Mysterious Hessdalen Lights, Norway

Hessdalen light in Norway is the most mysterious light which no one is able to understand yet. This unexplained light observed in 7.5-mile-long Hessdalen valley in rural central Norway. The Hessdalen lights are of unknown origin. They appear at day and night, and seem to float through and above the valley. They are usually bright white, yellow, or red and can appear above and below the horizon. Duration of the phenomenon may be a few seconds to well over an hour. This mystery in Norway's Hessdalen Valley has continued since 1930. There is nothing known about this light yet. This light appears right above the ground. The light rays of this kind were first seen in 1930. Especially high activity occurred between December 1981 and mid-1984, in which period the lights were being observed 15–20 times per week, attracting many overnight tourists who arrived in for a sighting. As of 2010, the number of observations has dwindled, with only 10 to 20 sightings made yearly. Sometimes this light appears in the form of plain pattern in the sky, and sometimes it appears in different colors. This type of light is seen every year 10 to 20 times. Scientists have many theories regarding this, but no one is satisfied with these theories.

Since 1983, there has been ongoing scientific research, referred to as "Project Hessdalen", initiated by UFO-Norge and UFO-Sweden. A field investigation was carried out between 21.January and 26.February 1984. Fifty-three light observations were made during the field investigation. You may read the details in the technical report. There was an additional field investigation in the winter of 1985. However, no phenomena were seen during the period when the instruments were present. A group of students, engineers and journalists collaborated as "The Triangle Project" in 1997–1998 and recorded the lights in a pyramid shape that bounced up and down. In 1998, the Hessdalen Automatic Measurement Station (Hessdalen AMS) was set up in the valley to register and record the appearance of lights. Lights are still being observed in the Hessdalen Valley, but their frequency has decreased to about 20 observations a year.