Discurso cometologico, y relacion del nuevo cometa
Subtitle: visto en aqueste hemispherio mexicano, y generalmente en todo el mundo: el año de 1680; y extinguido en este de 81: observado, y regulado en este mismo horizonte de Mexico
By: Por Joseph de Escobar, Salmeron, y Castro, medico, y cathedratico de cirugia, y anothomia, en esta Real Vniversidad: dedicado, y consagrado al gloriossimo patriarcha San Joseph, esposo de Nuestra Señora, y amatissimo patron de esta Nueva-España
Contributors: León, Nicolás, 1859-1929
Publisher: Por la viuda de Bernardo Calderon
Published: 1681
Place of publication: Con licencia. En Mexico
Language: spa
Number of pages: 24
Subjects: Comets; Astronomy
Other titles: Discvrso cometologico, y relacion del nvevo cometa.
Notes: The comet seen "throughout the world" in 1680 referred to in the title is the Kirch comet, discovered by discovered by Gottfried Kirch in 1680. It has the  distinction of being the first comet discovered by telescope. It was discovered and became one of the brightest comets of the 17th century.

This work is a reply to: Manifiesto filosófico contra los cometas / by Carlos de Sigüenza y Góngora, printed in Mexico City, 1681.

Signatures: pi⁴ (pi1 verso blank) A-F⁴

Woodcut vignette of a comet appears on title page; head and tail pieces; initials.

Includes a woodcut image of Saint Joseph above the dedication on leaf [2] recto.

Medina, J.T. Imprenta en México (1539-1821), 1224.

Palau y Dulcet, A. Manual del librero hispano-americano (2. ed.), 81248.

Sabin, J. Dictionary of books relating to America from its discovery to the present time, 75818.

Purchase; 1909; 5762.

Text primarily in Spanish with some passages in Latin.