Until 1553 he lived in Nuremberg in what he referred to himself as the "Schmelzhütten", after which Glaser had his workshop in the immediate vicinity of the parish church of St. Lorenz.
The broadsheet, illustrated with a woodcut and text, is preserved at the Zentralbibliothek Zürich in Zurich, Switzerland.
[3] Among ufologists Glaser's picture report is interpreted as a UFO landing or even as a witness protocol of a spaceship battle over Nuremberg.
[4] However, some claim that the two cylindrical objects running diagonally downward resemble the phenomenon of the parhelion and the further lines similar halo effects.
[citation needed] However, the engraving doesn't fit the usual classic description of a sun dog: "a bright spot sometimes appearing at either side of the sun, often on a luminous ring or halo, caused by the refraction and reflection of sunlight by ice crystals suspended in the earth's atmosphere".