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After more than a month of meticulous observation, the Al-Khatim Astronomical Observatory in Abu Dhabi has successfully photographed a breathtaking image of a cosmic cloud of gas and dust known as the 'Boogeyman' Nebula (LDN 1622).
The spooky nickname originates from a gas dust formation in the lower left of the nebula that bears a resemblance to a human figure, evoking the mythical 'Boogeyman' used in Western folklore to scare children. Similar legendary figures are present in Arab cultures, such as 'Abu Rujm al-Masloukhah' or 'the Donkey of the Nap Time'.
Nebula names are either labels for well-known and long-identified nebulae, like the Orion Nebula or the Eagle Nebula, or titles for newly discovered ones given by their discoverers or those who first captured them.
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This nebula is situated in the Orion constellation, about 1,500 light-years away from Earth. It is a dark nebula that appears in front of a luminous mass of red hydrogen gas, forming part of the 'Barnard Loop'.
Why does the nebula look like a 'Boogeyman'?
The "Boogeyman" Nebula's appearance is due to the high density of gas and dust within it, which obstructs light emitted from behind, causing it to appear as a dense, opaque dark cloud.
To the right of the Boogeyman’s “head” is a smaller reflection nebula, vdB 62, which glows by reflecting light from a star within it, known as HD 288313, illuminating its clouds with that star's light.
Imaging the Boogeyman Nebula was a challenging task. Observations commenced on January 2, 2026, and continued until February 5, depending on weather conditions, sky visibility, and the moon's distance from the nebula's position.
Throughout this month-long endeavor, the team captured 343 images, each with a five-minute exposure, totaling 28.5 hours of observation.
The observatory utilized a Kasra telescope with a 4.3-inch aperture, fitted with a color camera and a specialized filter to diminish light pollution. Thanks to the desert location of the site and relatively dark skies, rated 6.5 on the Bortle scale, the team managed to capture even the faintest details. Observers are encouraged to view the final image from dark locations to fully appreciate its subtle structures.
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