The Apache-Sitgreaves Observatory






The Apache-Sitgreaves Observatory







At the Apache-Sitgreaves Observatory, no one gets a paycheck.

Not the Staff Astronomer, not even the 36-inch telescope operator.

Every product on the Home page keeps ASO funded.

We appreciate your purchases helping a good cause.




This last winter, 2024, the Apache-Sitgreaves Observatory underwent

some on-going maintenance for a science project monitoring

T Coronae Borealis (T CrB), a recurring Nova, and two other stellar phenomenon.

Monitoring these types of stars provide useful insight into their behavior,

and there is the ongoing Supernovae detection project with the telescope

set up for science.

Due to this there will be no public programs while these projects are ongoing.



* Night Sky Observing Program. Apache-Sitgreaves Observatory using a 36-inch telescope, provides stunning detail of planets, nebulae, and galaxies. This is fun for all ages..., is open to the public on select nights of the year..., an awesome experience!!! * Couple's Night - Night Sky Photography Workshop. A romantic night under the stars learning about cameras, astronomy, and, each other. Everything is provided for you; Camera, Wide-Field Lens, Tripod, World-Class Dark Skies, and, advice to take your very own beautiful star-filled images. Learn the constellations, how to photograph the Milky Way, capture star trails, long exposures, and light painting, just a fun astronomy night. Note; no telescopes are used in this workshop. * Daytime Solar Observing Program (using both eyes and ears!) See the Sun's surface safely, view the Solar Spectrum, and, hear the Sun on our decametric radio telescope. * Citizen Scientist Activity; Meteor Shower Viewing and Analysis. Come for the fun of it or join in on the science of documenting the meteors you have seen. Throughout the year there are spectacular displays of 'Shooting Stars'; known as Meteors, streaking across the sky. On select nights we set up for a late-night meteor viewing adventure, clear or cloudy. It is fun just to discuss astronomy, the constellations, Earth's orbit and how it intersects with debris left by comets which burn up in our atmosphere. If you do want to participate in the Citizen Scientist activity, all materials will be provided. If you just want a fun experience we have that too!
















We conduct astronomical research that benefits Humanity.

Namely, supernova (SNe) patrol and spectroscopic determination of

the type of SNe, which are used as Standard Candles in

determining parameters regarding our Universe.

Please help the ongoing research by purchasing items from our website,

or by making a donation....



Good Night.jpg








Our Location;

We are located on top of the Colorado Plateau in Northern Arizona along

with other significant astronomical resources like Lowell Observatories

in Flagstaff and Anderson Mesa, and the 4.2-meter Discovery Channel

Telescope in Happy Jack, the Apache-Sitgreaves Observatory in Overgaard,

Arizona is located at a world class dark sky site at just under 7000 feet elevation

We have access to World-Class dark skies for our research using the only

large aperture telescope in Navajo County.

Our Skies;

The skies are not only extremely dark but very transparent,

with sub-arc second seeing on most nights.



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