r/aliens
/u/Shot_Chair5074
Óscar Arredondo’s “Martian of La Alberca” Photograph — La Alberca, Valle de Santiago, Mexico, 1992
Witnesses
Unknown
Duration
Unknown
Source material
3
Timeline
2
Source context
Limited context
Interesting, but still missing stronger corroboration or harder source material.
Source provenance
r/aliens
Live sighting record 8915302d-f2c3-407e-9593-24e400034f30.
Using the selected case's real source, media, and context throughout the workspace.
Correlations
Field Intelligence
Sunlight window
Daytime — sun above horizon
Sighting occurred during daylight hours
Solar window
Weather
Open-MeteoArea activity
Extracted details
Observed facts
Occurred
Apr 1, 2026, 12:00 AM
Timezone
Central Standard Time
Location
La Alberca, Valle de Santiago, Mexico
Witness account
Narrative
Summary In April 1992, Mexican photographer Óscar Arredondo Ramírez presented a series of photographs that allegedly showed an extraterrestrial inside the volcanic crater of La Alberca, near Valle de Santiago, Guanajuato. The figure became known as the “Humanoid of Valle de Santiago” or “El marcianito de La Alberca.” Arredondo ran a photography business called Fotografía México on Calle Juárez in Valle de Santiago. His photographs first appeared in ¡Cuestión Policiaca! No. 104, dated October...
Case progression
Timeline
Witnesses place the encounter near La Alberca, Valle de Santiago, Mexico.
r/aliens carried the report into the source network.
Ledger
Source material
media
Cover image
Visual reference carried with the original report.
source
Original report
Direct source material from r/aliens.
telemetry
Environmental pass
Historical atmosphere, astronomy, and nearby infrastructure were resolved for this case.