General Meeting

Next TAAA Monthly Meeting: Friday, January 3, 2025

TAAA’s next general member meeting will be held on Friday, January 3, 2025. The Main Presentation will start at 6:30 P.M. This will be a hybrid meeting (both in person and on social media). TAAA members will receive a Zoom link should they wish to attend remotely. The public may attend in person or public streaming is available at https://www.youtube.com/@tucsonamateurastronomy. It will be posted to YouTube afterwards.
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Astronomy Fundamentals Meeting

Next (ONLINE):  Thursday, January 9, 2025

6:30 – 8:00 PM

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Come join us for a presentation from the fundamentals of amateur astronomy. Learn your way around the night sky to add to your observing enjoyment. Meetings are on the second Thursday of each month. You can find our past recordings on the Club’s YouTube channel https://www.youtube.com/playlist?list=PLXbeCAsGDdSZlqE0IAEUBmZxvmCUJi5Tr

Contact:  Connor Justice

Email:   fundamentals[at]tucsonastronomy.org

Previous:  Thursday, December 12, 2024

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HYBRID – General Meeting – January 2025

January 3, 2025 @ 6:30 pm 8:00 pm

Presentation:  The Vatican Observatory in Arizona

This talk’s title may seem an odd juxtaposition of words, until Father Christopher Corbally runs through the 440-year history of the Vatican Observatory. Learn about the Papacy’s long-standing interest and support for astronomical research, including Pope Leo XIII ‘s 1891 formal refounding of an earlier papal observatory into The Vatican Observatory in Vatican City. In 1935, with urban growth brightening Rome’s sky too much, the Observatory was officially moved to the Papal Summer Residence at Castel Gandolfo, southeast of Rome. But Rome’s population kept growing, making the skies above the Observatory still too bright. In 1981, the Observatory founded the Vatican Observatory Research Group (VORG) in Tucson. Father Corbally will discuss how VORG has grown, including its construction in collaboration with Steward Observatory of the Vatican Advanced Technology Telescope (VATT) on Mt. Graham, AZ. The VATT, now 31 years old, recently became robotic. Father Corbally will explore the new era of observations this update can bring.

Bio: Father Christopher Corbally is a Jesuit priest and research astronomer. Born near London, England, he entered the Society of Jesus (Jesuits) in 1963, and holds degrees in philosophy (Licentiate 1968, Heythrop College, a Pontifical Academy in England), physics (B.Sc. 1971, U of Bristol, England), astronomy (M.Sc. 1972, U of Sussex), and theology (B.A. 1976, Heythrop College, London Univ., with a Pastoral Diploma in 1977). In 1983, he obtained a PhD in astronomy at the University of Toronto (Canada). Since then, Father Corbally has been based at the Vatican Observatory Research Group, UA, where he was its Vice Director until 2012. His primary interest is probing the personalities of stars via their spectra, and with an anthropologist-biologist colleague, investigating the challenges to humans of traveling and living in space.

Caption: Father Corbally at Vatican Advanced Technology Telescope (VATT)
Credit: Vatican Observatory

Mae Smith, TAAA President

Steward Observatory Lecture Hall (Room N210)

933 N Cherry Ave
Tucson, AZ 85721 United States

Planets of the Month: December 2024

By Erich Karkoschka

Venus is setting more than three hours after the sun. It is high at sunset in the south/southwest, not around the west as usual.

Saturn transits at dusk. Its rings will be going edge-on within three months.

Jupiter gets into opposition on the 7th at magnitude -2.8 and diameter 48 arc-seconds. It is getting closer to Aldebaran. Ganymede (largest Jupiter moon) and its nearby shadow transit Jupiter’s disk on the 15th from 7-10 pm Arizona time and then on the 22nd after 10 pm.

Mars is approaching its January 15 opposition at magnitude -1.2 and 14 arc-seconds diameter. On the 7th Mars is stationary only 2 degrees from the Beehive cluster. It is moving towards Pollux again.

Uranus and Neptune are evening objects between Jupiter and Saturn. Uranus is near the Pleiades.

Mercury becomes a dawn object starting on the 12th, visible 6-7 am. Around the 24th, it is visible as well as it ever gets from Arizona’s latitude. It is moving above Antares that is less obvious.

The minor planet (15) Eunomia comes into opposition on the 14th in Auriga, a binocular object at magnitude 8. It transits 89 degrees high.

The Moon makes a very close approach to Mars on the 17th around 2:30 am, 17 arc-minutes from the lunar limb. After the New Moon at the end of the year, it shows its thin crescent on the first day of 2025. Two days later it makes a bright pair with Venus.

The Geminid meteor shower peaks on the 13th.

Sunsets are already getting later. The Winter Solstice is December 21st.

Stargazing at Saguaro NP – East

January 31, 2025 @ 7:00 pm 9:00 pm

Star Party – Saguaro National Park – East
3693 S Old Spanish Trail
Tucson, AZ 85730

Great dark skies on the East side of Tucson at Saguaro National Park – East.
Star Party is open to the Public. Event is free but NPS admission fees apply.

The Tucson Amateur Astronomy Association will have several telescopes for astronomical viewing. We will observe Planets, Nebulae, Galaxies, Star Clusters and lots more.
Great opportunity to look through a variety of telescopes.

Weather dependent. For real-time updates, follow this event on the Tucson Amateur Astronomy Association Facebook Events Page: Tucson Amateur Astronomy Association | Facebook

Bernie Stinger

612-396-8839

Steward Observatory Lecture Hall (Room N210)

933 N Cherry Ave
Tucson, AZ 85721 United States

Stargazing at Catalina State Park

January 25, 2025 @ 6:30 pm 8:30 pm

Star Party at Catalina State Park – Tucson, AZ
Viewing Location: Trailhead Picnic area at end of road inside the park.
Great dark skies just north of Tucson at Catalina State Park.
Star Party open to the Public.  Admission fee for entrance into Catalina State Park.

Tucson Amateur Astronomy Association will have approximately 10 telescopes for astronomical viewing.
We will observe Planets, Nebulae, Galaxies, Star Clusters and lots more.  Great opportunity to look through a wide variety of telescopes.

Weather dependent.  For real-time updates, follow this event on the Tucson Amateur Astronomy Association Facebook Events Page ((4) Tucson Amateur Astronomy Association | Facebook).

Additional details will be posted here and on Facebook as we get closer to the event.

Bernie Stinger

612-396-8839

Steward Observatory Lecture Hall (Room N210)

933 N Cherry Ave
Tucson, AZ 85721 United States

Stargazing at Agua Caliente Park

January 17, 2025 @ 6:30 pm 9:30 pm

Viewing Location:  Bus Lanes @ North end of Parking Lot
Information: Great dark skies in Northeast Tucson.  Star Party open to the Public.  Cost: FREE.

Tucson Amateur Astronomy Association will have several telescopes for astronomical viewing.  We will observe Planets, Nebulae, Galaxies, Star Clusters and lots more.  Great opportunity to look through a variety of telescopes.

Park gate may close before event end time, so arrive as close to start time as possible. Weather dependent.
For real-time updates, follow this event on the Tucson Amateur Astronomy Association Facebook Events Page: ((4) Tucson Amateur Astronomy Association | Facebook)

FREE but REGISTRATION IS REQUIRED. go to: https://bit.ly/ticketsEE
These events fill up fast so recommend registering early.

Bernie Stinger

612-396-8839

Steward Observatory Lecture Hall (Room N210)

933 N Cherry Ave
Tucson, AZ 85721 United States

Stargazing at Saguaro NP – West

January 17, 2025 @ 6:30 pm 9:00 pm

TAAA invites you to an evening of star gazing at Saguaro National Park – West
Located on the far West side of town on the other side of the Tucson mountains, this location has very dark skies from horizon to horizon. The park has been designated an Urban Night Sky Park in 2023.

The TAAA will have several Telescopes set up to view Stars, Nebula’s, Galaxies, Planets and more starting at 6:30pm! Telescopes will be arranged around the entrance walkway.

Introductory talks will be given starting at 5pm by the National Park Service (NPS), DarkSky International, and NOIRLab (Kitt Peak), prior to telescope viewing. Park staff will guide visitors on short walks through the Javelina Wash to discuss the night sky, and they are also hoping to include Indigenous storytelling

The stargazing event is free and open to the public, but NPS admission fees apply.
WEATHER DEPENDENT.  Follow the event on our Facebook page for any weather updates or changes:

(4) Tucson Amateur Astronomy Association | Facebook

Bernie Stinger

612-396-8839

Steward Observatory Lecture Hall (Room N210)

933 N Cherry Ave
Tucson, AZ 85721 United States
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Stargazing at Oracle State Park

January 4, 2025 @ 6:30 pm 8:30 pm

Viewing Location: Kannally Ranch House 

  • Star Party telescope viewing (6:30 – 8:30pm)

Information: Great dark skies just north of Tucson at Oracle State Park.
3820 E Wildlife Dr., Oracle, AZ 85623
Star Party open to the Public. Admission fees for entrance into Oracle State Park apply.

Tucson Amateur Astronomy Association will have several telescopes for astronomical viewing. We will be observing the Moon + Planets, Nebulae, Galaxies, and Star Clusters.
Great opportunity to look through a wide variety of telescopes. Weather dependent.

For real-time updates, follow this event on the Tucson Amateur Astronomy Association Facebook event page:  TAAA Facebook Events page

Also: Check the Oracle State Park website for additional information and activities that day:
Star Party at Oracle State Park | Oracle State Park (azstateparks.com)

Bernie Stinger

612-396-8839

Steward Observatory Lecture Hall (Room N210)

933 N Cherry Ave
Tucson, AZ 85721 United States

Stargazing at Tucson Mountain Park – Juan Santa Cruz Picnic Area

December 21 @ 6:30 pm 8:30 pm

Star Party @ Tucson Mountain Park – Juan Santa Cruz Picnic Area
Tucson, AZ (right next to Sonoran Desert Museum)

Viewing Location: Small side loop on East side of main loop.
Information: Great dark skies in Western Tucson.  Star Party open to the Public.  Cost: FREE.

Tucson Amateur Astronomy Association will have several telescopes for astronomical viewing.  We will observe Planets, Nebulae, Galaxies, Star Clusters and lots more.  Great opportunity to look through a variety of telescopes.  Weather dependent.
For real-time updates, follow this event on the Tucson Amateur Astronomy Association Facebook Events Page: TAAA Facebook Events page

Event is FREE but REGISTRATION IS REQUIRED. Go to this link to register:  https://bit.ly/ticketsEE
These events may fill up early.

Bernie Stinger

612-396-8839

Steward Observatory Lecture Hall (Room N210)

933 N Cherry Ave
Tucson, AZ 85721 United States