VASCO Project
Applies rigorous observational astronomy to pre-satellite sky surveys to identify technosignatures.
01 Definition
Astronomical research initiative comparing historical pre-satellite photographic plates with modern sky surveys to detect disappearing stars and technosignatures.
02 Detailed_Analysis
The Vanishing and Appearing Sources during a Century of Observations (VASCO) project, directed by Dr. Beatriz Villarroel (Stockholm University / Nordita), cross-references photographic plates from the 1950s US Naval Observatory survey (USNO B1.0) with modern digital surveys like Pan-STARRS. Because the 1950s plates predate artificial orbital launches, unexplained point sources appearing on a single epoch that vanish completely are analyzed as potential non-terrestrial technosignatures, high-albedo artificial satellites, or rare astrophysical transients.
03 Key_Facts
- ▸ Founded and led by astrophysicist Dr. Beatriz Villarroel in 2017.
- ▸ Compares 1950s pre-Sputnik photographic plates with modern digital all-sky surveys.
- ▸ Identified over 100 single-epoch vanishing point-source candidates.
- ▸ Investigates anomalies as astrophysical transients, artifacts, or technosignatures.
04 Deep_Dive_Intelligence
Overview
ASSESSMENT: Beatriz Villarroel (astronomer, Stockholm University / Nordita) runs the VASCO (Vanishing and Appearing Sources during a Century of Observations) project — the ASTRONOMICAL SEARCH FOR TECHNOSIGNATURES. Started 2017. Compares 1950s photographic plates (USNO B1.0, ~600M objects) with modern surveys (Pan-STARRS). 1950s plates taken BEFORE Sputnik (no satellite glints). KEY FINDINGS: ~150,000 preliminary candidates, ~24,000 visually examined, ~100 single-epoch point sources. 'Thousands of objects visible in 1950s that no longer seen today.' 'Short-lived transients' — bright for minutes, then vanish. 2021: 9 TRANSIENTS APPEAR AND VANISH WITHIN 50 MINUTES in confined sky portion. 'Several groups of multiple transients' 'eluding conventional explanation.' NO Dyson spheres or failed supernovae (< 1 in 600M in 70 years). HYPOTHESES: radioactive isotopes from atomic tests, plate defects, M-dwarf flares, high-z supernovae, sub-second optical flashes. 2025 paper: 'groups of short-lived transients on historical photographic plates that lack conventional explanation.' Villarroel counters 'emulsion flaws' — sub-second flashes naturally appear sharper/circularer. Sol 2024 speaker. CRITICAL: Pre-Sputnik 1950s transients = NOT satellites. 9 transients in 50 minutes = coordinated pattern. 'Technosignatures' framing = SETI via sky survey. Connects to Vallée's control system (phenomenon present throughout history).
Entity Type: Assessment — Beatriz Villarroel (VASCO Project, Thousands of Unexplained Transients, Technosignatures) is an analytical assessment synthesizing multiple data points.
Source Documents
Intelligence derived from 5 source documents:
- vascoproject.org — Vanishing Stars
- IOPscience — VASCO Project I: USNO Objects Missing in Modern Sky Surveys (2019)
- Swedish National Space Agency — Beatriz Villarroel on VASCO (Feb 2026)
- arxiv.org — On the Image Profiles of Transients in the Palomar Sky Survey (2025)
- IAC — VASCO project status update (2019)
06 Related_Terms (2)
07 Related_Entities (1)
08 Timeline_Mentions (7)
Villarroel founds VASCO (2017): astronomical technosignature search — 9 transients in 50 minutes, pre-Sputnik, 'no conventional explanation'
Astronomical search for alien technology. 1950s plates (pre-Sputnik). Thousands of transients. 9 in 50 minutes. 'No conventional explanation.' Technosignatures. SETI via sky survey.
uap-researchSol Foundation launched (Aug 2023) — Stanford UAP think tank: Nolan + Grusch + Davis + McCullough (former IC IG)
Stanford UAP think tank. Nolan (brain damage), Grusch (whistleblower COO), Davis (AAWSAP), McCullough (former IC IG legal counsel), Gallaudet, Loeb, Vallée. Academic arm.
uap-researchLoeb IM1 expedition (June 2023): BeLaU spherules 'never reported before' — first recovery of potential interstellar material
Harvard expedition. ~850 spherules. BeLaU composition never reported before. 1000x above solar system. 4x stronger than iron meteorites. 'Voyager-type meteor?' $1.5M Hoskinson grant.
uap-researchLoeb IM1 spherule recovery (June 2023): ~850 spherules from interstellar meteor, 5 with BeLaU excess 'three orders of magnitude' — first interstellar material
Harvard Galileo Project. IM1 (CNEOS 2014). Interstellar (45 km/s). 850 spherules. 5 with BeLaU excess. 'Distinct extra-solar.' 'Different from coal fly ash.' Concentrated along path. 22% D-type. Stron
uap-researchSol Foundation 2024 Symposium (Nov 22-23): Nell+Davis+Gallaudet+Graves+Mellon+Loeb+Vallée — Stanford-sponsored, sold out
Most comprehensive academic UAP conference. 17+ speakers. Nell+Nolan NHI framework. Davis+McConnell executive secrecy. Gallaudet all-of-government. Loeb Galileo Project. Stanford sponsored.
uap-researchMcConnell at Sol 2024 (Nov 22): 'Politics of Executive Branch UAP Secrecy' — 37-year insider confirms 'potentially illegal' UAP programs
37-year SASC/SSCI/HPSCI staffer with compartmented clearances. 'Multiple individuals with firsthand knowledge spoken to Congress.' 'Potentially illegal UAP programs.' Disclosure Foundation policy brie
uap-researchVillarroel VASCO nuclear-UAP connection (Oct 2025): 106,000 transients, 68% increase after nuclear tests, 8.5% per UAP report
Stockholm/Nordita. VASCO. 600M stars. 106K transients. 68% after nuclear tests. 8.5% per UAP report. Amplified effect. Pre-satellite 1950s. Scientific Reports + PASP. Sol Foundation.
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