night sky

Imaggeo On Monday: C/2020 F3 (NEOWISE) – a memorable moment

S. Mubashshir Ali October 25, 2021

C/2020 F3 (NEOWISE) – a memorable moment. Credit: S. Mubashshir Ali (distributed via imaggeo.egu.eu)

Around 17th July 2020, the core of the Neowise comet starting giving off a greenish-glow. At first I thought this strange colour was due to some glitch in my camera sensor (I used an entry-level DSLR), but other photos online also started reporting this greenish glow. It has since been speculated to be because of the formation of a new vent on the surface of the comet, discharging gaseous ions whi ...[Read More]

Imaggeo On Monday: Cassiopeia with Milky Way

Michael Danielides October 18, 2021

Cassiopeia with Milky Way. Credit: Michael Danielides (distributed via imaggeo.egu.eu)

Cassiopeia with Milky Way in the background on September 9th, 2020. The image was taken in north-eastern state of Germany (Mecklenburg – Lower Pomerania) near the Town of Jarmen. The region has little light pollution and the evening had a clear sky (sky quality measure was 21.15). The image was taken at about 22:00 hrs local time. An EOS 1100D with a 50/1.6 lens was used. The exposure time w ...[Read More]

Imaggeo On Monday: over 10 years of the EGU Photo Competition

Hazel Gibson March 1, 2021

Patterns in the Void. Image by Christian Klepp distributed by EGU under a Creative Commons licence.

In 2010 EGU held our first annual Photo Competition at the General Assembly in Vienna. Since then hundreds of photos have been shared on imaggeo by geoscientists and researchers just like you, with a lucky few being selected each year to be highlighted during the meeting and voted on by our members. These images can be of anything to do with geology or geoscience – we get many beautif ...[Read More]

Imaggeo On Monday: Aurora Australis with Southern Cross and Pointer stars

Ulrich Schreiber February 22, 2021

Aurora Australis with Southern Cross and Pointer stars. Credit: Ulrich Schreiber (distributed via imaggeo.egu.eu)

This view from the Port Hills of Christchurch in New Zealand glances South over Governors Bay into the distance, where an Aurora Australis is visible near the horizon. Almost in the center of the starry sky the Southern Cross with its 2 Pointer stars are showing prominently. Description by Ulrich Schreiber, after the description on imaggeo.egu.eu. Imaggeo is the EGU’s online open acc ...[Read More]