Building the New Horizons LORRI Imager: A 20 cm Ritchey-Chretien for Pluto
Ever wonder how instruments used on spacecraft are built? Steve Conard, lead engineer for the New Horizons LORRI (LOng Range Reconnaissance Imager) instrument, will make a presentation on how LORRI was fabricated and tested. He will also give general background information on the New Horizons missions to Pluto, and show images collected during the flyby of Jupiter in 2007. Meeting starts at 6:45 pm.
Real Time Spectroscopy (Rspec)
This will be a Video Lecture from Tom Field in Seattle.
A colorful spectrum can rightly be called a “fingerprint of a star.” Spectra reveal the composition, temperature, and movement of stars. In the past, only professionals had the skill and equipment to study spectra. Recently, the cost and complexity of the necessary hardware and software has dropped enormously. Today, you can easily study the spectra of stars and planets with a minimum of expense. If you have a telescope and a CCD camera (even a webcam or DSLR), then all you need is an inexpensive Star Analyser grating and the RSpec software. It’s an exciting pursuit. We invite you to join the growing number of amateur astronomers who have discovered the thrilling adventure of spectroscopy!
Dr. Ed Murphy will be our speaker this month to our annual Heidi Winter Lecture. We will meet at the NRAO building down the hill from McCormick Observatory at 7 pm. Directions. This will also be the Charlottesville Astronomical Society’s December meeting.
My topic will be “The Winter Sky” in honor of Heidi. Heidi loved going outside and seeing the constellations and hearing their stories, so my presentation will be a tour of the winter constellations, their mythology, star names, and some of the interesting objects to see in the sky this winter. I will include an update on Comet ISON.
For the World has Hollows, and I have Touched the Ice – The Greatest, Latest MESSENGER Findings on Mercury
Join MESSENGER team member Mark ‘Indy’ Kochte as he takes you on a journey to one of the most elusive bodies in our Solar System, where not even the vaunted Hubble Space Telescope can peer.
On March 18, 2011, space exploration history was made when the MESSENGER spacecraft became the first probe from Earth to go into orbit around Mercury. Since that time, it has taken more than 170,000 images and made millions of spectra observations. From all this more has been learned about our solar system’s innermost world than had been dreamed to ask at the onset of the mission. From newly seen impact basins to the surprising status of the magnetic field, from the make up of the exosphere to the verification of water ice at the poles and to the discovery of geologic features not found on any other body in the solar system, MESSENGER’s discoveries at Mercury have reshaped the theories planetary geologists have had on the origins of the solar system’s littlest planet (as an aside, Pluto is king of a whole separate category of objects).
Greg Brown, the Education and Space Settlement Representative for the Mars Foundation will be presenting a lecture on the Mars’ Hillside Settlement at UVa’s McCormick Observatory on Feb. 5, 2014 starting at 6:45 pm.
Charlottesville Astronomy Society members are invited to attend a Perseid Meteor Shower Watch this Sunday, August 11, 2013 from 9:00 to 1:00 am with Ed Murphy and the Friends of McCormick Observatory. Gate to open at 8 pm. Bring your telescope if you like!
Star Formation through Radio Eyes: Probing Magnetic Fields with CARMA
How do stars form? How can we use radio waves to probe the origins of stars within their cold, dusty natal clouds? And how do magnetic fields affect the star-formation process? Come and find out how I use CARMA, a millimeter-wave radio telescope in the Eastern Sierras, to find answers to these questions. I will begin by discussing the basics of radio astronomy, radio telescopes, and star formation. I will then talk about the research I’ve been doing on polarization and magnetic fields in forming stars, using the dual-polarization receiver system that I helped install and commission at CARMA.
Chat Hull is a fifth-year graduate student in the UC Berkeley Department of Astronomy. He hails from Penn Yan, NY, a small town about an hour south of Rochester, in the western part of the state. In 2006, he graduated from the University of Virginia with a B.S. in physics, shortly after giving his first-ever public lecture to the Charlottesville Astronomical Society in November, 2005! After graduating he taught for two years in two different high schools: first at Woodberry Forest, an all-male boarding high school (which he attended) about an hour north of Charlottesville, teaching AP and freshman physics; and next at the Centro Comunitario de Educacion Yinhatil Nab’en, a middle and high school in the Mayan highland town of San Mateo Ixtatán, Guatemala, where he taught math, physics, and music. In 2008 he moved out to Berkeley to begin his graduate studies, and since then has taken great pleasure being a part of UC Berkeley’s vibrant radio astronomy community, where he has learned the ins and outs not only of star formation, but also of radio astronomy theory and instrumentation.
“Three Coordinate Systems for Astronomers: How we got them, and how you can use them to find things in the sky.”
CAS Member and Treasurer Ed Preston will be our speaker this month.
University of Virginia Microfabrication Lab and ALMA
Our speaker this month, Arthur Lichtenberger received the B.A. degree in Physics from Amherst College in 1980, and the M.S. and Ph.D. degrees in Electrical Engineering in 1985 and 1987 respectively from the University of Virginia. Dr Lichtenberger has served on the faculty since 1987 and is presently Director of the UNIVERSITY of VIRGINIA MICROFABRICATION LABORATORY UVML. He has published over 55 technical articles and is a member of the International Union of Radio Science, Eta Kappa Nu, Sigma Xi, and Tau Beta Pi.
The Northern Virginia Astronomy Club (NOVAC) will be hosting the 2013 annual meeting of the Virginia Association of Astronomical Societies (VAAS) this fall. It will be held on Saturday October 5th at C. M. Crockett Park near Warrenton, VA and will coincide with our big fall public Star Gaze event there. This will be a free event for all members of the invited astronomy clubs.
The VAAS portion of the day will begin early at 8:30 AM. After a light breakfast for attendees, we will have several presentations in our large tent running up to a catered lunch around noon. During the daylight hours members can enjoy safe solar viewing and at night you can set up your equipment by your cars on the large observing field. VAAS attendees are welcome to stay for our afternoon to evening Star Gaze beginning at 3 PM when we will have more presentations and demonstrations.
This is just a preliminary note to confirm contact information for the member clubs to make sure we can reach you when the formal invitations are sent out next month. I would appreciate it if you would reply back to me so that I have an idea of what is working and what isn’t. Please also let me know of any updated contact information about your club that you think would be useful.
As mentioned, I will be sending out invitations to all the clubs next month. That will provide links to our web site where you can register for the event. As mentioned, this is a free event but registration will help us get a better idea of the expected numbers when planning how to feed the masses!
VAAS & Star Gaze 2013 Coordinator
“Thomas Jefferson: His Interest in Astronomy in His Own Words.”
Presented by Dr. Edward Murphy, Associate Professor, UVA Astronomy Department
Thomas Jefferson was an avid astronomer. He conducted observations at Monticello and corresponded with many of the most important astronomers of his day. For the University of Virginia, he include astronomy in the early curriculum, he drew up plans for a permanent observatory, which would have been the first in the western hemisphere, and he proposed painting the night sky on the inside of the Rotunda Dome. In this talk, I will discuss Thomas Jefferson’s interest in astronomy and how it influenced the study of astronomy at the University of Astronomy since its founding.
“Observing at Steward Observatory’s 90″ Bok Telescope on Kitt Peak”
David Whelan, Doctoral Candidate, UVA Astronomy Department
I’ll give you the low down on what it’s like to observe for six nights running in the “bleak midwinter” (a.k.a. the longest nights of the year). The Bok telescope is a world-class, 2.3-meter reflecting telescope on the top of Kitt Peak. Situated in the saddle between two rises, it experiences straight winds across the desert in laminar flow and, therefore, excellent seeing. I’ll show some pictures of the telescope, the instrument I’m using, and then show off some cool science pictures, along with a brief description of what we are investigating.
Paul Martini – Visiting Professor from Ohio State
Clusters of galaxies have an extraordinarily large number of galaxies in a small region of space. I will describe how these galaxies are different from those found elsewhere in the universe, as well as how the environment of clusters may shape their evolution.
“Mirror & Lens”
Our Speaker this Month – John (pre-Galilean) Avellone, CAS Member
An inquiry concerning the design & performance of possible 16th century (pre-Galilean) telescopes.
Bill Phillips, CAS Member
We are going to talk about the basic optical principles that come into play when you use a telescope, including, most importantly, the optics of your eye. We will also cover the basic types of telescopes available today and the pros and cons of each. Lastly we will look at the process of imaging with a CCD camera, and how it leads to demands on the optical system that differ from a visual telescope. Fortunately there are some scope designs that do both jobs well.
Special Meeting at the John C. Wells Planetarium at James Madison University, Harrisonburg, VA
Shanil Virani – director of the John C. Wells Planetarium at James Madison will be our host.
Shanil will provide an overview of the facility, a full dome video and a star talk using the planetarium skyball. See planetarium website for details and directions. 2 pm to 4:30-5:00 pm.
The Early History of the McCormick Observatory as Recorded in the News
CAS Member Wes Epperly
A summary and timeline of newspaper articles from the 1870′s and 1880′s about McCormick Observatory, and other significant events of the time.
“Evolution Isn’t Just For Australopithecines -or- How to Blow Up a Star in One Easy Lesson” presented by Richard Drumm
The talk touches on the evolution of stars of various masses, low (up to ~ 4SM), medium (4-8 SM) & high (>8SM). The talk is mainly about Type II core collapse supernovae.
Rich is the current Vice-President and former President of the Charlottesville Astronomical Society.
Our August meeting guest speaker will be UVA Graduate Research Assistant Meredith Elrod. Meredith’s topic will be “Saturn’s Magnetosphere, Rings, and Moons”.
Start time is 6:45 pm.
Normally our monthly meetings occur on the first Wednesday of every month at McCormick Observatory starting a 6:45 pm. This month the meeting was moved to the second Wednesday to accommodate other University of Virginia scheduling.