For the past five years, skeptics at the debunking forum Metabunk have debated Yalman's videos, with no clear conclusions yet. Several hypotheses considered include lights near the top of a distant cruise ship and a cunning hoax using the reflection of a small, metallic ring

To take a UFO case seriously, scientists want multi-sensory data: eyewitnesses, radar, heat data from thermal imaging, video, photos and more recorded from multiple angles on different kinds of hardware.

While the US military has publicly acknowledged that they hold exactly this kind of mutually reinforcing data for UFO cases that have baffled the Pentagon's new All-domain Anomaly Resolution Office (AARO) — the best evidence remains frustratingly classified. The problem for the general public is that seeing is believing. (Daily Mail)

Stephenville, Texas; January 8, 2008 

Tepoztlán, Mexico; June 7, 1992 

Kumburgaz, Turkey; 2007-2009 

Lake Cote, Costa Rica; September 4, 1971

McMinnville, Oregon; May 11, 1950

Imaging experts have tried to use radiometry to estimate the distance and size of the McMinnville UFO: an approach borrowed from astronomy that estimates the distance of an object presumed to be perfectly black up close, as it fades to gray in a photo's distant haze

Weyauwega, Wisconsin; February, 2003