A White Mountian

It was not in the forecast. But It came anyway. The night crew abandoned the summit around 3am in the face of ice and snow.

Summit webcams show an increasingly white mountain this morning. Given the numbers in the met data, it is not going to stop anytime soon. Temperatures of well below freezing, -6°C (20°F) and 100% humidity tell the tale of continuing snow.

No sign that our holiday crew has made it to the summit as of yet. I expect them to make an attempt, even if they stay just an hour or two to perform those few tasks that must be done each day. Not much problem for me, a snowy weekend makes for a quiet weekend on-call.

Keck Camera #2
Accumulating snow in front of Keck, 18Feb2013

Mauna Kea Claims Another…

The mountain claimed another vehicle this afternoon.

A rented Nissan Altima parked at the Hoku Kea telescope rolled off the ridge, a steep cinder slope about 400ft high. Fortunately neither passenger was hurt, the woman in the passenger seat exited the vehicle when it began rolling, her companion was already out. Witnesses describe the vehicle rolling several times as it descended the slope.

Now the Mauna Kea Rangers have the unenviable task of removing the vehicle and cleaning up the mess. The rangers report indicates that the vehicle does not appear to be leaking any fluids. Hopefully the vehicle can be removed without further damage to the summit. OMKM’s Natural Resources Manager and an entomologist are being consulted before removal.

Just another reminder to take our mountain seriously…

Mauna Kea Wreck
Wreck of a Nissan Altima that rolled off the summit ridge of Mauna Kea, photo by Shane Fox, used with permission
Mauna Kea Wreck
Location of a vehicle that rolled off the summit ridge of Mauna Kea, photo by Shane Fox, used with permission

A Video Project

Trying to finish up a new video project for Keck Week. As one would guess, the video features the history of Keck. Looking for material has been a great excuse to dig through the Keck archives. Through the expertise of our staff librarian, Peggi Kamisato, I have pursued hundreds of photos and other material from the history of these great telescopes. Turning page after page of photos albums from the construction of the two telescopes, thumbing through observing log #1 to read the notes from those first nights of science observations. I have a new appreciation for the history of this place.

Not all of this material can make it into the video. Some of the best can, hopefully resulting in a worthwhile result. Just a teaser for today, one of the photos from construction that did not make the cut. What about the video? Come to Keck Week and see the premiere!

Keck 1 Construction 1987
Construction of the Keck 1 Telescope circa 1987, photo by Tom Wynne

Mercury at Maximum Elongation

Today Mercury reaches maximum elongation, the furthest point it will reach from the Sun in the sky and the highest it will be above the sunset for this evening apparition. The planet is easily visible as a bright, starlike object about 18° above the setting Sun as twilight begins. Over the next couple weeks Mercury will slide back into the sunset, heading for inferior conjunction on March 4th.

Continue reading “Mercury at Maximum Elongation”

Meteor Airbursts over Chelyabinsk

A good sized meteor has airburst over the city of Chelyabinsk, Russia. There are reports of injuries and damage, but how much is unclear right now. Give it a day and we will probably have a good idea of the scale of this event, and probably fragments of the meteor itself.

A lot of vehicles in Russia carry dashcams, and videos of the event are rapidly showing up on YouTube. It is quite spectacular, the bright fireball saturating the closer cameras.

I have seen meteoric airbursts, but nothing on this scale. It is impressive, and a bit scary to be reminded that this can happen. This even almost certainly has nothing to do with the close approach of asteroid 2012 DA14 tomorrow, but I am sure some people will make a connection. The conspiracy theorists will probably go further, perhaps much further, it should make amusing reading.

Update: A link to a collection of videos and photos of the damage here. Midway down is a vid from a warehouse security camera of a loading bay door blown inwards by the blast wave.

A dashcam video of a meteor airburst over Chelyabinsk
Warehouse loading bay door blown inwards by meteor blast wave

Employment Opportunity at Keck – Electronics Engineer

W. M. Keck Observatory position announcement

Fisheye Keck 1
The Keck 1 Telescope awaiting lights out and release for the night
W. M. Keck Observatory has an immediate opening for an Electronics Engineer to design and implement major upgrades to the various telescope control systems, add new capabilities and integrate state of the art instruments.

Responsibilities

  • Provide electronic engineering expertise to support upgrades and new development projects
  • Participate in system level specifications, develop hardware specifications, interface control documents, and lifecycle design documents
  • Write, analyze and document test plans, conduct design tests and evaluate results
  • Generate and maintain production documentation, including schematics, wire diagrams, assembly drawings, data sheets, manuals, and project notebooks
  • Support project managers by providing and maintaining accurate cost and labor estimates and Bills of Material. Help to maintain project plans through good communication
  • Coordinate the electronic interfacing of new instrumentation;
  • Direct the efforts of associate engineers and technicians, coordinate and schedule engineering activities
  • Assist in the investigation of chronic performance and reliability problems in existing systems and develop and implement solutions to resolve these problems.

Qualifications

  • Bachelor of Science in Electrical Engineering or equivalent
  • Three or more years of applicable work experience, preferably in a team environment
  • Working knowledge of AC and DC electronics theory
  • Experience in analog and digital electronics, computer interface electronics, and real-time control systems
  • Understanding of grounding, shielding, and electrical safety
  • Experience with schematic capture, PCB design and layout
  • Experience in the design, debug, simulation and validation of electronic circuits and products
  • Skilled user of test and analysis equipment including oscilloscopes, logic analyzers, bus analyzers, cable and fiber optic test equipment, power measuring equipment, and signal generators
  • Experience planning and implementing PLC based solutions including I/O selection, communication and programming (Rockwell/AB ControlLogix and RSLogix); experience with National Instruments RIO and LabVIEW FPGA; use of PADS, E3 Wireworks (Zuken), SolidWorks; and experience with programmable multiple axes motion controllers such as DeltaTau PMAC or Galil would be a plus

The W. M. Keck Observatory operates the largest, most scientifically productive telescopes on Earth. The two, 10-meter optical/infrared telescopes on the summit of Mauna Kea on the Island of Hawaii feature a suite of advanced instruments including imagers, multi-object spectrographs, high-resolution spectrographs, integral-field spectroscopy and a world-leading laser guide star adaptive optics system. The Observatory is a private 501(c) 3 non-profit organization and a scientific partnership of the California Institute of Technology, the University of California and NASA.

To learn more about this position and to apply, go to: www.keckobservatory.iapplicants.com

Equal Opportunity Employer