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A cat between the pigeons

The appearance of sunspot region NOAA 2749 ended a 27 day stretch of spotless days.

A new Topical Issue for the SWSC Journal

The Journal of Space Weather and Space Climate (JSWSC) has opened a new Topical Issue entitled "Space climate: The past and future of solar activity".

The magnificent "7"

A recurrent coronal hole shaped as the number "7" was associated with very high wind speeds up to 750 km/s, resulting in unusually high numbers of energetic electrons in the earth environment.

Deep is the minimum...

A new long spotless stretch, very low observed values of the solar radio flux, and very high values for the cosmic rays flux: Clearly we are walking through the valley of the solar cycle minimum.

Anne

Still in complete awe, we have to bring terrible news: Anne Vandersyppe, our Anne, died on July 31, 2019.

Are we there yet?...

A comparison of the current monthly solar radio flux values with those from previous solar cycle transits suggests that the next solar cycle minimum may take place during the summer of 2019.

Fair space weather for the Apollo 11 mission

Evaluating the solar and geomagnetic activity during the 16-24 July 1969 flight of Apollo 11, it becomes clear that space weather conditions were favorable to this historical mission to the Moon.

Agora: a new supplement for JSWSC

The Journal of Space Weather and Space Climate announces the launch of a new supplement titled "Agora". The Agora will be the place for the space weather community to discuss, evaluate and distribute non-traditional scientific output in the field of space science and space climate.

Topical Collection for Solar Physics: "Ten Years of Solar Observations with PROBA2"

We solicit manuscripts on this general subject for inclusion in a Topical Collection of the journal Solar Physics. The deadline for submission of statements of interest is 13 September 2019; and the deadline for manuscript submission is 2 November 2019.

Treasures from the past - precursors for solar physics

Solar physics at the ROB has deep roots going back as far as the late 19th century. It involved a first promising era of solar studies, owing to Dr Eugène Jean Hubert Spée, followed by a 33-year long hiatus.

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