Aldebaran Occultation

22 March 1999

The Moon hide the bright star Aldebaran behind its disk on 22 March 1999, what made that occultation a remarkable one is that occultation was the last one for Aldebaran by naked eyes from Jordan until 14 March 2016 !!

We observed this event from Al-Qala'a Mountain's ruins, and as we reached the place we took several photos for Aldebaran and the Moon among the columns. Also, some photos were taken for the occultation through a 3-inch telescope.

The astronomical calculations showed that the Moon will hide Aldebaran at 21:35:41 local time (UTC+2) as seen from Amman, the capital of Jordan, and so the Occultation Observation Committee in JAS went to observe this event. At that time, we switched on the radio to hear the time signals (A special station which transmits the time as a Peep every second continuously). In Jordan the best one is that transmitted from Moscow. It can be heard at the Shortwave band at 2.5, 5, 10, 15, 20 MHz. But mostly you will need an external antenna. Anyway, we were able to see Aldebaran until 21:35:40 (UTC+2), and as we heard the the 41st peep the star disappeared. WooW !! What an accuracy !!! Aldebaran disappeared exactly at the same predicted SECOND !! As for me I estimated the disappearance at 21:35:41.2 (UTC+2).

Unfortunately, as Aldebaran disappeared behind the Moon, the weather became cloudy, and we couldn't observe the reappearance. The observers were: Eng. Khalid Al-Tall, Ahmad Al-Naimat, Hani Al-Dalee, Mohammad Murad, and Mohammad Odeh.


The observers among the columns !
Notice Aldebaran (as a small dot) near the bright Moon. 3-second exposure.
By Moh'd Murad & Moh'd Odeh.

Through 3-inch Telescope
At 21:26. One second.
By Moh'd Odeh.

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By Moh'd Odeh. Jordanian Astronomical Society (JAS), All Rights Reserved. This material may not be reproduced in any form without permission. For more information Send E-mail or contact us at : The Jordanian Astronomical Society (JAS), P.O.Box 141568, Amman 11814 Jordan