24/01/2025

SCA260 + Atik16200

. . .

Nouvelle observation 25/01/2025

XO-2 N

166

Samuel Diaz Lopez, Observatorio Tomas Lopez. AstroCamp. , 24/01/2025

SCA260 + Atik16200

. . .

Nouveau transit 24/01/2025

XO-2 N b

215

Thomas Mollier, Observatoire Tomastro, 01/12/2024

Newton 300 mm, EQ8, ASI1600MMC

. . .

Nouvelle observation 24/01/2025

XO-2 N

166

Thomas Mollier, Observatoire Tomastro, 30/11/2024

Newton 300 mm, EQ8, ASI1600MMC

. . .

Nouveau transit 14/01/2025

XO-2 N b

215

Samuel Diaz Lopez, Observatorio Tomas Lopez. AstroCamp. , 14/12/2024

SCA260 + Atik16200

. . .

Nouvelle observation 14/01/2025

XO-2 N

166

Samuel Diaz Lopez, Observatorio Tomas Lopez. AstroCamp. , 14/12/2024

SCA260 + Atik16200

. . .

Nouveau transit 13/01/2025

XO-2 N b

215

Jordi Gallego, Fosca Nit Observatory, 11/01/2025

Takahashi TOA-150, SBIG STL-11000M

. . .

Nouvelle observation 13/01/2025

XO-2 N

166

Jordi Gallego, Fosca Nit Observatory, 11/01/2025

Takahashi TOA-150, SBIG STL-11000M

. . .

Nouveau transit 12/01/2025

XO-2 N b

215

Ulisse Quadri, Luca Strabla, 11/01/2025

Newton telescope 440mm - CCD: QHY 268M

Newton telescope 440mm - CCD: QHY 268M
significant lunar disturbance

. . .

Nouvelle observation 12/01/2025

XO-2 N

166

Ulisse Quadri, (IAU station 565) Bassano Bresciano Astronomical Observatory, 11/01/2025

Newton telescope 440mm - CCD: QHY 268M

Newton telescope 440mm - CCD: QHY 268M
Significant lunar disturbance

. . .

Nouveau transit 07/01/2025

XO-2 N b

215

Maxime Roumazeilles, Auberge La Cordee, 04/01/2025

Telescope newton 200/1000 mount HEQ 6 camera ZWO 178MM cool -15°C

Telescope newton 200/1000 mount HEQ 6 camera ZWO 178MM cool -15°C
Data obtained during astronomy vacation camp, with families.

. . .

Nouvelle observation 06/01/2025

XO-2 N

166

Maxime Roumazeilles, Auberge La Cordee, 04/01/2025

Telescope newton 200/1000 mount HEQ 6 camera ZWO 178MM cool -15°C

Telescope newton 200/1000 mount HEQ 6 camera ZWO 178MM cool -15°C
Data obtained during astronomy vacation camp, with families.

. . .

Nouveau transit 06/01/2025

XO-2 N b

215

Yves Jongen, Rasteau Observatory, 04/01/2025

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

. . .

Nouvelle observation 06/01/2025

XO-2 N

166

Yves Jongen, Rasteau Observatory, 03/01/2025

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

. . .

Nouveau transit 17/12/2024

XO-2 N b

215

Samuel Diaz Lopez, Tomas Lopez (AstroCamp) , 14/12/2024

SCA260 - Atik16200MM

. . .

Nouvelle observation 17/12/2024

XO-2 N

166

Samuel Diaz Lopez, Tomas Lopez (AstroCamp) , 14/12/2024

SCA260 - Atik16200MM

. . .

Nouveau transit 14/12/2024

XO-2 N b

215

Ramon Naves Nogues, MONTCABRER, 14/12/2024

305mm R/C CCD Moravian G4-9000

. . .

Nouvelle observation 14/12/2024

XO-2 N

166

Ramon Naves Nogues, MONTCABRER, 13/12/2024

305mm R/C CCD Moravian G4-9000

. . .

Nouveau transit 10/02/2024

XO-2 N b

215

D. Bertesteanu, M. Popescu, BD4SB Bucharest 073

Lacerta reflector 0.25m F/4, QHY294M, sloan r

Lacerta reflector 0.25m F/4, QHY294M, sloan r
15 sec exposure, sloan r filter, bin 1x1, processed in HOlomon Photometric Software

. . .

Nouveau transit 17/01/2024

XO-2 N b

215

Nikola Antonov, Meshtitsa, Pernik, Bulgaria

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

250 mm F/4.7 Newtonian, CMOS ASI533MM Pro, Johnson B&V
Corrected report with the correct comp stars

. . .

Nouveau transit 17/01/2024

XO-2 N b

215

Nikola Antonov, Meshtitsa, Pernik, Bulgaria

250 mm F/4.8 Newtonian, CMOS ASI533MM Pro, Johnson B&V

. . .

Nouveau transit 29/09/2023

XO-2 N b

215

Adam Nowak, Private observatory in Bilcza

SW200/1000, ASI178MM-C

SW200/1000, ASI178MM-C
Bin 2x2, average of 6 frames

. . .

Nouveau transit 31/07/2023

XO-2 N b

215

Arif Solmaz, Çukurova University

GM4000 QCI FLI Proline PL16803 Monochrome CCD

. . .

Nouveau transit 17/03/2023

XO-2 N b

215

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

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

C-14, Paramount MEII, SBIG ST-8XME
40 sec exposures, thin clouds, northern glow, temperature -10 C

. . .

Nouveau transit 13/02/2023

XO-2 N b

215

Yves Jongen, Rasteau Observatory

Plane-Wave CDK 17" & SBIG STXL 11002

Plane-Wave CDK 17" & SBIG STXL 11002
120 sec pics on Red filter.

. . .

Nouveau transit 11/02/2023

XO-2 N b

215

RENE ROY, Blauvac MPC 627

T 400mm f4.53+ ZWO ASI 1600 MMC

. . .

Nouveau transit 18/12/2022

XO-2 N b

215

Anaël Wünsche, UAI B10 Observatoire des Baronnies Provençales

Planewave 17" + ZWO ASI 6200 MM pro mono

Planewave 17" + ZWO ASI 6200 MM pro mono
120s exposures. R filter.

. . .

Nouveau transit 12/05/2022

XO-2 N b

215

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

Nouveau transit 01/03/2022

XO-2 N b

215

Thomas Grunge, AstroActive Observatory

7"Maksutov@F/6.3 SBIG ST-10xme

7"Maksutov@F/6.3 SBIG ST-10xme
120sec 1x1 @-20°C Luminanzfilter

. . .

Nouveau transit 25/01/2022

XO-2 N b

215

Jerome Yesavage, Stanford Faculty Observatory

Stellarvue SVX 130T ZWO ASI6200M

Stellarvue SVX 130T ZWO ASI6200M
New CMOS camera.

. . .

Nouveau transit 13/01/2022

XO-2 N b

215

Anaël Wünsche, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + Zwo ASI6200 Pro mono

Cassegrain 430 mm + Zwo ASI6200 Pro mono
Clear filter. 120s exposures. Seeing >6".

. . .

Nouveau transit 12/01/2022

XO-2 N b

215

etienne bertrand, Vaux sur Mer - FRANCE

RC8 - F/8 - Atik314L+

RC8 - F/8 - Atik314L+
Just a Filter L-Pro (for sky pollution)
JJ Hillairet telescope

. . .

Nouveau transit 12/10/2021

XO-2 N b

215

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

Nouveau transit 20/04/2021

XO-2 N b

215

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 20"

. . .

Nouveau transit 25/03/2021

XO-2 N b

215

Nello Ruocco, Osservatorio Astronomico "Nastro Verde" MPC C82

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

. . .

Nouveau transit 25/03/2021

XO-2 N b

215

Matteo Cataneo, Emanuele Russo, Massimo Cilluffo, Filippo Leveraro, Osservatorio Astronomico Civico "Gabriele Barletta"

Marcon RC 400; SXVR-H18 camera

Marcon RC 400; SXVR-H18 camera
Sloan r filter; t_exp=180s; binning 2x2; heavy defocusing; Moon 81% @ 33°; smoke particles and ashes from nearby fire after about 1/4 of total observing time

. . .

Nouveau transit 25/03/2021

XO-2 N b

215

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. Moon. Seeing 3-4"

. . .

Nouveau transit 23/01/2021

XO-2 N b

215

Fran Campos, Observatori Puig dAgulles

RC 14" f/8 on EQ8; SBIG ST-8XME, Johnson-Cousins BVRcIc filters

RC 14" f/8 on EQ8; SBIG ST-8XME, Johnson-Cousins BVRcIc filters
120" bin1 exposures

. . .

Nouveau transit 17/05/2020

XO-2 N b

215

Martinelli Fabio, Bachini Mauro, TAVOLAIA OBSERVATORY S. Maria a Monte (PI) Italy

RC 500 mm F 4500 mm + CCD Moravian Kaf 1000+ Filter R fotometric

RC 500 mm F 4500 mm + CCD Moravian Kaf 1000+ Filter R fotometric
n

. . .

Nouveau transit 17/05/2020

XO-2 N b

215

Martinelli Fabio, Bachini Mauro, TAVOLAIA OBSERVATORY S. Maria a Monte (PI) Italy

RC 500 mm F 4500 mm + CCD Moravian Kaf 1000+ Filter R fotometric

. . .

Nouveau transit 17/05/2020

XO-2 N b

215

Martinelli Fabio, Bachini Mauro, TAVOLAIA OBSERVATORY S. Maria a Monte (PI) Italy

RC 500 mm F 4500 mm + CCD Moravian Kaf 1000+ Filter R fotometric

. . .

Nouveau transit 11/04/2020

XO-2 N b

215

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

PlaneWave CDK 17 SBIG STLX11002
120 sec pics on Green filter.
5 minutes early vs. ETD

. . .

Nouveau transit 11/04/2020

XO-2 N b

215

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

Nouveau transit 03/04/2020

XO-2 N b

215

Nosáľ P., Vígľaš

NWT 250/1200 + SBIG ST7

. . .

Nouveau transit 29/03/2020

XO-2 N b

215

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

Nouveau transit 29/03/2020

XO-2 N b

215

Anaël Wünsche, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11K

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

. . .

Nouveau transit 28/03/2020

XO-2 N b

215

F. Abulencia / J. McGrath, Emory Observatory

61cm DFM / Apogee Alta U47

. . .

Nouveau transit 28/03/2020

XO-2 N b

215

F. Abulencia / J. McGrath, Emory Observatory

61 cm DFM / Apogee Alta U47

. . .

Nouveau transit 21/03/2020

XO-2 N b

215

Jean plazas, Ribot Observatory

C14 F/6 +camera Starlight Xpress

C14 F/6 +camera Starlight Xpress
pose 30s
two suddens variations of seeing 4 to 6

. . .

Nouveau transit 19/03/2020

XO-2 N b

215

Nosáľ P., Vígľaš

NWT 250/1200 + SBIG ST7

. . .

Nouveau transit 24/02/2020

XO-2 N b

215

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

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

. . .

Nouveau transit 22/01/2020

XO-2 N b

215

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

Nouveau transit 14/01/2020

XO-2 N b

215

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

PlaneWave CDK 17 SBIG STLX11002
120 sec pics on Green filter.
14 minutes early vs. ETD

. . .

Nouveau transit 13/01/2020

XO-2 N b

215

Mauro Calo, Avalon Merlino XL - Manciano

gso rc 10"

. . .

Nouveau transit 07/05/2019

XO-2 N b

215

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

PlaneWave CDK 17 SBIG STLX11002
120 sec pics on red filter

. . .

Nouveau transit 17/04/2019

XO-2 N b

215

Arndt Latusseck, Marienburg Observastory

18" f/10 RC, CCD Apogee Aspen CG16M@3-binning

18" f/10 RC, CCD Apogee Aspen CG16M@3-binning
30s exposures

. . .

Nouveau transit 17/04/2019

XO-2 N b

215

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

Nouveau transit 19/03/2019

XO-2 N b

215

Joe Garlitz, GJP

12 inch Newt SBig 402 ccd

12 inch Newt SBig 402 ccd
Comp star = ave 5 stars

. . .

Nouveau transit 01/03/2019

XO-2 N b

215

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

Nouveau transit 20/02/2019

XO-2 N b

215

Anael Wunsche, UAI B10 Baronnies Provencales Observatory

Cassegrain 430 mm + STL 11K

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

. . .

Nouveau transit 20/02/2019

XO-2 N b

215

Jean plazas, Ribot Observatory

C14 F/6 camera Sbig ST 10

C14 F/6 camera Sbig ST 10
beginning after 20mn
pose 40s
seeing 2 +-0.2
Full moon

. . .

Nouveau transit 15/02/2019

XO-2 N b

215

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

PlaneWave CDK 17 SBIG STLX11002
120 sec pics on Green filter

. . .

Nouveau transit 25/01/2019

XO-2 N b

215

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

PlaneWave CDK 17 SBIG STLX11002
120 sec pics on green filter. High winds enlarging star size

. . .

Nouveau transit 25/01/2019

XO-2 N b

215

JOSEP GAITAN, MAS MOIXA MPC C86

SC 10" F6.8 ST8+AO8

SC 10" F6.8 ST8+AO8
180 S

. . .

Nouveau transit 12/01/2019

XO-2 N b

215

Anael Wunsche, UAI B10 Baronnies Provençales Observatory

Cassegrain 430 mm STL 11K

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

. . .

Nouveau transit 04/01/2019

XO-2 N b

215

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

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

. . .

Nouveau transit 29/04/2018

XO-2 N b

215

Derek OKeeffe, Ballyhoura Observatory

Celestron C11, Atik383L+ Baader filters

Celestron C11, Atik383L+ Baader filters
60 sec exposures, BAADER V, reduced with Lemon differential photometry pipeline

. . .

Nouveau transit 07/04/2018

XO-2 N b

215

Yves Jongen, Rasteau observatory

PlaneWave CDK 17 SBIG STLX11002

. . .

Nouveau transit 07/04/2018

XO-2 N b

215

F. Lomoz, Sedlčany

SNT 254/1016+G2-8300

. . .

Nouveau transit 07/04/2018

XO-2 N b

215

Marc Bretton, UAI B10 Baronnies Provençales Observatory

RC 82 cm - CCD FLI PL230

RC 82 cm - CCD FLI PL230
60 sec exposure filter LNIR binning 1x1 strong defocus + 0,25 and multi comparison stars

. . .

Nouveau transit 26/03/2018

XO-2 N b

215

Stan Shadick, University of Saskatchewan Physics Roof Observatory, CANADA

Meade 14" LX600GPS; SBIG ST10XME CCD

Meade 14" LX600GPS; SBIG ST10XME CCD
CBB filter
Processed using articial star at 10X5X10 at binning 2.
Used only C1 reference star.
Pier 5

. . .

Nouveau transit 21/02/2018

XO-2 N b

215

Manfred Raetz, Privatsternwarte Herges-Hallenberg

SCT 280 / 1790 + CCD MI G2-1600

. . .

Nouveau transit 03/02/2018

XO-2 N b

215

Pere Guerra, Observatori Astronòmic Albanyà

16" Meade ACF F8, 10 Micron GM3000 HPS, Moravian G4-9000

16" Meade ACF F8, 10 Micron GM3000 HPS, Moravian G4-9000
1x1 Binning
Focused
130 sec exposure.
Waning gibbous moon present.

. . .

Nouveau transit 06/04/2017

XO-2 N b

215

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 30" defocuser

. . .

Nouveau transit 06/04/2017

XO-2 N b

215

Wonseok Kang, Deokheung Optical Astronomy Observatory

NYSC 1m Telescope + FLI PL-16803

. . .