Colors of the Moon

In this photo taken on the 24th of March 2018, I've exaggerated the colors on the lunar surface. The different colors correspond to real differences in the chemical makeup of the lunar surface - blue hues reveal titanium rich areas while orange and purple colors show regions relatively poor in titanium and iron.

This is a single exposure and no tracking was used. This night we had exceptional good air conditions with very good seeing.

Nikon D850, Nikkor AF-S 600mm f/4 + TC-17E II
1/80 sec. ISO 64 @ 1000mm f/8

Full moon photography workshop

Part of my work is lecturing and holding workshops for different groups of people. One such reoccurring workshop is for high schools media students. Usually I do one inspiring lecture telling them about different phenomena and how to take photos of them. The next part is being out in the field with the students so they can ask me questions and practice taking photos of the sky and objects in the sky. Then as a follow up, I meet the students once more where they can show me their photos so I can give feedback on their work.

Last night it was time for some field work for a group of high schools students. My plan was to teach them how to take photos of the full moon and how to use the moon for composing interesting photos. As always, it's a blast hanging around with these young students since they are so full of inspiration and creativity and last night was no exception.

Here are a couple of photos I took during our night out.

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Best Swedish astronomy picture of the year 2016

It is with great pleasure that I can announce that my photo of the full moon rising above the mountains in Jämtland, Sweden, won first price as best Swedish astronomy picture of the year 2016. The contest is organized by the Swedish astronomy magazine Populär Astronomi.

The photo was taken on the 16th of August last year. It was taken near the small village Handöl in Jämtland. It was a calm and warm late summer evening and I had planed to take photos of the full moon rise. Just after the top of the moon was above the horizon I saw that it would touch this beautiful mountain formation an re-positioned myself to have the moon touching the mountain top in a way that it looked like it was about to roll down the hill.

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The size of the Andromeda Galaxy

It was quite some time since I photographed the Andromeda galaxy so last night I had another go at it. For this photo I used a total exposure time of 75 minutes to bring out the details in the galaxy.

It is the nearest major galaxy to the Milky Way with a distance of 2.5 million light-years. Just stop and think for that a minute, the light has traveled 2.5 million years before it arrived to Earth. Since the speed of light is ~300 000 km per second, we can quite easily come to the conclusion that the Andromeda galaxy is extremely far away.

But, since it at the same time is extremely big, its size in the sky is as big as 6 full moons placed next to each other.

In this photo I took last night I've included the size of the Moon as it appears in the sky, just so that you can get an idea on how big the Andromeda galaxy really is in the sky. Since the light from the galaxy also is very faint due to the long distance, we can just barley see the galaxy with the naked eye. But if we could see it in its full glory, this is how big it would look compared to the Moon. Quite a view.

Nikon D810A, Nikon AF-S 300mm/f2.8, 75 minute exposure, ISO 1600

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Astronomical nights arrives

Last night we experienced the first astronomical night here in Östersund, Sweden. Astronomical night is defined as when the geometric center of the sun is 18º or more below the horizon. Astronomical nights is something we astrophotographers want since then we can do really long exposures without the catching any light from the Sun.

September and October is also the high season for shooting the Milky Way. It's high in the sky and stretches over the entire sky from south west to north east around midnight.

Here's a shot I took a week ago when the sky still wasn't completely black. What you're seeing is our own galaxy The Milky Way rising from the horizon, filled with billion of stars, nebula's and interstellar dust blocking the light from distant stars creating these darker areas you're seeing.

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Planning and shooting the full moon of August

So, did you see it? Last night's full moon? It was as beautiful as always to see the full moon slowly rise above the horizon. I never get tired of seeing the Moon and Sun rise and set. These events are always a joy to watch and you never know what will happen regarding the light and other optical phenomena. Last night was no exception.

So, this time I had planned a location in forehand to get a shot with the moon above a big residential building called Fagerskrapan about 3 km away. According to my calculations the full moon should be visible around 20:12 - 20:15 Swedish summer time and at 20:14 it popped up right about where I expected it to, about three degrees to the left of Fagerskrapan.

Nikon D800E 1/180 sec, ISO 200, 600mm f/4.0

Then just three minutes later the Moon was closing in on the building and I noticed I had to move a bit to get it closer to the roof of the building. When doing these final adjustments you don't need to move much. Perhaps I moved about 20-30 meters away from my original spot.

Nikon D800E 1/180 sec, ISO 200, 600mm f/4.0

As the Moon got even closer to the building I went from 600 mm to 1,000 mm in focal length to get a more dramatic perspective of the scene.

Nikon D800E 1/90 sec, ISO 400, 1,000mm f/6.7

Now it was all about waiting for the right moment and and keep shooting. At a focal length of 1,000 mm the Moon moves pretty fast over the sky.

Nikon D800E 1/180 sec, ISO 400, 1,000mm f/6.7

One minute later I took this shot when the Moon was connected to Fagerskrapan by the big antenna on the roof. I shot it in portrait mode and have then cropped it to a square format. I like the fact that this antenna are connecting the two objects.

So in all it took the Moon about 6 minutes to make the trip from horizon and to the top of the building. That's not much so if you try to capture a moon or sunrise you need good preparations and planing in forehand.

Finally I realized that I might get a photo of a clock and the Moon exactly when it was at 100% which occurred at 20:38 Swedish summer time. This wasn't something I've planned but I realized it in the last few minutes and I soon realized that from my current location I wasn't able to get that shot, but it would be close.

Nikon D800E 1/125 sec, ISO 400, 1,000mm f/6.7

So this last photo was taken at 20:29 so 9 minutes to early. Had I waited for another 9 minutes the Moon had been long gone from that church tower, close but no cigar. The good side of the is that now I got another shot to do at another full moon :-)


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Get started with nightscape photography

I often get questions on how I take my photos and how one can get started taking similar photos of the night sky. I thought it might be a good idea to write up an article or two on how to get started in what’s called nightscape photography. What’s nightscape photography you might ask? It a photo genre where you combine a landscape foreground with a night sky scene, some use the name starscapes.

In this article I will share some of my experiences and give you some tips on how to get started in nightscape photography. I will focus on nightscape photography, I won't talk about deep sky photography since this requires some sort of tracking device for the camera to eliminate star trails due to Earth's rotation.

A camera and a tripod is pretty much all you need
to get started with nightscape photography.

Preparing solar filters for total solar eclipse

Today I've been preparing a couple of solar filters for two of my tele lenses. With these two filters I'm able to shoot the Sun in white light during the eclipse on March 20.

I will continuously report from my preparation and during my trip so follow me here on my blog, Twitter or Instagram for the latest updates.

Two Face Moon

Last night the moon was half, 50% lit by the Sun. I decided to try and capture the two sides of a half moon, both the dark side and the bright (visual) half. This image is a composite image of several exposures that show the entire moon as it looked yesterday, not only the visible half. The colors are real and enhanced to be more visible.

The two bright dots down to the left are two stars. The brightest one (HIP20877) has a magnitude of 4.93 and the fainter one (TYC1265-499-1) magnitude 8.18.

Chasing Aurora

If read my last post Dreaming of Aurora you can read about the story behind this movie. This is my first try with real time aurora filming and I learnt a lot during the late hours of this cold night. It was almost pitch black so I'm very impressed that the camera manages to pick up so much data in the aurora. You can find some still photos in the end of the movie that was shot while filming.

Planet Jupiter and the Moon in close encounter

During the last three days, planet Jupiter and the Moon has been quite close to each other. Here are three photos I took of them together.

The last photo was taken using a focal length of 110 mm and in the original photo you can clearly see three of four of Jupiter's biggest moons, the so called Galilean moons. The 4 moons are Io, Europa, Ganymede, and Callisto. When I took this photo Io (the innermost of the four) was behind planet Jupiter and therefore not visible.

In the upper left corner of that photo I've included a 100% crop of the original image of the area around Jupiter. As you can see both the planet and the moons are formed as short lines rather than spheres/dots, that's due to the long exposure of 8 seconds. During these 8 seconds, Earth rotation makes the entire sky move and this movement is recorded by the camera when using a longer focal length.

Photo taken February 2, 2015

Photo taken February 3, 2015

Photo taken February 4, 2015

The Hidden City

Last night there were a very thick fog covering the city of Östersund. In this photo you can see the fog lit up from beneath by the city lights. It's very interesting to see all the different colors from different type of light sources.

One of the most known landmarks of Östersund is Rådhuset (City hall) and you can see the tower/spire of that building sticking up through the fog in center of the photo.

Little Solar Halo Observer

Yesterday a beautiful solar halo was visible around Östersund. Me and my son went out watch it over the frozen lake Storsjön. It was his first full circle solar halo so it was a special moment, also for his daddy :)

Earth calling comet Lovejoy

This is Earth calling comet Lovejoy, do you copy?

My first photo of comet Lovejoy

A couple of nights ago I managed to get my first shot of comet C/2014 Q2 Lovejoy. A total exposure of 39 minutes at a focal length of 180mm. I had a hard time processing the images due to a light polluted sky but in the end I managed to dig out some of the comets long tail. Next time I will go to a darker location to hopefully get more details in the tail.

Light Pillars over Östersund

Last night there were some beautiful light pillars visible over Östersund. It's been a while since I last saw this phenomena but tonight they where clearly visible.

Things to look forward to in 2015

A new year starts today, a year filled with exciting astronomical events to look forward to. In this photo you can see the Great Lake Monster looking at a solar halo, an event we hopefully see more of during the winter ahead.

First out is comet Lovejoy (C/2014 Q2), it will soon be visible here in northern Sweden and I'm really looking forward to see and take photos of it. It should double in brightness by mid-January 2015. This puts it just above the threshold for naked-eye visibility and makes it possible to record the comet using only a camera--no telescope required.

One of the biggest astronomical events during 2015 is the total solar eclipse on the 25th of March. In the northern Scandinavia more than 90% of the sun will be covered. To see the total solar eclipse you need to travel to Svalbard or Faroe Islands.

Another great event is the Blue Moon on July 31. A Blue Moon is when there are 2 full moons in one Month. A full moon occurs roughly every 29.5 days so on rare occasions there are two full moons in one month, then the second full moon is called a Blue Moon.

Also NASA's New Horizons will arrive at Pluto, lunar eclipse, meteor showers and more. I'll keep you posted as we're getting closer to them during the year.

Happy new year and clear skies!

Strawberry Moonlings

Photo number 3 in my 2014 recap.

During 2014 I shot lots and lots of moonrises. Each time I do a shot like this I try to come up with new ideas on that to illustrate. The full moon of June is called Strawberry Moon so that gave me some ideas to work with. It later tuned out that my models had a much better idea for this shoot. I gave them free hands to come up with something and they sure did.

What you see in this photo are the legendary Strawberry Moonlings. They live deep in the forest and only come out once a year and that is during the full moon in June when the seek out villages and plunder them of all their Strawberries. Here you can see them watching down on a small village.

In the top left corner you can see a closeup shot of these rare scary creatures.

A new day begins

This is photo no 2 in my 2014 recap. Taken just minutes before the Sun rose above the horizon in January. It was a cold beautiful winter morning. In the photo the Moon is in waning gibbous phase and the sky is colored pink and blue.

The blue part is whats called Earth's Shadow. That's the shadow that the Earth itself casts on its atmosphere.

The pink part of the sky is called the Belt of Venus. The name Belt of Venus is not connected with the planet Venus; the Belt of Venus is part of Earth's upper atmosphere which is illuminated by the setting or rising sun. It is visible either after the sun ceases to be visible (at sunset) or before the sun becomes visible (at sunrise).

Winter Solstice Aurora

Last night we had some faint aurora over Östersund. The expected solar wind reach us later in the morning so hopefully we'll see stronger aurora tonight, if the weather holds up. So keep an eye on the sky to the north tonight, it might get green :-)