In October of this year, after 11:00 on Saturday, Colombians will see how the Moon obscures the Sun’s light. solar eclipseUnlike what occurred in 1991, the total (the moon completely blocks the sun disk), to be to cancelwhich means that we will see part of the Sun in the form of a golden ring around the natural satellite, which we will see in total darkness.
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A total solar eclipse in 1991 was observed by many amateur astronomy groups in Colombia.. Eclipse hunters have crossed national territory to find themselves just below the Moon’s shadow.because, as the name suggests, this is where you can see the astronomical phenomenon in all its glory.
I was only 11 years old and I don’t remember being told about it at school, I did not have the opportunity to prepare for this unique phenomenon; Of course I went out to see him and we were talking about it with friends on the street, but we were all equally surprised.
Now, I would like to invite the residents of Colombia to prepare now. Colombian Astronomy Network and all the astronomy friends in the country. Next, we share some highlights to better understand and enjoy what we’ll see in October.
A An eclipse is an astronomical event that occurs when the Moon comes between the Sun and Earth.. The Moon’s shadow (umbra) is projected onto Earth, drawing a band through which the eclipse can be seen as a total or annular. An observer outside the totality or penumbra band will see a partial solar eclipse.
This type of eclipse occurs when the Moon is further away from Earth than usual, that is, when it is at its zenith. Generally, The Moon is 384,000 km from Earth. At the time of the eclipse, the Moon is at just over 400,000 km at its zenith, so it cannot cover the entire Sun’s disk, making part of the Sun visible; A bright ring around the Moon known as “ring of fire”.
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We recommend that you follow the programming that we will present from now on from the Colombian Astronomical Network, among which you will find astronomy conferences on the Sun, eclipse, preparation for solar photography, workshops for teachers and students. You can access the Circular, our monthly publication, at www.rac.net.co. Moreover, We invite you to visit the planetarium or science museums in your city for an update..
Consult which astronomy groups are in your city where generally day and night telescope observation sessions are held. This will let you know how these optical instruments work, if you have them, or if you don’t, it can ignite your passion for sky-watching with future-proof instruments. It’s always good to have a hobby.
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Despite Since the annular eclipse of the Sun can be seen without instruments, it is vital to have certified eyeglasses for directly observing the Sun., you will also find some ways to look at this indirectly in our circular. It is very dangerous not to follow the recommendations for seeing the sun.
If you already have a telescope or binoculars, it is important that you start preparing the custom filter. It is possible to make one by purchasing the right material to do this: Thousand Oaks Optical sheet or Baader Planetarium Mylar sheet.
the first one SolarLite polymer solar film for speckle and granulation monitoring, The sun appears orange. The second option is an aluminized plate with the Sun in sight, the condition of the filter must be very well verified before observation.
We especially recommend the first one, as it is more durable and soft. It is very important that you seek advice from our experts at [email protected] or planetarium stores in Medellín, Bucaramanga, Barranquilla and Bogotá before purchasing these solar filter sheets.
Among other things you need to prepare to make the most of this phenomenon is choosing where you want to see it. There are several cities and municipalities in Colombia that will be included in the IPO band. from Nuquí – Chocó; Trujillo goes from Tuluá in Valle del Cauca or San Vicente del Caguan in Caquetá to La Pedrera in Amazonia.
From all these regions it will be possible to observe an annular eclipse. in the north of Colombia, for example in Cartagena, It will look like a partial eclipse where the Sun will be covered by 76 percent by the Moon..
The invitation is to turn all of us into the daytime sky by taking the necessary precautions on October 14th. It is an invitation for girls, boys, teenagers, adults, grandparents. It is very important to have at least 14 number welding glass to face the sun direction!
The event will last just over 3 hours, two football matches in a row! And the annularity event will last just over 4 minutes in the umbra regions over Colombia. Consider this phenomenon an ideal moment to reflect on how important the Sun is to life on Earth and to marvel at the amazing phenomena our universe has to offer.
Angela Patricia Perez Henao
President of the Colombian Astronomical Network – RAC
Source: Exame
