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A UFO caught on camera by a Queenstown man on Wednesday night was most likely a Boeing 787 Dreamliner, according to one Otago Daily Times reader.
However, other readers have other suggestions.
Matt Wilcox was out for a walk in the resort on Wednesday night when he spotted something odd in the sky.
Catching the object on camera, he said it was visible for about a minute before it went behind the Remarkables and out of sight.
Southland Astronomical Society astronomer Mike Bailey examined the footage and believed it was not a plane because it was moving too quickly and said the best possible explanation was that it was a meteor entering the Earth's atmosphere''.
"It's likely nothing would have hit the ground, and that it was possibly as small as a golf ball, or even smaller."
Mr Bailey said this kind of activity was more common than most realised; tonnes of material entered the atmosphere each day.
The video, which was posted on social media, had some viewers speculating it could have been an asteroid.
However, Mr Bailey said that certainly was not the case.
"If that was an asteroid that came in Queenstown probably wouldn’t exist any more."
A Dunedin resident contacted the ODT this morning to say she, too, had seen the object in the sky, describing it as "the strangest thing we've seen".
The woman, who asked not to be named, was walking with her children about 5.45pm on Wednesday when they saw "a black line go vertically super high for probably close to a minute in the air, then stop".
"It turned and it became a wide horizontal line, with a black thing looking like a helicopter, but super high, right across the sky, then it disappeared."
They initially thought it may have been a "rocket launch" from Central Otago, or a satellite, or maybe a plane from Central America "and the curvature of the earth was fooling our eyes".
"But the black trial behind the first part was super odd.
However, reader Bruce Smaill said the object was most likely a LATAM airlines Boeing on the way from Sydney to Santiago, Chile.
"It was flying at a height of 37,000 feet, so the cloud it was underneath must have been extremely high.
"The aircraft was visible over Dunedin as well and was followed by a second aircraft about an hour later."