Sprite halo and small sprites - a photo on Flickriver

This red disk-shaped phenomenon, is another member of the TLEs (Transient Luminous Events, happening in the middle and upper atmosphere, above thunderstorms) family and is called sprite halo. Under it, there is a group of, relatively small, sprites. Sprite halo is short-lived (some ms) and its color comes from the same physical process as in red sprites (de-excitation of 1st positive group of mol. nitrogen). Halos appear close to sprite tops (alt. ~80-85 km), over active thunderstorms, like sprites. Sprite halos are usually triggered by -CGs, in contrast to sprites which are related to +CGs (99%). There is also a faint stripe of high clouds in front of the halo. The yellow light is a distant ship.

The event happened over the thunderstorms south of Crete (on the east side of the Medicane on 28/10) as seen from S. Attica during the night of Oct. 28, 2021. Faint parent lightning flash at the bottom, behind a cloud layer, can be seen as well. I've used a Sigma 85 mm lens at f/1.4, for 1/4'' with 51.2k iso. More about the Greek Team chasing red sprites and TLEs in general: antisimvatikos.blogspot.com/2019/05/tles-greek-archive-of...

What is a red sprite? Info here: antisimvatikos.blogspot.com/2017/04/red-sprite.html

Photography and Licensing: doudoulakis.blogspot.com/

My books concerning natural phenomena / Τα βιβλία μου σχετικά με τα φυσικά φαινόμενα: www.facebook.com/TaFisikaFainomena/

Taken in: Greece / Attica / Lavreotiki / Áspro Lithári (show map)

Taken on: October 30, 2021

Tags:

TLEs

Transient Luminous Events

red sprites

nitrogen

atmosphere

low light

thunderstorm

night sky

night lights

distant storm

ionosphere

plasma physics

physics

science

nature

Sigma Art lens

Sigma Art 85 mm f/1.4

nightscape

seascape

October

Attica

Sounion

Greece

medicane

distant storms

Crete

Libyan sea

Cretan sea « less

Sets appears in: • Weather + Nature

Groups appears in: • Night Images • Whatever the weather more » • Flickr Addicts • After Dark - Night Photography • Night Sky, The • Sky Shots - Sunsets, Sunrises, Clouds, Sky and Water or Land • Greek photographers-Ελληνες φωτογράφοι • Ελληνική Όμάδα Flickr • Sky @ Night • Night Sky Observations • CSSS: Storms - Real Storm Chasers • ` FLICKR ´ • Universe Today • Περιοδικό ΦΩΤΟγράφος • flickr (unofficial) • Hellenic Weather Photography • brilliant flickr • APOD Submissions • Sigma Art Lenses • in explore • All Photographers & Photographs welcome! • Nightphotography - All motives • Today's Flickr • Group for all users of FLICKR - No 30/60 Groups Limit • Sprites & (T)ransient (L)uminous (E)vents • Hellenic Photographers of the World - Έλληνες Φωτογ • EAPOD • All types of photo [No AI or SL] • Sky Magic « less

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