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Amateurs prepare big-picture perspective to support Juno mission

12 May 2016, 12:28 UTC
Amateurs prepare big-picture perspective to support Juno mission

Amateurs prepare big-picture perspective to support Juno mission
Some of the world’s leading amateur and professional astronomers are meeting on 12-13 May to prepare for a campaign of ground-based global observations in support of NASA’s Juno mission to Jupiter. Juno arrives on 4th July this year and will investigate Jupiter through a series of long elliptical orbits with close flybys of the giant planet. To put these observations into perspective and to understand Jupiter’s atmospheric dynamics, the Juno project on behalf of NASA has requested the collaboration of amateur astronomers back on Earth.  High-resolution observations obtained by amateur astronomers will allow Juno mission scientists to characterise the state and evolution of Jupiter’s atmosphere over the course of the mission, which is due to end in February 2018.
A workshop to coordinate ground-based support for Juno from amateurs is being held at the Observatoire de la Côte d’Azur in Nice, France, and organised as part of Europlanet 2020 Research Infrastructure’s networking activities.  The 29 participants include 13 planetary scientists and 16 amateur astronomers from 13 countries in Europe and around the world, including Romania, Slovenia, USA, Japan and the Philippines.
“The collaborative effort between Juno and amateurs is linked to JunoCam, the mission’s visual camera,” explained Ricardo Hueso, chair of the workshop’s scientific organising committee.  “JunoCam, JIRAM and MWR will obtain close up views in the visible, infrared and radio of Jupiter’s upper clouds over relatively small areas of the planet, some of them around the size of the atmospheric storms that we see as the oval features in Jupiter’s cloud bands. This opens an exciting opportunity for amateurs to provide a unique dataset that will be used to plan the high-resolution observations from JunoCam, and will advance our knowledge of the atmospheric dynamics of Jupiter.”
Juno is the first mission dedicated to Jupiter exploration since the Galileo mission in the 1990s. One of its primary goals is to study Jupiter’s gravitational field, inner structure and deep atmospheric composition in order to understand the origin and evolution of the planet.
Jupiter has the fastest rotation of any planet in our Solar System, with its day lasting less than 10 hours. Amateur astronomers at different locations around the globe are able to observe Jupiter continuously and monitor how events, such as storms or cloud stripes, evolve through the planet’s atmosphere. For nearly a decade, amateur astronomers collaborating from America, Europe and Asia have created high-resolution maps of Jupiter’s upper atmosphere, which are updated every few days. Over most of the 20 months of the Juno mission, the amateur contributors will observe the same areas of the planet repeatedly and obtain a long-term global view of changes in the atmosphere, such as the intensity of the winds and the activity of storms in the planet.
Christopher Go, a leading amateur astronomer from the Philippines, said, “I’ve been imaging Jupiter since 2004 and have worked for many years to develop collaborations between amateur and professional astronomers.  Amateurs have the advantage in that they don’t have to apply for telescope time, and the equipment now available means that we can make very high-quality observations. I am delighted that the amateur community has been invited to collaborate on Juno and excited at opportunity to make an important contribution to the mission.”
Glenn Orton from JPL, who is responsible for coordinating Juno observations with Earth-based observations of Jupiter’s atmosphere, said, “Amateur observations can provide continuous monitoring of the atmosphere, creating a fluid documentation of the evolution of atmospheric features. This is particularly important during the active-mission phase because Juno’s remote-sensing observations will cover all latitudes from pole to pole, but they will be confined to narrow strips of longitude, except close to the poles themselves.”
Images

Scientists expect to characterize the state of Jupiter’s atmosphere from high-resolution observations obtained by amateur astronomers. By comparing images of Jupiter obtained from different locations on Earth over time, they can observe the same areas of the planet repeatedly and obtain information such as the intensity of the winds and the activity of storms in the planet. The image on the left was obtained using a 40 cm diameter telescope and a fast black and white camera equipped with colour filters by Damian Peach during a trip to Barbados. The image on the right was obtained by Christopher Go from the Philippines using similar equipment. Credit: D. Peach/C. Go
 
Amateur astronomers regularly analyze their own observations and many participate in studies of the atmosphere of Jupiter. This image shows a nearly full map of Jupiter compiled by the Italian amateur astronomer, Marco Vedovato, from observations obtained by Tiziano Olivetti in Thailand, Christopher Go in the Philippines, and Alexei Pace in Malta. Full maps like this are only possible through the collaboration from observers around the world. The composition of these images by other amateurs like Marco Vedovato helps scientists in their effort to characterize the dynamic atmosphere of Jupiter. Credit: M. Vedovato/T. Olivetti/C. Go/A. Pace
Science Contacts
Ricardo Hueso Alonso
Escuela Técnica Superior de Ingeniería
Universidad del País Vasco/Euskal Herriko Unibertsitatea
Bilbao
+ 34 94601 4262
ricardo.hueso@ehu.eus
Media Contact
Anita Heward
Europlanet Media Centre
Tel: +44 7756 034243
anita.heward@europlanet-eu.org
About Juno
JPL manages the Juno mission for the principal investigator, Dr. Scott Bolton, of Southwest Research Institute in San Antonio. The Juno mission is part of the New Frontiers Program managed by NASA’s Marshall Space Flight Center in Huntsville, Alabama for the agency’s Science Mission Directorate. Lockheed Martin Space Systems, in Denver, built the spacecraft. JPL is a division of the California Institute of Technology in Pasadena.
More information about the Juno mission is available at:
http://www.nasa.gov/juno
About Europlanet
Since 2005, Europlanet has provided Europe’s planetary science community with a platform to exchange ideas and personnel, share research tools, data and facilities, define key science goals for the future, and engage stakeholders, policy makers and European citizens with planetary science.
The Europlanet 2020 Research Infrastructure (RI) has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 654208 to provide access to state-of-the-art research facilities across the European Research Area and a mechanism to coordinate Europe’s planetary science community. The project builds on a €2 million Framework 6 Coordination Action and €6 million Framework 7 Research Infrastructure funded by the European Commission.  The Europlanet collegial organisation, linked by a Memorandum of Understanding (MoU), has a membership of over 70 research institutes and companies.
Europlanet project website: www.europlanet-2020-ri.eu
Europlanet outreach website: www.europlanet-eu.org
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