Friday, 6 December 2013

Observing the Autumn-Winter constellations

Our observation yesterday December the 5thWe gather students, parents and teachers of the San José School and Nuestra Señora de la Merced School, 25 people in total.

Despite the traffic jam, we managed to reach the observation area at 7:30 pm. It was cold but we were looking forward to watch the autumn and winter constellations.
Firstly we located the Big Bear galaxy ( Ursa Major ) and the Polaris star,  the first step to get oriented  into the night sky. Then the Ursa Minor constellation.
We observed Venus ( waxing crescent like the Moon, it was like a little Moon ). After that we observe the 2-3 days old Moon, and the Mare Crisium on it .
Then we moved to the  summer constellations which were disappearing : Northern Cross ( where were Denef and Albireo stars) , Lira ( where is Vega, a green star ), and the Eagle ( where is Altair star ).
It was very difficult to observe Capricorn, an Aquarius because of the Madrid light pollution. However we where able to observe Pisces and we watched perfectly Pegasus and Andromeda constellations. All of us were delighted when we watched the Andromeda galaxy on the telescope.
As Jupiter was just appearing on the horizon we observed it and its four main moons ( Io, Europa, Ganymede, and Callisto).
To continue with the observation we moved to Taurus by identifying the Pleiades ( or seven Sisters, it was like a little Ursa Major ) and its main star Aldebaran ( a big red star).
At that moment, most of us were already  frozen. To finishing  the star tour we observed the constellations  Perseus, Auriga ( autumn-winter constellations), Casiopea, Cepheus, and Draco ( circumpolar constellations ), and M15, a globular cluster in the  Pegasus constellation.
In conclusion,  there was a clear and clean sky night. It was great  in spite of the freezing cold weather and we had a lot of fun and enjoyed it.

Join us for the next Spring star tour. We will review some of those constellations and to observe a lot of new ones.




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