Société Astronomique de France
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A giant thunderstorm on Saturn
Observations of a giant thunderstorm at planetocentric latitude 35° north that reached a latitudinal extension of 10,000 kilometres about three weeks after it started in early December 2010, which developed an elongated eastward tail with additional but weaker storm cells that wrapped around the whole planet by February 2011.
An extremely high-altitude plume seen at Mars’ morning terminator
Two bright, extremely high-altitude plumes at the Martian terminator at 200 to 250 kilometres or more above the surface, and thus well into the ionosphere and the exosphere, are reported, defy current understanding of Mars’ upper atmosphere.
The Onset and Growth of the 2018 Martian Global Dust Storm
- A. S'anchez-Lavega, T. D. R'io-Gaztelurrutia, J. Hern'andez-Bernal, Marc Delcroix
- Physics, Environmental ScienceGeophysical Research Letters
- 3 June 2019
We analyze the onset and initial expansion of the 2018 Martian Global Dust Storm (GDS 2018) using ground‐based images in the visual range. This is the first case of a confirmed GDS initiating in the…
Ground-based observations of the long-term evolution and death of Saturn's 2010 Great White Spot
Impact flux on Jupiter: From superbolides to large-scale collisions
Context. Regular observations of Jupiter by a large number of amateur astronomers have resulted in the serendipitous discovery of short bright flashes in its atmosphere, which have been proposed as…
Analysis of Neptune’s 2017 bright equatorial storm
The PHEMU15 catalogue and astrometric results of the Jupiter's Galilean satellite mutual occultation and eclipse observations made in 2014-2015
During the 2014-2015 mutual events season, the Institut de Mecanique Celeste et de Calcul desEphemerides (IMCCE), Paris, France, and the Sternberg Astronomical Institute (SAI), Moscow, Russia, led an…
Instrumental methods for professional and amateur collaborations in planetary astronomy
Amateur contributions to professional publications have increased exponentially over the last decades in the field of planetary astronomy. Here we review the different domains of the field in which…
The PHEMU09 catalogue and astrometric results of the observations of the mutual occultations and eclipses of the Galilean satellites of Jupiter made in 2009
Context. In 2009, the Sun and the Earth passed through the equatorial plane of Jupiter and therefore the orbital planes of its main satellites. It was the equinox on Jupiter. This occurrence made…