Winer Observatory is an astronomical

Astronomy

Astronomy is a natural science that deals with the study of celestial objects and phenomena that originate outside the atmosphere of Earth...

 observatory

Observatory

An observatory is a location used for observing terrestrial or celestial events. Astronomy, climatology/meteorology, geology, oceanography and volcanology are examples of disciplines for which observatories have been constructed...

 near Sonoita, Arizona

Sonoita, Arizona

Sonoita is a census-designated place in Santa Cruz County, Arizona, United States. The population was 826 at the 2000 census....

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It is a private, non-profit observatory, operated by Mark Trueblood

Mark Trueblood

Mark Trueblood is an American engineer and astronomer. He is noted for early pioneering work in the development of robotic telescopes, especially as the author of several articles and two books on the subject, including Microcomputer Control of Telescopes and Telescope Control, both of which were...

 since 1983. It has been the site of a number of significant small telescope

Small telescope

A small telescope is generally considered by professional astronomers to be any reflector type telescope with a primary mirror of less than 2 metres diameter...

s and famous robotic telescope

Robotic telescope

A robotic telescope is an astronomical telescope and detector system that makes observations without the intervention of a human. In astronomical disciplines, a telescope qualifies as robotic if it makes those observations without being operated by a human, even if a human has to initiate the...

s. It has been the site of the Iowa Robotic Observatory. The facility also hosted Michael Schwartz's telescope, active in supernova

Supernova

A supernova is a stellar explosion that is more energetic than a nova. It is pronounced with the plural supernovae or supernovas. Supernovae are extremely luminous and cause a burst of radiation that often briefly outshines an entire galaxy, before fading from view over several weeks or months...

 patrols, until Tenagra Observatories opened a facility in the area.