andromeda galaxy and red sprites
© Petr Horálek / spaceweather.comSprite And Andromeda Galaxy Taken by Petr Horálek on June 11, 2018 @ Proseč, Czech Republic
Following a particularly brutal and prolonged winter, Europe is now experiencing an unusually stormy spring period, with epic flooding and damaging hail being documented over the continent. Lightning frequency appears to be increasing too, with France doubling its 2009 record for the month of May, while January 2018 saw some areas of France double average rainfalls.

Accompanying these unusually intense spring storms, typical of late summer, have been 'rare' atmospheric electrical discharges. Red sprites were photographed over the Czech Republic on April 4th, in the US on May 24th and May 30th, and again in the Czech Republic on June 8th. Over a period of 48 hours or so around June 10th, the more elusive blue jet was seen over Hungary:

blue jet hungary June 10th 2018
© Dániel Agocs / IdokepA blue jet photographed by Dániel Agocs, from Kunhegyes, Hungary.

Another outburst of red sprites was photoed above the Czech Republic on June 11th:

red sprites andromeda June 11 2018
Sprite And Andromeda Galaxy Taken by Petr Horálek on June 11, 2018 @ Proseč, Czech Republic
Photographer Petr Horálek, who captured the most recent image of red sprites over Czech Republic, comments on
The stormy weather over Europe in recent days is perfectly favorable for capturing upper atmosphere lightning, called red spites. Despite short nights over the Czech Republic (due to summer solstice season) I was finally lucky last night, on 11th June 2018 after midnight. This red sprite occured most likely over large thunderstorm located east from Polland city Czestochowa, about 300 km from my observation site of Proseč, Czech Republic. As a bonus, a faint meteor fell in the view during the exposure directed to both Andromeda and Pegasus constellations, with the bright Andromeda galaxy in the left upper corner of the shot. Now I just hope for another great thunderstorms around to get even better closer "spritening" on my camera :) Used Canon 6D Baader IR modified, Takumar 50 mm, f1.4, ISO 5000, 5s exposure from tripod.
Red sprites, only formally acknowledged since 1989, are considered 'rare'. And, if they're expected at all, it's during summertime. So their appearance in spring on multiple occasions and locations is notable. Blue jets are considered even rarer, having first been photographed in 1989, and with less than a hundred images captured up to 2007.

For more, see: Also check out SOTT's monthly documentary: SOTT Earth Changes Summary - April 2018: Extreme Weather, Planetary Upheaval, Meteor Fireballs