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Photographing solar eclipses

General information about Photographing Solar Eclipses

Photographing solar eclipses is not so obvious due to the rarity of the phenomenon. So you don't get much chance to experiment. So it is best to prepare yourself well in order to photograph a solar eclipse beautifully and in detail. This section can be a great help.

Why do you think you have anything meaningful to say about solar eclipse photography?

The tips & tricks below are based on my own experiences. For years I was travel and expedition leader for Belgian-Dutch groups of amateur astronomers to total solar eclipses in various places around the world. A total of thirteen trips took place and this to all corners of the world. An overview:

  • July 22, 1990, Joensu, Finland (Total solar eclipse)
  • July 11, 1991, La Paz, Baja California, Mexico (Total solar eclipse)
  • Nov. 3, 1994, Rio Mulatos, Bolivia (Total solar eclipse)
  • Feb. 26, 1998, Maracaibo, Venezuela (Total solar eclipse)
  • Aug. 11, 1999, France (Total solar eclipse)
  • 2000, Greenland (Partial solar eclipse)
  • June 21, 2001, Zambia (Total solar eclipse)
  • Oct. 3, 2005, Spain (Annular eclipse)
  • Aug. 1, 2008, Mongolia (Total solar eclipse)
  • July 22, 2009, China (Total solar eclipse)
  • November 13, 2012, Australia (Total solar eclipse)
  • April 8, 2024, USA (Total solar eclipse)

So what total solar eclipses have I really been able to see: Mexico, Bolivia, Venezuela, Zambia, Spain (annular), Mongolia, Australia and the USA: 8 out of 12 were a success. Success rate is thus 2 out of 3. Totality phase not seen because of cloud cover: Finland, France, Greenland, China.

In 1991, we, this is Project and People's Observatory AstroLAB IRIS (of which I have been the president for more than 40 years), participated in an experiment of the solar physicist Dr. Clette of the Royal Observatory of Belgium. We took pictures of the Sun during the totality phase in La Paz (Mexico) in polarized light. We even built a real polarization filter holder for them.

As an expert by experience, 12 eclipses in a span of 35 years, I think I know quite a bit about it then, and may be fairly well placed to tell one thing and another, concrete and practical, about it after all 😉

How does a solar eclipse occur ?

A solar eclipse occurs when our Moon aligns exactly in front of the Sun. Because the Earth, Moon and Sun are aligned, the sunlight can no longer reach the Earth. A black hole, as it were, is created in front of the Sun: it is eclipsed.

Note that the Sun is never eclipsed at once in all places on Earth. No, there is only a certain zone, called the totality zone, where the Sun and Moon are exactly in line with each other and thus the total solar eclipse will be seen. Watch this video about the April 8, 2024 solar eclipse (which we observed from the USA) as seen from the GOES-16 satellite: it shows well that the Moon casts a shadow on the Earth. This shadow moves with incredible speed over the Earth's surface. Or to put it another way: during a total solar eclipse, you are in the Moon's shadow! To experience the solar eclipse as "total," you must stand in the Moon's core shadow. If you stand in the Moon's penumbral shadow, you will see a partial eclipse. Outside of the Moon's core and penumbral shadow ... you will not see the Sun eclipsed.

Interlude: about the distance Earth - Moon

Did you know... the Moon is about 400,000 km from Earth, while the Sun is about 150,000,000 km from Earth? Say roughly 400 x farther. However, the Sun is also about 400 x larger in diameter than the Moon so they look about the same size in the sky.

So actually it is a incredible coincidence of nature that the apparent diameters of Sun and Moon about the same are. That is, in the sky they both look about the same size. It could easily have been that the Moon was farther away from Earth and therefore would have looked much smaller. Or just circled much closer around the Earth and would have looked much larger. Right?

Momentally, the Sun and the Moon have about the same apparent diameter in the sky and therefore the Moon can exactly cover the solar disk. Note that in the future, we are talking about tens or hundreds of thousands of years, it may be so that there will be more or less solar shadingn are going to come when the Moon at a different distance from Earth will get stuck.

The Moon is currently moving away about 3.8 centimeters per year of the Earth. This is measured with the laser reflector that is Apollo 11 astronauts left on the lunar surface (see photo below). Per century, this means that the Moon moves 3.8 meters away from Earth. Ever so there comes a period when the apparent moon diameter too small has become to still have total solar eclipses.

Apollo 11 Lunar Laser Ranging Experiment

Tip: do you want to know which distance the Moon today of the Earth is, please take a look at the websites Time & Date or Calendar 365. Retrieved from November 5, 2025 the Moon, for the year 2025, was at its closest point (the so-called perigee): 356,833 km. Retrieved from November 20, 2025 she stood, for the year 2025, at her farthest point (the so-called apogee): 406,691 km. When the Moon comes very close to the Earth this is called a Supermoon. Nothing special reallywere it not for the fact that at that time the apparent diameter of the Moon will be slightly larger. But also no more than that. Under normal circumstances, you can't really notice that difference in size with the naked eye. In the press this totally overrated. But then again, people want sensation!

What types of solar eclipses exist ?

There are several types of solar eclipses, namely: total solar eclipse and partial solar eclipse. An annular solar eclipse is another case in point. Each requires its separate approach. As an aside, internationally, total solar eclipses are abbreviated with the acronym "TSE." This stands for "Total Solar Eclipse."

How does a total solar eclipse occur ?

The Moon does not always orbit 100% at the same distance from the Earth. In fact, its orbit around the Earth is somewhat elliptical. So the actual distance from Earth will not always be 400,000 km: sometimes it is a little more, sometimes it is a little less. So that means that sometimes the lunar disk is a little larger, sometimes a little smaller.

To have a total solar eclipse, at the time the Earth, Moon and Sun align, the Moon must be exactly the size of the solar disk. Then the Moon exactly covers the entire solar disk. Actually, we may speak of a star covering: after all, the Sun is a star, our Day Star.

Because the entire solar disk is perfectly covered, we can clearly see the solar atmosphere: that is the part of the Sun that lies just above its visible surface (called the photosphere ). In that solar atmosphere we can sometimes (say usually) see one or more solar eruptions (these are called prominences - the pinkish-red bulges at the solar edge in the photo below). The part that lies above the photosphere is called the sun's corona. If you have taken sharp images then you will see streaking structures (outliers) in that corona. We call these streamers.

The sport now is to capture these fine structures (prominences as well as streamers) as sharply as possible. Be aware that these streamers can extend far beyond the solar surface. In short exposures you will see the inner structures of the solar atmosphere (with its prominences). With longer exposures, these prominences will become overexposed, but you will see the outer streamers in the Sun's corona: you are then mainly photographing the outer corona.

Short exposure example: 1/500 second exposure
This is a crop from a larger photograph.

Example of a longer exposure: 1/30 second exposure (16x longer than the above shot)
Photo edited to show as much of the inner corona as possible.

Example of a longer exposure: also 1/30 second exposure
Photo edited to make as much of the outer corona visible as possible. In this, the inner corona is then a bit overexposed, but you can nicely see the extended streamers. Streamers you can certainly have up to one solar diameter outside the solar disk. The color details you see in the Moon's surface are caused by the fact that the sky was not completely transparent: we had some light, high cloud cover. So they are not surface details of the Moon that you see 😉.

How does an annular solar eclipse occur ?

An annular solar eclipse occurs when Earth, Moon and Sun are aligned, but the Moon is just a little further away from Earth than in a total solar eclipse. Farther away from Earth means that the Moon will show a bit smaller in the sky and therefore can no longer perfectly cover the entire solar disk: you will still see a ring of sunlight around the black Moon.

There are few amateur astronomers who will move to go record such phenomenon. Why this is? Very simple: with an annular solar eclipse, you don't get to see a solar atmosphere (corona). So: no streamers, no prominences, etc. : after all, these are irradiated by the sunlight still coming through the ring.

Note: So an annular solar eclipse is always photographed with an appropriate solar filter, a total solar eclipse without a solar filter.

Do solar eclipses occur frequently?

Every year , on average, about two solar eclipses occur. They are therefore not always favorable, though. It may be an annular rather than a total one. It is also possible that it can only be seen over the sea. To give just two examples.

In any case: solar eclipses can be predicted years in advance. Fred Espenak, blissfully of NASA, once generated an overview of all solar eclipses for about 5,000 years. Yep, 5 millennia. You can find it on this NASA website: "Five Millennium Catalog of Solar Eclipses".

Predictions are sometimes shown on the same world map. Below is a world map of predicted solar eclipses for the period 2012-2045. You will note that certain solar eclipses take place after 18 years in similar conditions (albeit somewhat shifted relative to the Earth's surface). Indeed, there is such a thing as series of solar eclipses. We call this 18-year cycle a saros series. Example on this map: the solar eclipse of August 2, 2027 belongs to the same series as the one of August 12, 2045.

When will there be another (total) solar eclipse in Belgium ?

The next total solar eclipse will take place in Belgium on Sept. 23, 2090? Just a little more patience: only 65 years to go!

However, the next eclipse we can experience in Belgium will already be there on August 12, 2026, but that is only a partial solar eclipse - not a total one. It is this eclipse that many, including ourselves, will experience in Spain. Some will travel to Iceland for this. You can see the totality zone shown on the world map above.

Is there an alternative to photograph the solar atmosphere ?

Yes indeed. Astronomers do not wait for a total solar eclipse to observe the corona of the Sun (i.e. the solar atmosphere). There are really too few natural total solar eclipses for that. They use a special telescope that shields the Sun with a cone. This cone blocks the sunlight and is thus the surrogate for the Moon during a real eclipse. We call such an instrument a coronagraph.
If you want to photograph the solar atmosphere when there is no total solar eclipse, go and have a look at Project and People's Observatory AstroLAB IRIS (Ypres, Belgium) or at one of the 5 other people's observatories in Flanders.

Where do I buy safe sunscreen or eclipse glasses?

One of the references in the field of solar filters is the company Baader Planetarium in Germany. You can buy these filters among others at the AstroShop here in Belgium. Examples of Baader solar filters already cut and mounted in advance can be found here. You can also buy such filter paper per roll but then you still have to cut it to size and attach it to your telescope or lens. Here you must always be careful that the filter is attached so well that it cannot blow off during the observation session! Rising winds or a passerby can throw a spanner in the works.

If you are looking for ordinary eclipse glasses, which you can put on during the partial phase of a solar eclipse, you can also find them at astroshop.be. You can also get such eclipse glasses at one of the 6 Flemish public observatories.

How do I plan my next total solar eclipse?

It is important to be well organized in several ways:
1) strategic (choice of solar eclipse, location on Earth: accessibility, accessibility, climatic conditions, geological stability, political stability, health risks, ...)
2) tactical (on site: checking weather reports, prospecting the observation site, inspecting the equipment brought, ...)

Strategic considerations

To organize a successful expedition, you need to be well informed beforehand. A total solar eclipse is visible only in a certain strip of the Earth. And that at a specific time. This covering strip can easily be, say, 200 kilometers wide and thousands of kilometers long. So it will have to be decided WHERE exactly within this covering strip you will want to observe. In the middle of the strip (within that 200 kilometers say) you will have the longest coverage time for that particular total solar eclipse: at that so-called central line, the Moon will be exactly in line with the Sun. Therefore, it will cover the Sun there the longest. If you go away from that central line, then you will always get a shorter duration of totality. If you go just outside the covering strip, then you will have only a partial solar eclipse. Every amateur astronomer will try to go AT that central line, of course, what did you think?

Second question that arises then is: where somewhere on the globe will you stand on that central line? Because as said: that central line can be thousands of kilometers long. Well, in one specific place, for that specific total solar eclipse, the coverage will be longest. Where is that place then ? Well, that is all calculated in advance by professional astronomers. For each total solar eclipse, NASA publishes a special book, called the "NASA Eclipse Bulletins," with all the necessary data, maps, times, and so on. This used to be done by the popular Fred Espenak. However, the latter recently passed away on June 1, 2025. From now on, we have to make do with other sources of information such as, for example, the website EclipsWise. There you can check when the next total solar eclipse is coming up. Currently, the astronomical world is organizing to observe the 2026 eclipse. It will take place on Aug. 12, 2026.

Let's take a quick look at the predictions for this eclipse:

So what should you pay attention to when looking at such a world forecast map? For now, it is only important to look where the dark blue strip runs. It will be clear to everyone that you will be able to see a solar eclipse only when the Sun is already up and also when it has not yet gone to sleep. These two things determine the beginning and the end of the observation strip. You can read on the map that the dark blue strip runs from somewhere at the North Pole, already across Greenland and Iceland to finally reach mainland Europe in Spain. So basically you already know for sure that if you will stand within that strip you will definitely be able to see the total solar eclipse.

Then you're going to go and see where there is a star indicated within that dark blue strip: in this case, the green star is right over Iceland. Well, it is there, on the central line, that the solar eclipse will last the longest. So, in principle, all amateur astronomers would want to trek there. Law that the totality duration can run from a few seconds to a maximum of about 11 minutes. It can be calculated that a total solar eclipse can never exceed this limit. However, it is zer exceptional that this limit is reached. Typically, a total solar eclipse lasts only a few minutes. Needless to say, we want to maximize this duration. And you do that by choosing a place close to that star.

Now why don't all amateur astronomers go to that place with a star designated? Very simple: it has to do primarily with local climatic conditions. What is the point of going to a place where the totality time may be the longest (and therefore you will be able to take maximum pictures) but where you have little chance of seeing it because it is cloudy? There you have it already: the game changer within the totality band are the local climatic conditions.

To summarize: it all comes down to finding a place ánd where you still have a considerable number of minutes of total solar eclipse duration ánd, very important, a maximum chance of nice weather. And that is exactly the reason why for the total solar eclipse of August 12, 2026, not Iceland is chosen as top destination by many amateur astronomers, but Spain.

So at this point you already know where, roughly speaking, you will be observing: you have chosen a location within the totality belt, close to the maximum point, on the central line and with a reasonable chance of good weather. What then determines the choice of location? The following elements may also play a role in determining an observing location:

  • accessibility: sometimes the "star" (indicating the location where totality will be maximum) is right over some sea. 't yeah, that's not so reachable.
    • Do know that there are some tour operators who sometimes organize eclipse tours by ship to such locations. A ship can be quite stable and you can photograph from it as well.
  • accessibility: sometimes a certain area on Earth is okay in principle, but there are no roads, high mountain ranges are in the way, and you name it. Such locations also already fall off.
  • The size of the observation group: If you go out with a larger group then there will still be a minimum tourist infrastructure must be available. If you are in a smaller group, you can quickly work out a solution based on tents, for example. If the group is larger and there are some less mobile people along, then hotels may be more appropriate.
    • I myself have been traveling with groups of 2 people to larger groups of 55 people. That is of course a world of difference. For one trip you have to prepare almost nothing, in terms of accommodation I mean, but if you go on a trip with more than 50 people, that no longer works. Then everything has to be fixed months in advance. When we went to Bolivia with about 25 people to observe (in Rio Mulatos), we had to set up a real expedition: there was absolutely no tourist infrastructure, no food, no transport, ... . There you would be in the middle of the plateau between two chains of the Andes. Therefore, we had set up everything from the capital city of La Paz and brought everything from there: tents, jeeps, cooks, guides, drivers, food, and so on. Then in Rio Mulatos we stayed very simply in a local school. So it is all a matter of organizing well all in time. Do not underestimate this task. Also in Mongolia we took everything with us from the capital. Sometimes it is best to assume that nothing will be there. If it is there, all the better. Always assume the worst possible scenario: that is the message I can/should and want to convey.
  • the geological condition: can also play a role: ideally you're not going to observe near some volcano, an earthquake-prone area, and so on, anyway.
  • the political situation: it is best to go to a country where there is some stability, where people are not just kidnapped (by the government [cf. Iran], or by rebels). For example, I can tell an anecdote where we were invited to Venezuela by a local. He was armed because we were close to the Columbia border. It was then known that foreigners were being kidnapped there for ransom. However, on paper, Venezuela was a good destination. Things can change...
  • the health risks: Some regions are known for certain problems: certain viruses are present in certain regions (malaria, for example, or COVID 😉 ), drinking water can be contaminated, animals are reared and/or slaughtered in appalling conditions, and so on. Keep these risks in mind! There are several measures you can take:
    • Inform yourself well in advance!
    • Drink only water from bottles that were industrially filled, or soft drinks.
    • Eat local meat: prefer chicken to red meat, always well-done
    • Get U on time and vaccinated. You even need an international vaccination card for some areas.
    • If sexual contact occurs: condoms!
  • the tourism opportunities: when you choose a location, and you have a choice between a number of equivalent locations in terms of totality time, weather forecasts, etc., the opportunity to visit a particular area may also play a role. Suppose you can choose between Mongolia and China, and you have never been to Mongolia before, that too may influence the final choice of observing location.

If you are not sure if a certain place is really 100% suitable (because you can't vaccinate in time, because you can't get everything organized as it should be, ...) then choose another location. Don't take unnecessary risks! At least not for a few pictures of a total solar eclipse...

Tactical points

Suppose you had finally chosen a location and you are finally on site. Even then, you will definitely do some things best. You chose the location based on climatological observations: isn't it normally too cloudy for that time of year? Once on site, you will have to keep an eye on the real weather forecast for the day and act accordingly.

It is advisable to be in some kind of base camp several days in advance (at least 24 and preferably even more than 48 hours). At that location you can review all the technical equipment, possibly get to know local people or organizations, and so on. You make sure you have good local maps: internet is still not available everywhere and/or all the time. Of course, with a solution like StarLink you already have more leeway.

When determining the final observation site, you will usually try to find a place that is close to the central line. It is also best to find a place that you can easily reach by car, but also a place where you can, very last minute, switch to other locations if necessary (unexpected cloud cover, for example). It is then an advantage if you have a local road network that gives you these diversion possibilities effectively. Make sure you are locally mobile. Last year in the USA we drove over 6 hours before finding our final sighting site. Had we not been mobile, we simply would not have seen the total solar eclipse.

What lens do I use to photograph the solar eclipse?

Of course, this depends on what you want to photograph: if you want an atmospheric shot of the dark landscape with or without people cheering, go for a wide-angle lens. If you really want to capture details in the corona, you will quickly end up with the longer telephoto lens. Personally, I would say at least a 400 mm. If you want even more detail and a frame-filling effect, you might even use a doubler to get to 800 to 1000 mm focal length. Below I give some examples of pictures with the Sun up and this at various focal lengths: 16 mm, 400 mm, 1000 mm. These are all full frame pictures, no cropping. This way you can estimate how big the sun image actually is in relation to your sensor (in my case 36 at 24 mm each time). They create real expectations, not "wishful thinking".

Those who really want the greatest resolutions will take a larger, but still compact telescope (with tracking mount). You simply have to have a larger lens to get more resolution. Note that we are not talking about a lens with a longer focal length. It is the diameter of the lens that determines the resolution, not the focal length. Do not forget that a camera lens is actually also a small telescope. But in this case we do mean refractors with a lens diameter of 80 or 100 mm minimum. With these you can capture even finer details in the corona.

How do I organize photographically?

Once on site, you start setting everything up.

Tip: during totality it will be particularly dark. Many people misjudge this. If during totality you need to make some adjustments to your setup, you may need a weak LED light. If necessary, get an LED headlight: it will stay on your head so that you always have it at hand. Don't turn it on too loud so as not to disturb other observers. Only turn it on in emergencies.

You will already need to set up your tripod at a minimum.
On a stable ground (be careful with sand or snow as they are usually not 100% stable).

Tip: Also, choose a location where no one can suddenly stand in front of you or too close to you. It wouldn't be the first time during an eclipse that someone casually bumped into your setup. And then, of course, everything was for nothing! Best to take care of some seclusion around your observation site and certainly in the direction in front of you.

To photograph the partial phase: start by putting the solar filter on your lens FIRST and then pointing at the Sun. Not the other way around! So don't point your lens already without the filter first because then you may soon have an overheated or permanently damaged sensor.

Now install your camera and lens on the tripod.

Focus the camera at infinity.
Be careful with this because the fact that you have installed an additional filter or just removed it, for example, can cause the focus point to shift a bit. Don't just assume that once focused this will be OK for the entire observing session. A total solar eclipse, including the partial phases, easily takes about 2 hours. During that time your equipment can also warm up. Also be careful with zoom lenses: it is possible that zooming in or out causes the focus point to drift! So be sure to check the focus point several times. There is nothing worse than being in the right place at the right time but still going home with slightly blurred images.

Photographing the partial phase, that is, with a filter, is actually simple. Make sure you print without having to press the camera. Otherwise you have the danger that your camera/lens is still vibrating out while the shot is happening. Either you have to make use:
- of the delay mechanism (some cameras have a setting for this that allows you to postpone shooting for 2 or 10 seconds, enough to be out of shake when the electronic or mechanical shutter opens and closes)
- or you use a mechanical or electronic remote control.
Some SLRs also give you the option of folding up the mirror prematurely. Check that in your camera's user manual.

When the big moment arrives, the first thing you will have to do will be to stay calm, keep a cool head. Some people start acting weird once the totality phase has arrived. It has become very dark, people spontaneously start shouting or just become silent, others are just overwhelmed by the phenomenon. You know you only have a few minutes at most, don't panic and everything will be fine. So stay calm and rigorously work through your predetermined photography schedule.

What such a photography schedule looks like?
1) check your image setting (is the sun still nicely centered?)
2) recheck the focus one last time
3) shoot at different shutter speeds - whatever speed you will choose, there will always be something on it:
- at slower speeds: the inner corona and prominences
- at medium speeds: inner parts of the outer corona
- at slower shutter speeds: outer parts of the corona.
So a good scheme can be to work with manual setting and go through the full row of possibilities in terms of shutter speeds: e.g. start at 1/1,000, then 1/500, 1/250, and so on until you have several seconds of exposure.

Tip: when you go to shutter speeds on the order of one second to a few seconds, know that - if you want to take the sharpest, most detailed pictures, your camera/lens combination will need to be installed on what is called a tracking mount. A tracking mount is a tripod with a motorized head that operates at such a speed that it nicely follows the apparent motion of the Sun in the sky. At slower shutter speeds, such a tracking mount is not necessary. There are light(er) tracking mounts specifically to take with you in your travel luggage. In other words, a travel mount.

What moments are important to photograph?

During a total solar eclipse, there are certain moments you want to capture as a photographer. That's just "the sport" of many of them:
- the hours before the phenomenon really begins you can use to photograph the photographic atmosphere. It is a good time to test everything again: stability of the setup, focus, and so on. When doing this, don't forget to use a good solar filter! Normally you will be able to see at least one sunspot.
- the moment when you first see the Moon taking a bite out of the Sun (partial phase begins)


- the moment that the Sun lets just a single ray of light through at the edge of the Moon: because the surface of the Moon is not smooth (there are mountains and craters), it is possible that you will see several rays of light that just get through. We call this "the diamond ring": you see as it were a ring (the inner corona of the Sun, with possibly a red prominence here and there) with a diamond on top: a piece that will be overexposed in your picture.
Tip: To capture this moment you have to be very fast: it only lasts a few seconds at most! If you want to be sure to capture it, put your camera on "time series" setting (e.g. Continuous High-Speed on Canon cameras).
- the moment the Moon completely covers the solar disk: this phase can last from a few seconds to a maximum of 7 minutes 32 seconds (that is the theoretical upper limit, a total solar eclipse can never last longer! The longest duration in terms of totality I already had myself was 6 minutes and 53 seconds (La Paz, Baja California, Mexico on July 11, 1991) and I may never be able to experience & match that again.

Which are the most detailed photos ever taken of a solar eclipse?

Look at the below image that appeared on the so-called "Astronomy Picture of the Day" (abbreviated as APOD) on April 2, 2024. I recap it here. (c) Phil Hart. If you want to know what equipment such a picture was created with, go check out Phil Hart's website. I'll tell you this: it was taken with a 15 cm lens viewer. You can already handle higher resolution work with that. Impressive result isn't it?

More than 99.99% of amateur astronomers will not come home with such results. But not to worry, we all do it ... for sport. Right? 😉


How else can I be photographically creative with solar eclipses ?

This is certainly possible. Here are a few examples: you can make time series such that you can show the evolution of the phenomenon in the sky, you can project the sun instead of photographing it directly, you can stitch together wide-angle shots of the phenomenon or real panoramas of the observation site. The "sky is the limit" in this one. Already some telling examples.

Internet information from and about Photographing Solar Eclipses

Internet information on:
- the phenomenon solar eclipse: Wikipedia (EN - FR - AND) - YouTube (EN - FR -AND)
- the Saros cycle: Wikipedia (EN - FR - AND) - YouTube (EN - FR -AND)

Other interesting websites related to solar eclipses:
- NASA Eclipse Web site
- Five Millennium Catalog of Solar Eclipses

Our photos about Photographing Solar Eclipses

Photos of the Annular Solar Eclipse of Oct. 3, 2005 (Madrid, Spain)

Photos of the Total Solar Eclipse of April 8, 2024 (Lake Clear, USA)

The local conditions were actually basically very good; We had wem high cirrus clouds. That there were many ice crystals in the sky can be seen in the halo we could photograph around the Sun. During the partial phases, which are phases when the Moon has only moved a little bit in front of the Sun, you still have tophotograph the Sunwith a special light-attenuating solar filter. Then you can immediately see if there are any sunspots on the Sun's photosphere. In our case, a few sunspots were visible. When you take sharp pictures, you will see that these spots have a dark part and a less dark part (we call these the umbrae and the penumbrae).

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