Showing posts with label photography. Show all posts
Showing posts with label photography. Show all posts

Friday, 11 September 2015

Aurora pictures 09.09.15

A couple of nights ago, a geomagnetic storm sparked very bright and dynamic aurora over Sodankylä, which lasted for most of the night. Here are a couple of pictures taken from behind the local airport.

At first, it was a bit cloudy, but soon enough the sky became perfectly clear and it was possible to fully enjoy the live show. It went really crazy around 01:00 LT, with very bright pinkish displays below the green arcs, pulsating aurora and dancing structures.




Photos: M. Grandin.

Friday, 8 May 2015

Midnight Sun on Svalbard

As summer is on its way, here on Svalbard we have had the midnight sun for several weeks already. Last "night" turned out to be optimal to try a photomontage with the sun slowly approaching the northern horizon and being only hidden by the mountains.
The picture below is based on images taken between 22:00 yesterday evening and 03:15 today (local time), from the third floor exterior stairs of the Sjøskrenten student housing, in Longyearbyen.

Picture: M. Grandin.

Friday, 14 November 2014

Hunting the green flash

Last week, during the CHAMOS workshop in Luosto, we climbed on the top of the Luostotunturi (514 m), and we reached the summit a few minutes before sunset (i.e. around 3pm). As the sky was clear and the horizon low enough, I tried to take pictures of the sunset, in the hope to catch the green flash.


Well, I have to admit that my camera's zooming capacities are not among its best properties. But still, if we have a closer look at the pixels corresponding to the solar limb...


There is definitely some green! The good thing is that I had never achieved this before. The bad thing is that now I want to buy a new camera to get better results...

To be continued (maybe)...

EDIT: The same story in French (with bonus pictures) here.

Tuesday, 4 November 2014

Afternoon sunset

Early November. We can almost enjoy sunset during our afternoon coffee break in Polaria at 13:30. After a couple of days with positive temperatures, the river is freezing again, showing these funny patterns. The following picture was taken from the shore near the main building of the observatory just a few minutes ago.

Photo: M. Grandin

Thursday, 16 October 2014

Aurora pictures 14.10.13

Another active night in Sodankylä this autumn! Wonderful displays started to show up as early as 20:00 Finnish time. The following pictures were taken between 20:00 and 23:00 near the small airport of Sodankylä.







Pictures: Maxime Grandin

Friday, 10 October 2014

Aurora pictures 09.10.14

After many cloudy days, last night's clear skies enabled to enjoy the northern light! It started to be quite active around 23:00 Finnish time and pretty nice arcs danced during a rather long active phase. Here are a few pictures...





Finally another photo taken at a different location in Sodankylä, on the banks of the river Kitinen. The landscape is eerily bright thanks to the near-full moon, and the lack of wind turned the river into a perfect mirror for northern lights! 


Photos: Maxime Grandin (top three photos) and Thomas Ulich (bottom photo).

Tuesday, 23 September 2014

Aurora pictures 22.09.14

Last night was pretty active around Sodankylä, geomagnetically speaking. The northern light appeared around 22:00 local time and lasted for several hours. It was mostly of the pulsating kind, which is very fascinating yet not particularly impressive on pictures. Still, here are a few ones.







Saturday, 20 September 2014

Ruska (including colours)

Here are a few color pictures of ruska in Tähtelä as well as other places in Sodankylä.







Thursday, 18 September 2014

Ruska in Tähtelä

In Finnish Lapland, mid-September is well-known as the ruska time of the year, when leaves turn orange or red and the ground itself shows golden shades. It is the best time for mushroom and bilberry picking.

Scarlet trees are particularly gorgeous

Ruska only lasts for typically a few weeks. Mosquitos are (almost) gone, temperatures are still warm and days are still long, allowing very pleasant walks in forest. It is also the season when the hunting activities are increasing.

NO FREEZING TEMPERATURES

Every year, ruska occurs at the same period, as it is triggered by the drop in the daily amount of natural light reaching the trees. In Sodankylä (and therefore in Tähtelä), ruska reaches its climax during the second and third weeks of September (the official starting date and time are still actively debated). 

However, some years show a better ruska than others. To have a good ruska with outstandingly colourful displays, the air must be rather dry in late August and early September, and slightly freezing temperatures are required at night. This was not the case this year in Sodankylä, and leaves therefore tend to fall from the trees as soon as their colour changes. Yet, the landscapes still prove breathtaking.

Misty sunrise on the Kitinen river

In a week or so, most of the remaining leaves will start to fall. Then, after the equinoxe, days will become shorter and shorter; evenings will soon get darker and darker, nighttime temperatures will drop below zero. And within less than one month, there will be the first snow falls.

Winter is coming.

Tuesday, 16 September 2014

EISCAT_3D End of Project Summary Meeting

The EISCAT_3D Preparatory Phase Project is coming to an end and the End of Project Summary Meeting was held on 10.-12.9.2014 at IRF (Swedish Institute of Space Physics)  in Kiruna. Here are some photos from the event.


IRF Kiruna

Craig Heinselman, the director of EISCAT



Professor Markku Lehtinen from SGO


Derek McKay-Bukowski from SGO

Saturday, 13 September 2014

Aurora pictures 12.09.14

Although the beginning of the night was not very promising, the sky being almost overcast, I managed to take a few pictures of the northern light this night. 

The sky started to clear up around 23:45 and some activity could be guessed behind the clouds.



As the last clouds were drifting from the western horizon towards Sodankylä, a diffuse aurora appeared in the south.


Around 1:15, a proper arc finally showed up, offering gorgeous displays of green and purple.



A few minutes later, a quite active arc appeared in the north. Unfortunately, it lasted only for a couple of minutes.


Slightly tired and feeling cold, I decided to stop hunting a bit after 2:00. Finally, this night's displays were not as impressive as I had hoped, but they were still worth staying up to enjoy them.

Sunday, 7 September 2014

The Arecibo Radiotelescope

From 21 to 26 July, the National Science Foundation and the EISCAT Scientific Association organised the 2014 Incoherent Scatter Radar Summer School in Arecibo, Puerto Rico. The Finnish delegation comprised Thomas Ulich (lecturer and organiser, SGO), Antti Kero (lecturer, SGO), Anita Aikio (lecturer, University of Oulu) and myself (student, SGO).

It was such an incredible experience to have this summer school in the legendary Arecibo Observatory by the very edge of the 305-m-wide spherical dish which was built in 1964. This radiotelescope has provided the scientific community with extremely high-quality data in ionosphere physics, radio astronomy and planet and asteroid imaging.

The platform hanging 150 m above the bottom of the dish thanks to strong cables contains two receivers: the line feed and the Gregorian dome. The access to the platform is visible on the top-right-hand corner of the picture below. During the week, the summer school participants were given the chance to get onto that platform.

Picture realised by merging ten photographs of small bits of the radar

Besides the amazing location, this summer school was a great success and provided a unique opportunity for students in ionosphere physics from all around the world (Europe, United States, Japan, China, Peru, Ethiopia...) to meet. 

Many thanks to the organisers and the lecturers (may they find an equally extraordinary place for the next summer school)!

A soprano of the Arecibo Observatory Coquí Choir (daily performances starting around 19:30)

Sunday, 31 August 2014

Pictures from Hailuoto

We are going to shamelessly ape the KAIRA blog and post not-so-scientific stuff once in a while especially on weekends. So for this Sunday we present some pictures from Hailuoto (map), an island near to Oulu, where I spent few days couple a weeks ago with Professor Markku Lehtinen in order to finalise our EISCAT3D reports.

It is an excellent place to retreat and to work without distractions.

Marjaniemi lighthouse and the former pilot station which is now a hotel and a restaurant.

Fisher boat on dry land

Sunset in Marjaniemi

Fishermen's huts. We rented two of those. No running water or bathrooms, but enough electricity for our computers.
All pictures by M.O.