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The latest reports of activity should appear here. This will typically be reports of atmospheric activity on different planets. They will be uploaded by the system administrator. If you want to upload a report please e-mail it to pvol@ehu.es

Intense changes in Jupiter's long lived North Tropical Oval (WZ)


The Jupiter outbreak in the North Temperate Belt (NTB) that started in October 2016 has severely modified the aspect of the long lived North Tropical Oval called WZ. This oval formed from the merger of two other smaller ovals in 2012 (one of them present since 2008), and has experienced interesting color changes from white to red and back to white during its history.

Observations obtained at the Pic Du Midi on November 2 show the latest images of this oval at the time of its interaction with the outbreak in the North Temperate Belt. The latest maps of the planet from January 30 compiled by Marco Vedovado shows this feature with low contrast and is only apparent in the higher resolution images. The oval, is still present in the atmosphere with a different coloration, cloud morphology and size as this image from Phil Miles shows. We urge continuous observations in particular in blue, violet and ultraviolet and in the 890nm methane absorption band to characterize its color and constraint the altitude of the remains of this oval.

Jupiter: Outbreak in the SEB


Jupiter observations by Phil Miles show the development of a convective outbreak within Jupiter's South Equatorial Belt (SEB). The SEB is currently in a "non-Fade" stage. This source has erupted on a "whitish" spot according to previous images by Tiziano Olivetti on December 23. The convective source is at B" -16º and 301º (III). It is important to track its evolution, i. e. if it develops into a planetary-scale disturbance or if it is just dispersed by the horizontal wind shear.

2017-01-07: A first report of this activity is now available at the BAA thanks to John Rogers:


Jupiter outbreak in the NTB


John Rogers from the British Astronomical Association has compiled a first report on the current activity on Jupiter. The report is posted on the BAA Jupiter Section web pages at: https://www.britastro.org/node/8102