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Calendar

2019 General Meetings & Special Events

Located in Flagstaff, AZ, the CAS draws expert program speakers from many sources, including Lowell Observatory, the U.S. Geological Survey, the Naval Observatory, Northern Arizona University, Coconino Community College, as well as organizations in AZ, NJ, CA, NY and our own knowledgeable membership, and occasionally from other astronomical groups. CAS also helps schools near the Navajo reservation, as well as the Hopi with their astronomical programs.

CAS Monthly Meetings and Astronomical Programs are held the Saturday closest to the Full Moon at the Mars Hill Campus of Lowell Observatory, Hendricks Center for Planetary Studies Auditorium (6:45 pm - 8:00 pm., unless otherwise noted) followed by refreshments, and informal discussion. Meetings are open free to the public.


Saturday, January 19, 2019
Wayne Johnson, CAS


Title: “Hunting Supernovae for Amateur Astronomers”

Wayne (aka Mr. Galaxy) Johnson is an avid visual observer of galaxies. He uses his 25-inch telescope from the suburbs of Flagstaff every night it's not cloudy, smoky, windy or snowy. Occasionally a guest star, supernova (?), appears in one of those galaxies indicating a star several times the size of our sun is in its death throes. Wayne has discovered six supernovae using the Orange County Astronomers' 22-inch telescope in Southern California and is the first amateur astronomer to find two in one night.


Saturday, Feburary 16, 2019
Dr. Michael Amundson, NAU


Title: “Seeing Arizona, Imagining Mars: Deserts, Canals, Climate Change, and the American West”

Michael Amundson is a professor of History at Northern Arizona University. He teaches courses on the American West and Sports History. He has published six books on topics ranging from uranium mining and atomic culture, to repeat photography in Wyoming, to songs about cowboys played on wind-up Edison phonographs. This presentation is based on his award-winning article from the Journal of Arizona History.


Saturday, March 23, 2019
Jeremy Perez, The Belt of Venus


Title: “Nightscape Photography”

Mr. Perez has been doing astrophotography as well as astronomical sketching since he moved to Flagstaff from Phoenix many years ago. He has contributed to Astronomy, and Sky & Telescope magazines as well as maintaining a website: http://www.perezmedia.net/beltofvenus. Jeremy describes the methods he uses to image and process nightscape photography such as the Milky Way, meteor showers, and other celestial vistas in and around the Flagstaff, Sunset Crater, and other areas in northern Arizona.


Saturday, April 20, 2019
Lauren Amundson, Lowell Observatory


Title: “Guided Tour of Lowell Observatory’s Putnam Center and Archives”

Lowell Archivist, Lauren Amundson will take us on a tour of the equipment used and images taken over the past 130 years. She will also outline possible archival research projects for volunteers.


Saturday, May 18, 2019
Dr. Gerard van Belle, Lowell Obs., Director NPOI


Title: “The Fundamental Properties of Stars”

Dr. van Belle’s research concentrates on stellar masses, linear radii, and temperatures. These parameters tell us about internal stellar structure and evolution, which in turn is essential in understanding the plethora of new planets recently discovered around nearby stars. He has also applied the highest resolution astronomical techniques to detect such planets and map stellar surfaces.


Saturday, June 1, 2019
Title: “Annual CAS Picnic and Observing Meeting”

At the Brasch Home, Flagstaff


Open to CAS membership and invited friends – Time: 6:00 pm


Saturday, July 13, 2019
Mr. Barry Malpas, Past Dir., UACNJ Obs., NJ


Title: “A Woman’s Place is in the Dome”

Mr. Malpas has been interested in astronomy since childhood and studied engineering, mathematics and Physics at Rutgers University, NJ and teaches astronomy at CCC. He also collects antique astronomy books and has researched the history of women in astronomy for over 40 years. Historically, women were usually excluded from educational pursuits, let alone doing Astronomical research. However, many still made major contributions and now even lead science programs. Mr. Malpas will review women astronomers from the antiquity, and also display some antique astronomy books authored by women.


Saturday, August 17, 2019
Dr. Phil Massey, Lowell Observatory


Title: “Massey on Stellar Masses”

Dr. Massey’s research interests include the study of massive stars, binary stars, young clusters, and the initial mass function. He primarily uses the nearby galaxies of the Local Group to study how the evolution of the most luminous and massive stars is affected by environmental factors, such as metalicity. Paradoxically, Massey hates travel, but loves observing from remote mountain tops, particularly Las Campanas Observatory, from which he studies stars in the Magellanic Clouds.

CAS Membership

We Welcome anyone interested in Astronomy

Membership in CAS is open to all interested in learning more about astronomy and telescopic observing. Membership entitles you to attend, and be involved with, the monthly general meetings, as well as special club events, observing sessions, and star parties, at our Dark Sky Observing Site. Annual and monthly events postcards with CAS happenings are mailed to all Members.

Besides “Regular Membership,” CAS has “Household Memberships” for two adults at the same address, “Junior Memberships” for students, and “Sponsoring Memberships” for those wishing to help support the Society.

If you are interested in becoming a member use the brochure application form, or the one on our website ( Join Us) web page

For questions you can email us at: info@coconinoastro.org, or contact Anne Wittke, CAS Treasurer, at (928) 606-2064.


Board Meetings
Thursdays at 7 pm

January 17, 2019
March 21, 2019
May 16, 2019
July 11, 2019
September 12, 2019
November 14, 2019


Williams Public Observing

On the Friday evening closest to First Quarter Moon, April through October, CAS hosts its monthly community outreach program to educate and promote interest in Astronomy to the general public.

CAS members set up their telescopes at Glassburn Park in Williams, and invite the public free of charge to observe the Moon and other visible objects in the night sky

Directions for Williams

Location:Glassburn Park - in the natural area west of Rod’s Steakhouse parking lot.
Take I40 west. Exit 165 into Williams. The park is about 2-3 blocks after the hill, just past the edge of town on the right.

Contact: Barry 928-814-6367

April 12, 2019
May 10 2019
June 7, 2019
July 5, 2019
August 9 2019
Sept. 6, 2019
Oct. 4, 2019

Club Observing Nights: Nights are scheduled With CAS members David & Kris Frisk in Williams.

Location: CAS Dark Sky Site in Williams – Observing Sites


Calendar (continued)

Saturday, September 14, 2019
Dr. Andrew Odell, NAU


Title: “Serendipity in Science”

Scientific ideas sometimes include lucky coincidences and serendipity is occasionally cited as the key factor in making some scientific discoveries. But, the steps leading to new discoveries often tell a different story. It takes more than being in the right place, at the right time, to recognize a serendipitous discovery. It takes scientific perspective and understanding to look beyond an anomaly and see it as a possible breakthrough. Dr. Odell will be reviewing some of the more interesting ideas have been important to science.


Saturday, October 12, 2019
Tom Polakis, Astronomy Mag.


Title: “Time Lapse Astronomical Photography”

Tom Polakis is a prolific author on various astronomy topics whose interest dates back to his childhood in Michigan. Since the early 1990s he has contributed to Deep Sky, Sky & Telescope and especially Astronomy Magazines. He currently resides in Tempe, Az, but travels and observes around all of Arizona and recently has observed from Namibia, Africa. He has been involved with various aspects of astrophotography for several decades.


Saturday, November 16, 2019

CAS Member Activity Presentations

Theme: “Time Lapse Astronomical Photography”

Each year CAS members are active in the pursuit of their avocation of Astronomy. At this meeting 4-6 members will present 10-15 minute overviews of the activities and achievements they were involved in during the preceding year.


Saturday, December 7, 2019

Annual CAS Holiday Party

Open to CAS membership and invited friends
Details on location and time to be provided closer to the date




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