# RAPAS observation list starting 2025-01-10

**URL:** <https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-01-10/312>\
**Category:** RAPAS\
**Created:** [January 10, 2025, 2:00pm UTC](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-01-10/312 "2025-01-10T14:00:22Z")\
**Posts on this page:** 5\
**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:** [January 10, 2025, 2:00pm UTC](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-01-10/312/1 "2025-01-10T14:00:22Z")

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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=TNS2024abqt&trigger_id=TNS2024yyu&trigger_id=757051990&trigger_id=TNS2024afyi&trigger_id=01709130082&trigger_id=1280056&trigger_id=sb25010802&trigger_id=TNS2025fi&trigger_id=TNS2025ei&trigger_id=TNS2025eh).

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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-2025-01-10/312/1))_

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**Author:** ![pylechapelain](https://avatars.discourse-cdn.com/v4/letter/p/8e8cbc/32.png) [@pylechapelain](https://forum.astro-colibri.science/u/pylechapelain)\
**Post date:** [January 12, 2025, 8:25pm UTC](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-01-10/312/2 "2025-01-12T20:25:25Z")

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Hello, about AT 2025ki in M31 : did one of you managed to measure it ? The galactic disk is making it difficult to measure for me (but I am new to this).

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**Author:** ![pylechapelain](https://avatars.discourse-cdn.com/v4/letter/p/8e8cbc/32.png) [@pylechapelain](https://forum.astro-colibri.science/u/pylechapelain)\
**Post date:** [January 13, 2025, 2:26pm UTC](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-01-10/312/3 "2025-01-13T14:26:00Z")

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Hello all ! I tried 2025ki again with lower exposition time but not able to spot it.

Better results on AT 2025kw :

 ![image](https://canada1.discourse-cdn.com/flex007/uploads/astro_colibri/original/1X/3370232a269a328d121988478110b0216f928f6a.jpeg)

Photo from DSS :  
[![image.png.5dc3efa14eeeed7037bef1f7d9891053.png](https://canada1.discourse-cdn.com/flex007/uploads/astro_colibri/original/1X/04bd67fe034654d05cc23fac07145a355db063c7.png)](https://www.webastro.net/uploads/monthly_2025_01/image.png.5dc3efa14eeeed7037bef1f7d9891053.png)

My cropped image :  
[![image.png.60671c0a838be89822f72f9462940bee.png](https://canada1.discourse-cdn.com/flex007/uploads/astro_colibri/original/1X/7247b490120c75b903ca5b73d1308e0e70062d0a.png)](https://www.webastro.net/uploads/monthly_2025_01/image.png.60671c0a838be89822f72f9462940bee.png)

Linearity from other comp stars (tycho tracker) :  
[![image.thumb.png.4ebf35c7bc175c826d22f2a754b9f7c6.png](https://canada1.discourse-cdn.com/flex007/uploads/astro_colibri/original/1X/38d092536eeb1a7a9f75af5aadce16fbafd41af9.jpeg)](https://www.webastro.net/uploads/monthly_2025_01/image.png.a893140fff59f38d67234e6c6d1fa305.png)

Newt 10" @ F/3 + ZWO585MC :  
30x120s :

Photometry in Red channel (from my images and also from ATLAS catalog) :

## EXPOSURE JD: Mid-exposure, not corrected for light time

## JD mag Flt SNR ZeroPt Cat Design.

2460688.687295 17.141+/-0.06 R R 19.87 27.505 ATLAS2 0  
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**Author:** ![pylechapelain](https://avatars.discourse-cdn.com/v4/letter/p/8e8cbc/32.png) [@pylechapelain](https://forum.astro-colibri.science/u/pylechapelain)\
**Post date:** [January 14, 2025, 9:01am UTC](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-01-10/312/4 "2025-01-14T09:01:27Z")

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New measurement this night with less exposure due to weather : 10x120s

 ![image](https://canada1.discourse-cdn.com/flex007/uploads/astro_colibri/original/1X/69686049071a1b6c4e2895c5eed3fc28cb851358.jpeg)

| JD | MAG | ERR |
| --- | --- | --- |
| 2460688.687295 | +17.145 | +0.068 |
| 2460689.719255 | +16.864 | +0.141 |

Flux is increasing ?

 ![image](https://canada1.discourse-cdn.com/flex007/uploads/astro_colibri/original/1X/417fba8e34d27be82966050d3403127c08d96a4b.png)

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**Author:** ![pylechapelain](https://avatars.discourse-cdn.com/v4/letter/p/8e8cbc/32.png) [@pylechapelain](https://forum.astro-colibri.science/u/pylechapelain)\
**Post date:** [January 14, 2025, 10:13am UTC](https://forum.astro-colibri.science/t/rapas-observation-list-starting-2025-01-10/312/5 "2025-01-14T10:13:07Z")

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![image](https://canada1.discourse-cdn.com/flex007/uploads/astro_colibri/original/1X/6933c792ed5d9c0aee10071bbc81104d0d54f520.png)

Dynamic according to my observation in red channel