kmz file , click on link to open up GoogleEarth with path and limits. This path is the one which Jose has more confidence in, vs. some of the other paths w/o the new astrometry.
This is a high value TNO occultation, subject of a PhD thesis... José María Gómez-Limón Gallardo and I am a PhD student at IAA-CSIC in Granada, Spain. This email is to inform you about the TNO 2012 YF12 occultation opportunity that will be visible from Hawaii and USA West Coast on 2025-04-10T05:57 UTC, see attached files. This is a target of my thesis project. Since I am targeting smaller and hence fainter targets, the uncertainty region was originally higher than usual. However, the use of VLT high precision astrometric data allowed us to considerably narrow down the shadow path.
The aim of the campaign is to get at least one positive detection so that the ephemeris of the object can be further refined. Since the object is embedded in a dense stellar field, new occultation opportunities will arise (and this time with smaller uncertainty and greater chances for more positive chords).
If it is possible for you to observe this event, the data would be of GREAT value for my research. The attachment pdf document has more details to prepare your observation. Please report your intention to observe preferentially through the Tubitak occ portal https://occultation.trgozlemevleri.gov.tr/ or occultwatcher website, as I will be monitoring those. For any further questions do not hesitate to contact me. In order to streamline the analysis process, I kindly request that you provide your data in FITs images when you can (CMOS, CCDs), video is ok for video cameras. To make this process as smooth as possible, you can upload your data to the Occultation Portal used by our Lucky Star collaboration ( https://occultation.trgozlemevleri.gov.tr/ ). Include dark and flat calibrations in your data when possible. If you are new to this portal or have not used it for a long time, here (https://occultation.trgozlemevleri.gov.tr/media/docs/Quickguide_OccultationPortal.pdf ) you have the quickguide on how to use it
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