Become a Member, Now!

Celebrate and learn about the Green Comet as it reaches its closest approach to Earth.  Not seen for 50,000 years, we’ll have live viewing from multiple telescopes of Comet C/2022 E (ZTF) – weather permitting πŸ™‚  We’ll also discuss comets in general and view images taken at the observatory. Tours of the facility will be offered. Dress appropriately for the weather. Our classrooms are heated but the domes are not.

Open Observatory Every Wednesday Night.

Check out our calendar for a complete list of events and times.
Sign-up here for group reservations.

 Visitors Welcome!

The Martz-Kohl Observatory is happy to host groups, large or small! Scouts, school classes, civic organizations, clubs, and groups of family and friends are invited to experience the wonders of the night sky. Our mission is to inform, educate and inspire the general public and support teaching in the sciences of astronomy and physics. Groups can use our contact form to obtain more information. Use our event calendar to learn about lectures by educators, scientists, astronomy & space professionals, as well as observatory members β€” which are open to the public.

Comet C/2022 E3 (ZTF) Viewable in January!

Upcoming in the Observatory Lecture Series

Click on image for more info…
Click on image for more info…

Beaver Blood Moon Lunar Eclipse
November 8, 2022

View more images in our galleries.
Also check out the astronomy photo of the day.


The Martz-Kohl Observatory is run by the Marshal Martz Memorial Astronomical Association Inc. a not-for-profit voluntary group of people interested in astronomy. The observatory is located in Frewsburg, New York in Chautauqua County, not far from Jamestown and Chautauqua Lake.