# AT 2025aei in LEDA 502497 **URL:** \ **Category:** Latest transients\ **Created:** [January 27, 2025, 10:53pm UTC](https://forum.astro-colibri.science/t/at-2025aei-in-leda-502497/325 "2025-01-27T22:53:57Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![roger.hellot.astro](https://avatars.discourse-cdn.com/v4/letter/r/f08c70/32.png) [@roger.hellot.astro](https://forum.astro-colibri.science/u/roger.hellot.astro)\ **Post date:** [January 27, 2025, 10:53pm UTC](https://forum.astro-colibri.science/t/at-2025aei-in-leda-502497/325/1 "2025-01-27T22:53:57Z")
Hi, I took a measurement of the AT2025aei transient last night. It was a firework display of satellites… ![SUM_ensemble_a](https://canada1.discourse-cdn.com/flex007/uploads/astro_colibri/original/1X/8ca918847885c56bc947e93dc0ea5d41fe0f60da.jpeg) But the setting of the nova in the LEDA 592497 Galaxy is nice. ![20250126 AT2025aei dans LEDA502497](https://canada1.discourse-cdn.com/flex007/uploads/astro_colibri/original/1X/e7320efe7314b10388b9981318896a08e892fdc4.jpeg) 3 x 300s exposures give the fellowing median value. | 2025-01-25T11 :01 :16 | Magnitude découverte | 17,55 | | | --- | --- | --- | --- | | 2025-01-26T01 :15 :25 | Magnitude Filtre~GBp (420-685nm) | 17,60 | +/- 0,01 | | AITP Observatory San-Pedro-Atacama-Chile (AITP-OBS-SPC) | | | | | W96, 068 10 47.98 W, 22 57 12.52 S, 2399 m, GoogleEarth, MSL | | | | | Telescope : PlaneWave 17’’ (F/6.8) on Astelco NTM500 mount | | | | | Instrument : QHY268M CMOS Camera (Sony IMX571), 6280x4210, 16 bits, 3,76 um/px | | | | | Roger | | | |