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Photographing the West Highland Peninsulas​
Ardgour | Ardnamurchan | Moidart | Morvern | Sunart

Light of the Zodiac

12/3/2023

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The vernal (spring) equinox on 20 March heralds the arrival of spring and it is a great time of the year for observing one of the night sky’s most elusive phenomena: zodiacal light. This light will appear as a false dusk that is created by a triangular beam of light from the Sun being reflected off a fog of tiny interplanetary dust particles when it is beneath the horizon.  It’s so difficult to see and many astronomers have never witnessed it, however, I was lucky enough to spot and photograph it at Castle Tioram on a dark moonless night on the first day of March last year. It should be visible on dark moonless nights over the next few weeks, so do keep an eye out for it.
​
Zodiacal light in the night sky above Castle Tioram, Moidart, Scotland | Steven Marshall Photography
Image 1: Tioram and the Zodiac - Castle Tioram, Dorlin, Moidart
Triangular zodiacal light, a feature of the night sky around the time of the equinoxes, shines up into the night sky above Castle Tioram
​Have you ever been outside at this time of the year, looking west and noticed what you think is lingering evening twilight, or the light of a nearby town shining up from the horizon? If so, you may well have seen zodiacal light in the sky and not realised.
 
It is a triangular beam of light that shines along the line of the Zodiac, an 8° wide band that straddles the ecliptic, the invisible path that the Sun traces as it moves around the sky. It is the region of the sky where we can find the Sun, Moon and planets and is only 8° wide because most of the planets have orbits that are only slightly inclined to that of the Earth. The exception is Pluto, whose inclination of 17° takes it out of the Zodiac during part of its orbit.
 
At this time of year, the Zodiac rises steeply from the horizon at dusk meaning zodiacal light does the same. People used to think that it originated somehow from phenomena in the Earth’s upper atmosphere, but today we understand it as sunlight reflecting off dust grains that circle the sun in the inner solar system, along the line of the Zodiac.
 
The grains of dust were once thought to be left over from the process that created our Earth and the other planets of our solar system around 4.5 billion years ago, but in recent years, there’s been discussion about them originating from dust storms on the planet Mars. They are thought to be about a millimetre and less in size, densest around the immediate vicinity of the Sun and extending outward beyond the orbit of Mars and, when sunlight shines on these dust grains, it creates the light we see.
Zodiacal above Loch Sunart near Salen | Stargazing Ardnamurchan Scotland | Steven Marshall Photography
Image 2: Airglow and the Zodiac - Sailean nan Cuileag, Salen, Ardnamurchan
Triangular Zodiacal Light extending from the western horizon, above a hint of airglow and up into the sky above Sailean nan Cuileag and Loch Sunart
​The light is fainter than the Milky Way, so the darker the night sky, the better chances of seeing it. It is best to go to a location with little or no night pollution, on a night when the moon is out of the sky and look for it in the west in the hour or two after sunset. If you are lucky, you may spot it as a ghostly pyramid of light rising steeply from the horizon.
 
The best time to look for it in the coming month will be on the days either side of the equinox (20 March) as this coincides with a New Moon, meaning that there will be no moonlight to drown it out. With Venus and Jupiter, our night sky’s two brightest planets, being low down in the west after sunset, they’ll be visible close to or in the zodiacal light. Shortly after, on 23 and 24 March there will also be a thin crescent Moon sitting in the midst of the triangular beam of light as it shines upwards from beneath the western horizon.
 
If you don’t see it in the next few weeks, you can try again in the autumn, but instead of looking for it in the west at dusk, you need to look for it in the east at dawn. This is because the Zodiac elliptic rises steeply from the eastern horizon at dawn in the autumn instead of rising steeply from the western horizon after dusk in the spring.
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Life Among the Stars

14/8/2022

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We are now in August, the best month of the year for looking at and photographing the cloudy core of the Milky Way, the galaxy that is home to our Sun and 200 billion other stars. I find photographing this vast cloud of other stars and worlds an extremely humbling experience, especially when you consider that this single galaxy may contain 300 million potentially habitable planets and that there are a total of 170 billion other galaxies in the Universe as a whole. With mind-blowing numbers like these, we surely must consider the possibility of there being life beyond Earth.
At this time of the year, the sun sets at around 9:00 pm and the stars and the constellations become visible from about 10:00 pm onwards. So, if you spend some time outside around then and look south, you’ll see the core of the Milky Way beginning to appear in the lower part of the sky. Having risen above the horizon in the southeast at about 7:00 pm, this cloudy mass of dust and stars will have travelled upwards and westwards to become visible as twilight ends. At this point, it reaches its highest point in the night sky and begins to drop down towards the horizon while it continues westward. It will eventually set around midnight, giving a period of about two hours during which it can photographed in all its glory. I was pleased to be able to do this when I captured the image below on a beautifully still and clear night from the Ardtoe Jetty in Kentra Bay.
When out under the night sky capturing images like this, you are looking up and seeing around 6000 stars with your naked eye.  I find that this really does give you a sense of how insignificant both we and our planet are in the grand scheme of things, especially when you consider that for every star we can see, there are over 30 million more in our galaxy that we cannot. These 200 billion stars, both seen and unseen, make our Milky Way an averaged sized galaxy, while the largest galaxy we know is designated IC 1101 and has over 100 trillion stars.

In fact, a vast number of galaxies exist and counting them may seem like an impossible task, but it is something that astronomers have tried to do with the Hubble Space Telescope. They used it to photograph a small patch of sky in repeat visits for a total of 50 days during 2003 and 2004 and the information was used to compile an eXtreme Deep Field (XDF) image of it. The XDF revealed thousands of galaxies, both nearby and very distant, and from this they estimated the number of galaxies in the rest of the sky to be 170 billion.
The Milky Way and Mars above a small boat moored in the calm water of Kentra Bay | Ardnamurchan, Scotland | Steven Marshall Photography
Still Under the Stars - Kentra Bay, Gobshealach, Ardnamurchan
There was not a breath of wind on this night under the stars, so the boats moored up in Kentra Bay sat perfectly still under the Milky Way while a bright red Mars, low on the horizon, was reflected in the water
​With each of these 170 billion galaxies containing an average of 200 billion stars, and with the current consensus among astronomers being that there should be at least as many planets as there are stars, it can be estimated that there are at least 34 sextillion (34,000,000,000,000,000,000,000) planets in the universe.
 
This is an incomprehensibly large number of planets, and it does make you wonder if there is indeed life out there beyond Earth. Indeed, to date, astronomers have found 55 planets that are orbiting the habitable zones of stars and by extrapolating this to the number of stars in the Milky Way they estimate that there could be 300 million such planets in our galaxy alone.
 
So, with this in mind, why don’t you go outside after dark on a clear August night and look south to see the cloudy core of the Milky Way, consider that someone may be looking back at you and remember this quote by Carl Sagan, the renowned astronomer and astrophysicist:
 
“The universe is a pretty big place. If it's just us, seems like an awful waste of space.”
A small bothy by the shore of Loch Linnhe at Kilmalieu under the Milky Way and a night sky full of stars | Ardgour Scotland | Steven Marshall Photography
Life Beyond the Bothy III - Camas Chil Mhalieu, Kilmalieu, Ardgour
When standing looking at the vastness of the night sky that lay beyond this small bothy, I couldn’t help but think about the probability of there being life beyond Earth
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Seeing Green Northern Lights

15/3/2022

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The image below was taken on a September night at the Loch Shiel jetty in Acharacle when I had a client with me for some night photography tuition. We had been photographing the Milky Way in the sky over Loch Sunart when the Aurora Alerts went off, so we decided to head over to the jetty as it has a clear view north. We had a great time photographing the Northern Lights both here and at other locations close by. Some of the images from that night hang in my Studio at Resipole and they often prompt people to ask; “Can you see the Northern Lights here and are they really that green?”. My answer is always yes, but we can only perceive the aurora as a greyish-blue light. I then go on to explain the reason why...
Photographing Northern Lights, Aurora Borealis over Loch Shiel at Acharacle | Ardnamurchan, Scotland | Steven Marshall Photography
A client during his night photography lesson under the Northern Lights on the Loch Shiel Jetty at Acharacle
It’s all because our eyes contain two types of photoreceptors (cones and rods) and how they work in the dark compared to how they work in daylight.
 
Each retina has about 6 to 7 million cones and they provide the eye with the ability to distinguish colour. However, these cones only work effectively when it is light. On the other hand, there are about 120 million rods. These are far more effective at helping us to see in low light and near dark conditions, but they cannot distinguish colour.
 
So, as it gets dark and the cones stop working, our eyes move from enabling us to see in full colour to only seeing in black and white. This means that anything we look at in the dark, including the Northern Lights, will only be seen in black, white and shades of grey.
 
However, the sensors that you find in digital cameras do not suffer from this limitation and are extremely effective at picking up both light and colour in the dark. They can easily pick up the greens, reds, blues and purples that are present in the aurora, meaning that the colours you see in digitally taken images of the aurora are not a result of any photo editing but are, in fact, real.
 
The auroral colours are a result of collisions between gaseous particles in the Earth's atmosphere and charged particles released from the Sun's atmosphere. The colours present in the aurora depend on the type of gas particles the charged solar particles collide with. Green is the most common because most solar particles collide with our atmosphere at an altitude of around 60 to 150 miles, where there are high concentrations of oxygen and these collisions with oxygen produce a pale yellowish-green colour.
 
Blue and purple can also be present, but far less frequently than green because they only appear when solar activity is strong enough to cause particle collisions in our atmosphere at an altitude of 60 miles or less. At these heights, it is a reaction with nitrogen that causes the aurora to be tinged with purple or blue.
 
On rare occasions, red can be present in the aurora, but only when the Sun’s activity causes solar particles to react with oxygen at altitudes above 150 miles or so. At this height the oxygen is less concentrated and is “excited” at a higher frequency or wavelength than the denser oxygen lower down in the atmosphere and so produces a purely red aurora.
 
To give you an idea of the difference between what we can see and what the camera sees, I’ve prepared two versions of another image taken that night, but at Castle Tioram rather than Loch Shiel. These two versions are below, with the one on the left showing what the camera saw and the one on the right showing what I saw when I was taking the photograph. 
Northern Lights or Aurora Borealis over Castle Tioram | Ardnamurchan, Scotland | Steven Marshall Photography
What the camera saw
Northern Lights or Aurora Borealis over Castle Tioram | Ardnamurchan, Scotland | Steven Marshall Photography
What I saw
Don’t despair though, as but there is a way you can experience the colours for yourself. Many modern phone cameras have a “Night Mode” setting that allows you to take bright, sharp and noise-free photos, even in the darkness of the night. So, the next time you hear of the aurora happening, head to a place with a clear view of the northern horizon, put you phone camera in “Night Mode” and use it to help you see the colours of the ‘Na Fir-chlis’.
You will find a few more images of the Northern Lights in the “Our Night Sky”  photo gallery on this website and if you’d like to arrange some night photography tuition, please feel free to get in touch.
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Night Photography – It’s Easier Than You Think

15/1/2022

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When I moved away from the bright city lights of Glasgow to the unspoilt West Highland Peninsulas, one of the first things that struck me most was just how dark and clear the night sky was. I found that I could simply step out of the door of my house by the side of Loch Sunart and find myself looking up at the Milky Way and well over 7000 stars scattered across the sky above me. As my time on the Peninsula has passed, my interest in night photography has become a passion that produces some of my most popular images and I often get asked by visitors to my Studio about just how difficult night photography is. Well, the simple answer is that “It’s easier than you think” so, in this blog, I thought I’d explain why I think that this is the case.
Ardnamurchan Lighthouse beneath the Milky Way | Ardnamurchan Point, Scotland | Steven Marshall Photography
Image 1: Safe Night Passage - Ardnamurchan Lighthouse, Ardnamurchan Point, Ardnamurchan
​The reality is that you don’t need to buy lots of expensive equipment to capture your first images of the night sky. Any modern DSLR or mirrorless camera fitted with a wide-angle lens and mounted on a tripod will allow you to capture some lovely images of the night sky. So, if you have a full-frame sensor camera and a wide-angle lens with a focal length of about 30mm or less, you will be able to make a start at photographing the stars. Alternatively, if you have a 1.5x cropped sensor camera, a lens with a focal length of about 20mm or less will work fine. Ideally, these lenses should be able to open up to a wide aperture of f2.8 but if yours don’t, just give them a try at their widest setting and see how you get on. If you’re not happy with the results, you can always rent a lens for a little while to see if it is something you’re keen to get into, before deciding to buy a lens specifically for your night photography.
A STEVE (Strong Thermal Emission Velocity Enhancement), or Sub-auroral Arc in the night sky above Loch Arienas | Ardtornish Estate, Morvern, Scotland | Steven Marshall Photography
Image 2: Meet Steve - Camas Allt a’ Choire, Loch Arienas, Morvern
The actual process of setting up your camera is not too difficult and in many ways, I think that it is far easier than setting it for daytime photography as there is basically only one setting to use. All you have to do is start no later than 45 minutes or so after sunset, while it is still getting dark, put your camera in manual mode, set it to capture RAW image files and then do the following:
  • Pick the rough composition you want while it is still light enough for you to see and then, with your wide-angle lens set to a focal length of no more than 20-300mm, look through the viewfinder while hand-holding the camera and frame up a more precise composition.
  • Once you have identified this composition, mount your camera on its tripod, and set it up so that it is framed up on the precise composition wish to photograph.
The Milky Way in the night sky above a solitary phone box at Kentra Bay| Gobshealach, Ardnamurchan, Scotland | Steven Marshall Photography
Image 3: Earth Calling - Kentra Bay, Gobshealach, Ardnamurchan
  • You now need to work out the maximum shutter speed you can have without beginning to get star trails, i.e., the stretched out stars caused by the rotation of the Earth. For a camera with a full frame sensor, a rough rule of thumb is to divide 600 by the focal length of your lens. So, if when framing your composition, you used a focal length of 20mm, the maximum shutter speed you would want to use is 600 divided by 20, i.e., 30 seconds. For a 1.5x cropped sensor, you would use 400 divided by 20, i.e., 20 seconds.
  • Next, with your exposure set to 20 or 30 seconds, set the aperture to no more that f/4 and your ISO to about 2000 or so. If the resulting exposure level is too high, reduce your ISO and if it is too low, increase your ISO anywhere up to a maximum of 5000 or so. Certainly try not to go above ISO 6400 as anything higher than this is likely to result in a lot of noise or graining in your resulting photographs.
  • Next comes the most difficult part, which is getting everything in focus. This is because your camera’s autofocus will not work in conditions with little or no light. If you think that there is enough light for your autofocus to work, use it to focus on something way out on the horizon, i.e. at infinity and then switch it to manual focus while holding the shutter button half down to lock the focus in place. If there isn’t enough light, switch to manual focus mode straight away and manually focus on something on the horizon. If you find that you are setting up too late and in the dark, see if there are some bright lights on the horizon and use them to focus your camera to infinity. You can also use the moon, a planet or a bright star as something on which you can lock your focus.
  • Once you have your camera focussed for the focal length and aperture you have set, it is a good idea to use a couple of strips of insulating tape to tape down and hold the aperture and focus rings in place. You’d be surprised how easy it is to knock them out of position and therefore put your camera out of focus.
A star trail in the night sky over Loch Shiel at the Acharacle Jetty | Acharacle, Moidart, Ardnamurchan, Scotland | Steven Marshall Photography
Image 4: Night Time Passing - Loch Shiel, Acharacle, Ardnamurchan
You are now all set up but please be patient and wait for it to get sufficiently dark for the stars to show in your photo. This will usually be about 1½ hours after sunset. Once you think it is dark enough, select your camera’s 2 second timer and use it to avoid you pressing the shutter button during the camera exposure and causing any movement that might blur the image. Simply press the shutter button with the two second timer switched on, wait for the exposure to complete and then check the photo you have just taken. If you find it is under or over exposed, adjust your ISO accordingly, but avoid an ISO that is so high that it makes your photo’s noisy and grainy.

​When you have got a shot you are happy with, feel free to change the tripod location and camera position to capture a different composition, but avoid changing your aperture of focal length (dials previously taped to prevent accidental movement) as this will put your camera out of focus. Also, because It will most likely be completely dark by now, you might be best to use a torch to light your field of view while framing the new composition.
The northern night sky over Sanna Bay with the 7 bright stars of the Plough above the Small Isles| Sanna Beach, Ardnamurchan, Scotland | Steven Marshall Photography
Image 5: Under the Plough I - Sanna Bay, Sanna, Ardnamurchan
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Tips for Stargazing on the West Highland Peninsulas

1/2/2020

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If you're planning a visit here to the West Highland Peninsulas of Ardgour, Ardnamurchan, Moidart, Morvern and Sunart, then here are some tips on how best to enjoy some of the darkest night skies in Europe
PictureSouthern Night - Loch Sunart, Rockpool House, Resipole, Sunart
The autumn night sky from Rockpool House

​After living for almost 30 years in and around Glasgow, I moved to Rockpool House located right on the shore of Loch Sunart and was immediately blown away by the number of stars I could see in the sky on a dark, clear night. Three years have passed and my interest in night photography has become a passion that produces some of my most popular images and the recent acquisition of a telescope now has me doing a bit of stargazing. So, in this blog, I thought I’d share a few tips for exploring the night sky if you visit here and find yourself a under a sky that is so dark that you can see the Milky Way and over 7000 stars.

​Where to Go
While I can walk out of the front door and see these 7000 stars, I usually go a little further afield to photograph the landscape under the night sky. I usually look for places with a clear view south or south-west to photograph the Milky Way and places with a clear horizon to the north that overlook water to photograph the Northern Lights. If you are here, then I suggest that you go to one of the seven places that are listed on the Dark Skies page of the West Highland Peninsulas website.

When to Go
I find that the best time to photograph or look at the night sky is in the time window between 2 hours after sunset and 2 hours before sunrise. As we are pretty far North, this means that the best times of year to look are Autumn, Winter and Spring when the nights are long and dark enough. Also, the light from the moon can make it difficult to see the stars, so it is best to look when there is little or no moon in the sky. Given this, it is best to check our local sun and moon times to decide when best to go out. You should also check the weather for when clear nights are forecast.

​How to Look
  • ​Use your naked eyes – You can see a lot with just your naked eyes. All you need to do is to give them 10-15 minutes to adjust fully to the dark. Be patient and you will find that you’ll suddenly see twice as many stars.
  • Use a red torch – Once your eyes have adjusted to the dark it is very easy to lose your “night vision”. Avoid using and looking at bright lights. Instead use a red light, such as a bike light, as this doesn’t affect you night vision.
  • Stay warm – Clear, dark nights are often very cold, so wrap up warm. Wear plenty of layers, a hat and gloves. If you are going to be out for a while, think about using heat wraps or charcoal hand warmers.
  • Use Star Charts – Use a star chart to find your way around. These can be downloaded free from Skymaps.com. Alternatively, you can use a smartphone app such as Pocket Universe.
​
​What to See
  • ​Milky Way – The best way to see it is by looking directly overhead during autumn and early winter evenings and you'll see this shimmering river of light streaming through the constellations of Cassiopeia and Cygnus.
  • Northern Lights (Aurora Borealis) – They can happen at any time of the year, but the best time is the Autumn and Winter when the sky is really dark, with Autumn being better as it tends to have more clear nights. Check AuroraWatch UK or Aurora Alert  for forecasts and alerts.
  • Stars and Constellations – Winter is the best time, when you can look to the south and see the grand constellations of winter: Orion, Taurus, Auriga, Perseus, Cassiopeia, Gemini, and Canis Major.  These constellations are rich with stars and star clusters, with the most brilliant stars being Capella, Castor and Pollux, Procyon, Sirius, Rigel, Aldebaran, and Betelgeuse.
  • Planets – From March and the onset of Spring, the visible planets of Mercury, Venus, Mars, Jupiter and Saturn grace our skies after sunset and during the night. First are Mercury and Venus in the west right after sunset, with Venus being the brighter of the two. Next is Jupiter rising in the east around midnight. Mars follows in the time between midnight and sunrise and Saturn appears in early morning.
  • Meteor Showers – They happen at predictable times throughout the year and are best seen when the moon is absent, which will change from year to year. Look out for the annual Quadrantids (January), Lyrids (April), Perseids (August), Orionids (peaks in October), Leonids (November) and Geminids (December). If you do try see them, then spend at least an hour outside doing so as they tend to happen in fits and starts. Check out Earthsky.org’s meteor shower guide for the best times to look.
You will find the images featured in this blog, along with many more, in the “Our Night Sky”  photo gallery. If you’d like a print of any one of them, please feel free to get in touch. Also get in touch if you’d like to arrange some night photography tuition. 
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    Hi, I’m Steven Marshall, a Scottish landscape photographer based at Rockpool House in the heart of the beautiful West Highland Peninsulas of Sunart, Morvern, Moidart, Ardgour and Ardnamurchan. Get in touch for photography tuition, tours and print sales.

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Steven Marshall Photography,  Rockpool House,  Resipole,  Strontian,  Acharacle,  PH36 4HX
Telephone: 01967 431 335  |  Mobile: 07585 910 058  |  Email: steven@smarshall-photography.com
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