The imaging of the solar system main bodies is often taken with a simple
webcam inserted into our telescope. The results are really wonderful.
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The solar system is our home among a huge space called Universe,
populated by giant islands of stars, called galaxies, and by an enormous,
nearly empty, extremely cold space, which size is impossible to imagine
for every man.
The solar system, despite the size much greater than any
experience, is just a little dot into our Galaxy, but it could be a very
Frequently, the amateur astronomes leave out
the observation of our neighbourhood, taking a look to the farther
objects like galaxies, nebulas and star clusters.
Of the other hand, the
novices think that the imaging of the planets is
restricted to the professional community equiequipped with larger and
powerful telescopes. This is completely FALSE.
Our solar system, the
planets, moons, comets and asteroids are wonderful bodies, easy to study
with any telescope. You just need a small, good quality telescope, which
will show you unbelievable featues, very similar to the results taken
with the biggest telescopes.
Often the results will be useful to the
professional astronomy community.
Features and details to capture are a lot.
Venus has a complitcated
clouds system wich rotates in few days and change its aspect from one
day to another.
Mars has a thiny atmosphere with a dynamic similar to
our Earth's: clouds, haze, and huge dust storms can change its aspect in
Jupiter has an atmosphere so rich in features that it is nearly
impossible to identify all the details. The 4 galileian moons adds more to
this celestial show. The angular size of the main moons are about
1,5" (arcseconds); this means that your 20-25 centimeters telescope is able
to detect their disks and some large details, especially on Ganimede,
the largest moon of the solar system.
We want to talk about Saturn? The ringed planet is the best show you will ever see through a
telescope. Its atmosphere is similar, but quiter, than Jupiter's and the
ring system is awesome. During the years the inclination of the planet,
included the rings system, changes and show you always a different
portrait. A 25 centimeters telescope and a normal webcam (or a planetary camera)
will allow you to idenfity clarly at least 5 rings, but you could see
Talking of the Planets, we have not spoken about the Moon and the Sun,
respectively our natural satellite and the star wich brings all solar
system together. The moon is a real luna park for everyone. Its
proximity to our planet give us the unique chance to study it depest.
Your 25 centimeters scope will show you features smaller than 500 meters. Craters, mountains, highlands, valleys, slopes and much more is waiting
Our star, if observed and imaged with a good solar filter, shows an
aspect totally hidden by its huge brightness. Its gassous surface teems with a
giant sacs of gas, called granulation; they are just large bubbles of
gas, with a typical size of some hundreds of kilometers which go up from the depths and then, once reached the surface (photosphere)
get cool and go down again in few minutes.
The whole photosphere seem to
be a vaste boiling pot.
Sunspots are the most famous details of the Sun;
theis size is often many times the size of the Earth and change rapidly in
If you have the chance to observe and image with some
particular solar telescopes (equipped with H-alpha or Calcium filters),
you will discover much many featuers, like prominences, huge columns of
hot gas ejected from the surface, and much more, like the cromosphere,
the spiculae, the cromospheric network.
There is enough fun and science for everyone!
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