Within Indonesia UFOs
Can Indonesia's Classic UFO Photos Hold Up?
The Mount Agung and Cilamaya photos are culturally important, but missing provenance keeps them from settling the question.
On this page
- Mount Agung's tourist photograph
- Cilamaya's offshore image
- What photo provenance would need to show
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Introduction
Indonesia’s best-known UFO photographs occupy a strange place in the country’s UFO history. They are among the most frequently reproduced pieces of visual evidence in Indonesian UFO culture, yet they remain difficult to verify in ways that would satisfy modern photographic analysis. The two images most often discussed are the 1973 Mount Agung photograph from Bali and the 1975 Cilamaya offshore photograph from West Java. Both survive largely through later retellings, enthusiast archives, and reproduced copies rather than through well-documented original negatives or complete investigative records. [Bali Discovery]balidiscovery.comBali Discovery UFOs and Flying Saucers Visiting Bali?The… The UFO, which hovered for four minutes before a group of Japanese tourists and…Read more…
That does not make them worthless. Historic UFO photographs often become influential because they are visible and memorable, not because they conclusively prove anything. In Indonesia, where many older UFO reports survive only as newspaper summaries or witness stories, photographs naturally gained symbolic importance. The problem is that a photograph can only answer a limited set of questions. Without clear provenance, chain of custody, technical documentation, and independent corroboration, even a striking image cannot establish what was actually in the sky. [Bali Discovery]balidiscovery.comBali Discovery UFOs and Flying Saucers Visiting Bali?The… The UFO, which hovered for four minutes before a group of Japanese tourists and…Read more… [2dokumen.pub]dokumen.pubIndonesian UFO Contact Cases Database (Version 0.9…BU INDONESIA, "Japanese Tourists Photograph UFO Sightings on Mount Agung, Bali 197…
Mount Agung’s tourist photograph
The most famous Indonesian UFO image is usually linked to a Japanese tourist identified in later accounts as Ryo Terumoto. According to the story repeated in Indonesian UFO circles, the photograph was taken near Bali’s Mount Agung on 17 August 1973. After the film was developed, an unusual object appeared in the frame above or near the volcanic landscape. Later retellings expanded the account by claiming that several witnesses observed the object for several minutes and that cameras reportedly malfunctioned during the sighting. [Bali Discovery]balidiscovery.comBali Discovery UFOs and Flying Saucers Visiting Bali?The… The UFO, which hovered for four minutes before a group of Japanese tourists and…Read more…
Mount Agung itself contributes to the image’s cultural power. The volcano is one of Bali’s most recognisable landmarks and carries both geological and religious significance. A photograph showing a mysterious object near such a location naturally attracts more attention than a similar image taken against an anonymous background. [Wikipedia]WikipediaMount AgungMount Agung
The photograph’s weaknesses, however, are substantial:
- The original negative is not publicly available for independent examination.
- Most modern viewers encounter reproduced copies rather than first-generation materials.
- Detailed camera information, exposure settings, and development records are rarely presented alongside the image.
- Witness accounts are largely known through later retellings rather than contemporary investigative files.
- There is no publicly available technical analysis demonstrating that the object could not have been a photographic artefact, model, reflection, or misidentified conventional object. [Bali Discovery]balidiscovery.comBali Discovery UFOs and Flying Saucers Visiting Bali?The… The UFO, which hovered for four minutes before a group of Japanese tourists and…Read more…
A recurring problem in UFO photography is that reproduction degrades evidence. Once an image has been copied, reprinted, scanned, or circulated through magazines and websites, analysts lose access to information contained in the original material. Grain structure, edge detail, exposure characteristics, and signs of manipulation become harder to evaluate. The Mount Agung image survives primarily as a historical artefact rather than as a technically examinable piece of evidence. [Bali Discovery]balidiscovery.comBali Discovery UFOs and Flying Saucers Visiting Bali?The… The UFO, which hovered for four minutes before a group of Japanese tourists and…Read more…
Why the Mount Agung image remained influential
The photograph persisted because it arrived at a time when Indonesian UFO interest was developing around figures such as R. J. Salatun and later civilian research communities. A visual image could be reproduced far more easily than a witness statement. As a result, the photograph became part of a shared Indonesian UFO memory even though its evidential value remained uncertain. [South China Morning Post]scmp.comufo fans indonesia why extraterrestrial life should be taken seriouslyMembers report mysterious sightings in the night sky and…Read more… [The Jakarta Post]thejakartapost.comnot a cult ris biggest ufo community beta ufo weighs in on cia reportNot a cult: RI's biggest UFO-community BETA-UFO weighs…8 Jun 2021 — N ur Agustinus, cofounder of Indonesia's largest UFO-centric commu…
This distinction matters. A photograph can be culturally important without being scientifically decisive. The Mount Agung image helped define what many Indonesian enthusiasts imagined a UFO case looked like, but it did not resolve the underlying question of what was photographed.
Cilamaya’s offshore image
The second major case is the so-called Cilamaya photograph, associated with the offshore Arjuna oil field off the coast of West Java. Later accounts identify the photographer as engineer Tony Hartono Rusman and place the event on 22 September 1975. According to the narrative, he observed an unusual elongated dark-red object approaching from the horizon while he was at an offshore drilling installation approximately 83 kilometres from the coast. A photograph was reportedly taken showing the object over the sea. [Candradityaa]candradityaa.blogspot.compenampakan ufo di indonesiaCandradityaaPenampakan UFO di Indonesia25 Feb 2014 — 3.UFO Cimalaya, dipotret di lepas pantai Cimalaya oleh Ir. Tony Hartono (Alm) pada 2…
At first glance, the Cilamaya case appears stronger than many ordinary UFO photographs because it allegedly occurred in an industrial setting rather than during casual tourism. Offshore platforms involve trained personnel, known locations, and potentially additional witnesses. Those features create the impression of a more controlled observation environment. [Candradityaa]candradityaa.blogspot.compenampakan ufo di indonesiaCandradityaaPenampakan UFO di Indonesia25 Feb 2014 — 3.UFO Cimalaya, dipotret di lepas pantai Cimalaya oleh Ir. Tony Hartono (Alm) pada 2…
Yet the same evidential problems reappear:
- Publicly accessible versions of the image are generally reproductions.
- Original negatives and associated documentation are not widely available.
- There is little publicly accessible information about whether multiple photographs were taken in sequence.
- No comprehensive technical report appears to have survived in public circulation.
- Independent confirmation from platform records, aviation logs, or radar data has not emerged publicly. [Candradityaa]candradityaa.blogspot.compenampakan ufo di indonesiaCandradityaaPenampakan UFO di Indonesia25 Feb 2014 — 3.UFO Cimalaya, dipotret di lepas pantai Cimalaya oleh Ir. Tony Hartono (Alm) pada 2…
Because the object was photographed over open water, interpretation becomes especially difficult. Distance is often impossible to establish from a single image. A relatively small nearby object can appear similar to a much larger distant one. Atmospheric distortion, haze, lens effects, and perspective compression can all complicate attempts to determine size and motion.
The offshore setting creates both strengths and weaknesses
The offshore environment gives the Cilamaya photograph a degree of credibility in popular discussion because it suggests observers accustomed to machinery, navigation, and industrial operations. At the same time, that setting removes many visual reference points. Without fixed landmarks, analysts cannot easily estimate altitude, speed, or scale.
As a result, the photograph occupies a familiar UFO category: intriguing enough to resist an easy dismissal, but too poorly documented to support strong conclusions.
Why neither photograph settles the Indonesian UFO question
Supporters of these photographs sometimes argue that the absence of a convincing debunking keeps them significant. Skeptics often respond that the absence of a convincing explanation is not the same thing as evidence for an extraordinary one.
The deeper issue is methodological. A photograph alone rarely proves the nature of an object. Even internationally famous UFO photographs remain controversial when key documentation is missing. Debates over well-known cases in other countries show that striking imagery can survive for decades without producing consensus. [The Guardian]theguardian.comThe GuardianWhat really happened in Calvine? The mystery behind…11 Feb 2025 — In August 1990, two hikers sent photos of a strange diam…
The Indonesian examples face additional obstacles:
- The cases emerged before digital archiving became common.
- Contemporary investigative standards were inconsistent.
- Many original materials appear difficult to access or may no longer exist.
- Later retellings often blend witness testimony, community lore, and secondary reporting.
- Repeated reproduction can make a single photograph appear more documented than it really is. [dokumen.pub]dokumen.pubIndonesian UFO Contact Cases Database (Version 0.9…BU INDONESIA, "Japanese Tourists Photograph UFO Sightings on Mount Agung, Bali 197… [South China Morning Post]scmp.comufo fans indonesia why extraterrestrial life should be taken seriouslyMembers report mysterious sightings in the night sky and…Read more…
This is why the Mount Agung and Cilamaya photographs are better understood as enduring unresolved cases rather than as proven anomalies.
What photo provenance would need to show
The limitations of these classic photographs become clearer when compared with the standards modern investigators would seek.
For a historical UFO photograph to carry strong evidential weight, investigators would ideally want:
- The original negative or original image file
This allows technical examination rather than reliance on copies.
- Documented chain of custody
Analysts need to know who possessed the image and when.
- Camera and exposure information
Lens characteristics, film stock, shutter speed, and development methods can reveal ordinary explanations.
- Multiple independent images
Photographs from different positions greatly strengthen reliability.
- Contemporary witness records
Statements recorded near the time of the event are generally more reliable than recollections decades later.
- Corroborating data
Aviation records, radar returns, meteorological observations, or other independent sources can help establish whether something unusual occurred.
Neither the Mount Agung nor the Cilamaya case publicly satisfies most of these criteria. That does not mean the photographs are fraudulent. It means they remain evidentially incomplete. [Bali Discovery]balidiscovery.comBali Discovery UFOs and Flying Saucers Visiting Bali?The… The UFO, which hovered for four minutes before a group of Japanese tourists and…Read more…
What these photographs still tell us about Indonesian UFO history
The most valuable lesson from Indonesia’s classic UFO photographs may not concern extraterrestrial visitors at all. Instead, they reveal how visual evidence acquires authority within a fragmented historical archive.
Indonesia’s UFO record contains many sightings that survive only as stories. A photograph feels more tangible, so images such as Mount Agung and Cilamaya became reference points for later generations of enthusiasts. They provided something that could be reproduced, discussed, and remembered. [South China Morning Post]scmp.comufo fans indonesia why extraterrestrial life should be taken seriouslyMembers report mysterious sightings in the night sky and…Read more… [The Jakarta Post]thejakartapost.comnot a cult ris biggest ufo community beta ufo weighs in on cia reportNot a cult: RI's biggest UFO-community BETA-UFO weighs…8 Jun 2021 — N ur Agustinus, cofounder of Indonesia's largest UFO-centric commu…
Their continuing importance therefore lies in two different domains. As historical artefacts, they are among the most recognisable visual cases in Indonesian UFO culture. As evidence for an extraordinary aerial phenomenon, however, they remain limited by the same problem that affects many classic UFO photographs worldwide: the image survived, but the documentation needed to settle the question largely did not. [Bali Discovery]balidiscovery.comBali Discovery UFOs and Flying Saucers Visiting Bali?The… The UFO, which hovered for four minutes before a group of Japanese tourists and…Read more… [2dokumen.pub]dokumen.pubIndonesian UFO Contact Cases Database (Version 0.9…BU INDONESIA, "Japanese Tourists Photograph UFO Sightings on Mount Agung, Bali 197…
Amazon book picks
Further Reading
Books and field guides related to Can Indonesia's Classic UFO Photos Hold Up?. Use these as the next step if you want deeper reading beyond the article.
The UFO Experience
Provides investigative frameworks useful when evaluating famous UFO photographs.
The UFO Evidence
Focuses on documented evidence categories including photographs and physical traces.
The UFO Enigma
Addresses how evidence should be assessed in unexplained aerial reports.
Endnotes
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Link: https://dokumen.pub/indonesian-ufo-contact-cases-database-version-09-draft-raw-english-translation.htmlSource snippet
Indonesian UFO Contact Cases Database (Version 0.9...BU INDONESIA, "Japanese Tourists Photograph UFO Sightings on Mount Agung, Bali 197...
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Source: Wikipedia
Title: Mount Agung
Link: https://en.wikipedia.org/wiki/Mount_Agung -
Source: Wikipedia
Title: Belgian UFO wave
Link: https://en.wikipedia.org/wiki/Belgian_UFO_waveSource snippet
Belgian UFO waveThe Belgian UFO wave was a series of sightings of triangular UFOs in Belgium, which lasted from 29 November 1989 to Ap...
Published: November 1989
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Title: Bali Discovery UFOs and Flying Saucers Visiting Bali?
Link: https://www.balidiscovery.com/ufos-and-flying-saucers-visiting-bali/Source snippet
The... The UFO, which hovered for four minutes before a group of Japanese tourists and...Read more...
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Source: theguardian.com
Link: https://www.theguardian.com/world/2025/feb/11/what-really-happened-in-calvine-the-mystery-behind-the-best-ufo-picture-ever-seenSource snippet
The GuardianWhat really happened in Calvine? The mystery behind...11 Feb 2025 — In August 1990, two hikers sent photos of a strange diam...
Published: August 1990
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Source: scmp.com
Title: ufo fans indonesia why extraterrestrial life should be taken seriously
Link: https://www.scmp.com/lifestyle/article/3050459/ufo-fans-indonesia-why-extraterrestrial-life-should-be-taken-seriouslySource snippet
Members report mysterious sightings in the night sky and...Read more...
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Source: thejakartapost.com
Title: not a cult ris biggest ufo community beta ufo weighs in on cia report
Link: https://www.thejakartapost.com/paper/2021/06/08/not-a-cult-ris-biggest-ufo-community-beta-ufo-weighs-in-on-cia-report.htmlSource snippet
Not a cult: RI's biggest UFO-community BETA-UFO weighs...8 Jun 2021 — N ur Agustinus, cofounder of Indonesia's largest UFO-centric commu...
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Source: candradityaa.blogspot.com
Title: penampakan ufo di indonesia
Link: https://candradityaa.blogspot.com/2014/02/penampakan-ufo-di-indonesia.htmlSource snippet
CandradityaaPenampakan UFO di Indonesia25 Feb 2014 — 3.UFO Cimalaya, dipotret di lepas pantai Cimalaya oleh Ir. Tony Hartono (Alm) pada 2...
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Title: mount agung
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royalty-free imagesFind 7114 Mount Agung stock images in HD and millions of other royalty-free stock photos, 3D objects, illustrations an...
Additional References
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introduction of harmful or alien species to a particular part of the marine environment.” The...Read more...
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Link: https://www.instagram.com/reel/DNQQeL7ufQe/?hl=enSource snippet
Three UFOs sitting in the sky in Bali. Weirdest thing I've ever...UFO. WIDE AS A WHOLE FOOTBALL FIELD. IT HOVERED. THEN LANDED IN THE JU...
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nsc.ruARCHAEOLOGY, ETHNOLOGY & ANTHROPOLOGY OF...Photograph and drawing of pottery (1–4), graphic reconstruction of vessel (5). 1... of...
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Title: Agung in Bali, which is one of the highest at-risk volcanoes in Indonesia
Link: https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2021.619587/fullSource snippet
Imaging the Subsurface Structure of Mount Agung in Bali...by A Ardianto · 2021 · Cited by 19 — In this study, we investigate the subsurf...
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Title: ufo polaroid from 1975 with date on the back
Link: https://www.reddit.com/r/UFOs/comments/14dp8lc/ufo_polaroid_from_1975_with_date_on_the_back/Source snippet
UFO Polaroid from 1975, with date on the back. Thoughts..."If aliens exist and are visiting Earth, Why aren't there clear photos of UFOs...
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Title: nl Close to the stone, far from the throne
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to the stone, far from the throne - Research Explorerby PSH Yuwono · Cited by 6 — coastlinee for a rendezvous with an alien ship to take...
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Title: Previously owned by Colonel Wendelle Stevens.Read more
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I own this rare photograph taken by Ryo Terumoto at Mount...I own this rare photograph taken by Ryo Terumoto at Mount Agung in Bali, Ind...
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Title: asia public policy forum 2014 paper
Link: https://ash.harvard.edu/wp-content/uploads/2024/02/asia_public_policy_forum_2014_paper.pdfSource snippet
Theme Parks, shopping malls and restaurants are developed following the current popular style of...Read more...
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TJP Documentaries: Indonesia's UFO Believers Never Stop Looking...
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Source: youtube.com
Title: Mengenal Venzha Christ, Inisiator Indonesia UFO Network #i News Pagi 07/10
Link: https://www.youtube.com/watch?v=za_yhxW_G8YSource snippet
ADA UFO DI INDONESIA? Cerita Misterius Di Pulau Alor | Cerita Api Unggun...
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