# RAPAS observation list starting 2025-08-15

**URL:** <https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-08-15/437>\
**Category:** RAPAS\
**Created:** [August 15, 2025, 2:00pm UTC](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-08-15/437 "2025-08-15T14:00:11Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![astro.colibri](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.astro-colibri.science/astro.colibri/32/104_2.png) [@astro.colibri](https://forum.astro-colibri.science/u/astro.colibri)\
**Post date:** [August 15, 2025, 2:00pm UTC](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-08-15/437/1 "2025-08-15T14:00:11Z")

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Please vote for the event(s) you’re most interested in.

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Cliquez sur les noms des événements ci-dessus pour en savoir plus ou téléchargez tous les détails [ici](https://astro-colibri.science/event?trigger_id=TNS2025rbs&trigger_id=TNS2025sii&trigger_id=15309198471&trigger_id=14119819914656&trigger_id=06800000790&trigger_id=TNS2025sei&trigger_id=1412409390028&trigger_id=01709198788&trigger_id=14122933703437).

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Veuillez voter pour les événements qui vous intéressent le plus :

_Poll ([view on site](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-08-15/437/1))_

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**Author:** ![Fabian.Schussler](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.astro-colibri.science/fabian.schussler/32/25_2.png) [@Fabian.Schussler](https://forum.astro-colibri.science/u/Fabian.Schussler)\
**Post date:** [August 20, 2025, 8:13am UTC](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-08-15/437/2 "2025-08-20T08:13:55Z")

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**New Astrophysical Transient Alert: AT 2025ulz**

We invite all amateur astronomers to participate in the follow-up observations of this exciting new transient event. For more details, including visibility and coordinates, please visit the Astro-COLIBRI platform: [AT 2025ulz](https://astro-colibri.com/event:TNS2025ulz)

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**Alerte Nouvel Événement Transitoire Astrophysique : AT 2025ulz**

Nous invitons tous les astronomes amateurs à participer aux observations de suivi de ce nouvel événement transitoire passionnant. Pour plus de détails, y compris la visibilité et les coordonnées, veuillez visiter la plateforme Astro-COLIBRI : [AT 2025ulz](https://astro-colibri.com/event:TNS2025ulz)

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**Author:** ![Fabian.Schussler](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.astro-colibri.science/fabian.schussler/32/25_2.png) [@Fabian.Schussler](https://forum.astro-colibri.science/u/Fabian.Schussler)\
**Post date:** [August 20, 2025, 8:14am UTC](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-08-15/437/3 "2025-08-20T08:14:55Z")

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Faint but interessting target!

This is a likely kilonova possibly associated with a sub-threshold gravitational wave event.

> **[GCN - Circulars - Circular Group - Circular Event Group](https://gcn.nasa.gov/circulars/events/ligovirgokagra-s250818k)**

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**Author:** ![thierrymidavaine](https://yyz1.discourse-cdn.com/flex007/user_avatar/forum.astro-colibri.science/thierrymidavaine/32/135_2.png) [@thierrymidavaine](https://forum.astro-colibri.science/u/thierrymidavaine)\
**Post date:** [August 20, 2025, 9:05am UTC](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-08-15/437/4 "2025-08-20T09:05:08Z")

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Many thanks Fabian, this is nice, we will try to get it from OHP with 120cm telescope we will use from next friday during the RAPAS training meeting.