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joserodrigues.space

@joserodrigues@defcon.social
mastodon 4.5.9

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography.
I spend most of my time looking for Earth-sized exoplanets and communicating astronomy.
Can interact in English, French and Portuguese.

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Joined August 22, 2025

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@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · 5d ago
@benknispel thank you very much, and thank you for your service ! I'm glad the translations are human
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@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · 6d ago
@vruz No :(
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joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · 6d ago

🇬🇧 The comet C/2025 R3 PanSTARRS is getting brighter by the day (or night).

It is getting lower on the horizon as it moves towards the Sun.

Light pollution from Morges and Lausanne, coupled with the haze, made it harder to see and capture the comet.

I brought my 35cm telescope to the lakeside and had a blast ! The comet is quite saturated and appears distinctly blueish. The tail stretches beyond the eyepiece FoV.

A friend joined me, and we could enjoy both the moonrise and sunrise. It was a great night.

The forecast is not great for the next few days, so I will follow the comet through your views. If you don't like waking up early, you can stay up late. This comet is worth it !

🇨🇭 La comète C/2025 R3 PanSTARRS devient de plus en plus brillante.

Elle descend sur l'horizon alors qu'elle se rapproche du soleil.

La pollution lumineuse de Lausanne et l'humidité rendaient la comète plus dure à voir et photographier.

J'ai amené mon télescope de 35cm au bord du lac et je me suis éclaté ! La comète est plutôt saturée et apparait disctinctement bleutée. Sa queue sort du champ de l'oculaire.

Un ami m'a rejoint et on a pu profiter du lever de la lune et celui du soleil. C'était une chouette nuit.

Les prévisions météo ne s'annoncent pas bonnes pour les prochains jours. Je suivrai donc l'évolution de la comète au travers de vos images. Si vous n'êtes pas lève-tôt, vous pouvez vous coucher tard. Cette comète en vaut la peine.

#Astronomy #Universe #Comet #PanSTARRS

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joserodrigues
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · 6d ago
@knownasrose comets are special ! I love them
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joserodrigues
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · 6d ago
@maniabel I didn't :)
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joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · Apr 11, 2026
@bilbo_le_hobbit merci ! C'est L'APOD de demain ! Le sac faisait un peu lourd, mais ça en valait le coup
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joserodrigues
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · Apr 11, 2026
@grobi thank you !
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joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · Apr 11, 2026
🇬🇧 A new comet is visible with the naked eye ! C/2025 R3 (PanSTARRS) is an Oort cloud comet which will reach perihelion (the closest distance) on the 19th, before going away forever. This morning, I loaded my backpack and set up to capture it. I wanted to see it rise next to the Bietschhorn (3 934). The comet is currently in the Pegasus constellation, just below 51 Pegasi, the first star known to host an exoplanet. If you have clear skies, you should definitely try to see it : It is bright, and will pass only once! It already shows a very long tail, more than 10° long. The image was taken with a 120-300 lens, set at 180mm. It is an ethical composite: I first captured the foreground with the tracking off (5 x 15s) and then turned the tracking on when the comet reached the desired position (120 x 15s). 🇨🇭 Une nouvelle comète est visible à l'œil nu ! C/2025 R3 (PanSTARRS) est une comète du nuage d'Oort qui atteindra son périhélie (la distance minimale au Soleil) le 19 avril, avant de s'éloigner pour toujours dans l'espace interstellaire. Ce matin, j'ai chargé mon sac à dos et je suis allé la capturer. Je voulais la voir se lever à côté du Bietschhorn (3 934 m). La comète se trouve actuellement dans la constellation de Pégase, juste en dessous de 51 Pegasi, autour de laquelle on a découvert la première exoplanète. Si vous avez un ciel dégagé, ne ratez pas ça : elle est brillante, elle ne passera qu'une seule fois, et sa queue s'étend déjà sur plus de 10° dans le ciel ! J’ai utilisé un objectif 120-300 mm à 180 mm. L’image est un composite éthique : le premier plan capturé sans suivi (5 x 15 s), puis suivi activé une fois la comète en position (120 x 15 s). #Astrophotography #Comet #PanSTARRS
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joserodrigues
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · Apr 05, 2026

Unfortunately MAPS didn't make it :(
This reminds me of ISON, a few years ago.

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joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · Apr 01, 2026

🇬🇧 The field that changed exoplanets.

Kepler was a 0.95m space telescope launched in 2009 to detect exoplanets passing in front of their stars. The main scientific goal of the mission was to detect Earth-like planets around Sun-like stars, and measure how common they are. To achieve this, Kepler observed a fixed field at the border between the Cygnus and the Lyra constellation for nearly four years.

This field of view is roughtly 11°x11°, that's about the size of your palm with your arm stretched in front of you. 🤚🏻
Kepler used 42 CCD sensors to measure the brightness of the stars in this region of the sky, respresented as white squares.

Kepler observed approximately 150 000 stars and detected 2 783 confirmed exoplanets, with 1 979 candidates yet to be confirmed.

Small planets are remarkably common: approximately 50% of Sun-like stars host at least one planet smaller than 4 Earth-radii.

The picture was taken from the top of Mont Fort, in the Swiss Alps, at 3300m of altitude.

🇨🇭 Le champ qui a révolutionné les exoplanètes.

Kepler était un télescope spatial de 0.95 m lancé en 2009 pour détecter des exoplanètes passant devant leur étoile. Le principal objectif scientifique de la mission était de découvrir des planètes comme la Terre autour d'étoiles comme le Soleil, et de mesurer leur occurence. Pour ce faire, Kepler a observé un champ à la frontière entre les constellations du Cygne et de la Lyre pendant près de quatre ans.

Ce champ de vue fai environ 11°x11°, c'est environ la taille de votre paume quand vous tendez le bras devant vous. 🤚🏻
Kepler utilisait 42 capteurs CCD pour mesurer la brillance des étoiles dans cette région du ciel, représentés par les carrés blancs.

Kepler a observé environ 150 000 étoiles et détecté 2 783 exoplanètes, avec 1 979 candidates encore à confirmer.

Les petites planètes sont remarquablement courantes : environ 50 % des étoiles semblables au Soleil accueillent au moins une planète de moins de 4 rayons terrestres.

La photo a été prise depuis le sommet du Mont Fort, dans les Alpes suisses, à 3300 m d'altitude.

#MilkyWay #nightscaper #exoplanets #yourESA #astronomy

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joserodrigues
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · Feb 11, 2026

Je me permets de partager un événement qui est m'est très spécial.

🇨🇭 À partir du 11 février, l'exposition "Rallumer la nuit" sera visible sur les quais de Rolle.
Vous pourrez découvrir une sélection de mes photos astronomiques entre le Château et le Casino.

C'est un honneur de partager la beauté du ciel nocturne et ma passion pour l'astronomie à Rolle, où j'ai grandi.

L'exposition s'inscrit dans le cadre des rencontres "La nuit mon amie", organisées par la Commission Énergie et Développement Durable (COMEDD).

Merci au bureau Culture-Sport-Manifestations de la rendre possible :)

🇬🇧 From the 11th of February, the exhibition "Rallumer la nuit" (Lighting up the night) will will be on display on the lakeside in Rolle.
You will find a selection of my astronomical pictures between the Château and the Casino.

It is an honour to share the beauty of the night sky and my passion for astronomy in Rolle, my hometown.

The exhibition is part of the "La nuit mon amie" series of events organised by the Energy and Sustainable Development Commission (COMEDD).

Thank you to the Culture-Sport-Events office for making it possible :)

#Astronomy #PollutionLumineuse #RallumerLaNuit #Exposition #Astrophotography

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joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
joserodrigues.space
joserodrigues.space
@joserodrigues@defcon.social

Astrophysicist by day, amateur astronomer by night. I am into telescope making, astrosketching and astrophotography. I spend most of my time looking for Earth-sized exoplanets and communicating astronomy. Can interact in English, French and Portuguese.

defcon.social
@joserodrigues@defcon.social · Jan 20, 2026

What an amazing night.

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