Select your language  
BREAKING NEWS: The 14th National Festival in Popular Astronomy- 08-10 October- 2015 ... The new Sirius Mirror issue ... Sirius get a first prize at the 100 Hours of Astronomy Intl. Competition ... The Arabic mirror of the Astronomy Picture of the Day site is now active ... The Tenth Arab Conference on Astronomy & Space Sciences at Muscat, Oman
Sirius welcome astronomy site
The Scrolling List of events:
Recent events ( 2012 onwards):
Events from year 1996 to 2012 :
arabic page activities
Poster Salpn 2015 Sirius Algerie Science The 14th Popular Astronomy Festival : Constantine, 08-10 Oct - 2015: "20 Years of Exoplanets"
The count down is on for the yearly astronomy meeting for the professional and amateur astronomers from all over the region with its usual rich program. The XXth century is indeed becoming the Exoplanets century. It is also a celebration of World Space Week 2015..... More here
Breaking News
apodar site
Apod Algeria

Sirius get a First prize
at the 100 Hours of Astronomy Intl. Competition
Our Youth Ministry's Congratulation letter
... More

Goodies Column

Sun and Moon now
Click to update the Sun's picture  Current Moon picture

The 10th Sirius Voice Special Issue
for the 2011 Astro Festival

Sirius has opened a forum
of exchange and sharing
Forum Sirius Astronomie
It's open to all!
Go ahead and register !

Few Sites Worth a Visit

One of the best ephemerid site (In French)
Well known Arabic Astronomy site. News...Views...Articles

Site of the:
Syrian Amateur Astronomy Association (saaa)

A true gold mine
Calsky: Perhaps the most complete astronomical observation and information online.
The Must site in Astrophotography

The New Electronic Magazine

produced by the Sirius Youth team led by Hichem. This is the experimental issue. Sorry only in Arabic at this time. Click on the picture to download.
And here's the second issue

The previous issues of the Sirius Mirror

calendar space astronomy from Sirius
The Space Calendar

All the space events for the next two years from JPL Index

View Larger Map 
The Ahmed Saadi Youth Center where the weekly association meetings are held
The "Nadi el-Maarifa", a weekly radio show on Constantine Radio produced by our Association, has become "Dounia el-Ouloum"
Radio program astronomy
...now in its 14th year of activity!
- Follow the program on line every Friday 16:30-17:00 UT, or on FM 93.9
Rewarding the Three Laureates of Cirta-Science7 : 05-11 Sept - 2015: A Scientific Marathon through Southern France visiting the OHP Observatory, the international fusion project ITER at Cadarache, the plateau de Calern facility near Grasse, and the Nice Observatory among other things... More
Crescent Ramadhan Algeria 2015 Eid al-Fitr page for 2015/1436h: The Eid crescent is not going to be seen on the evening of July 16 since the Moon will basically set along the Sun ... Read More
Collective Ftour & Outreach

Sirius organized several nightly events reaching out locally and across three continents... Read More
CCC Constantine astronomy Following the Track of the Cosmic Caravan (CCC):
The unfolding of a success story! Since the past three years, CCC has been moving through cultural centers, schools, universities, youth gatherings throughout the Constantine borders and even others Wilayates. It aims at initiating the public to the mysteries of the Universe and bringing to it the message of science ... More here
Ouargla Science IYL 2015 Light The Ouargla Salon on Popularisation of Science:Ouargla 19-21 May 2015. Sirius was a major partner in this big show organized for the student community of Ouargla University. Both CCC and various Sirius exhibits were mobilized to make this show a success ... More here
IYL2015 Year of Light Année Lumière Algerie The Ibn al-Haytham Days:Constantine 21-22 April 2015. They took place at Mentouri University. They are organized by the Math Depart and Sirius and consist in a Colloquium ("Shedding light on light") and an exhibit : "Cosmic Symphonia". The "Caravan of Light" from CDTA was also present in force... More here
Opening International year light Algeria 11 April The Intl. Year of Light 2015: Algiers- 11April . Kicking off the IYL2015 in Algeria at the Moufdi Zakaria Cultural Palace in presence of the UNESCO Director. Sirius was at the heart of the event with the largest stand of all : 150 square meters of pure display : all the physics of light in the Heaven and the Earth ... More here
Eclipse 20 March Algeria The March 20th Partial Solar Eclipse : Constantine, Sirius will make sure that the public will be able to follow properly this cosmic event The eclipse watch will take place on Friday in downtown Constantine with plenty of telescopes and eclipse glasses .... More here
<vide> Année Lumière 2015 Year of Light Algeria The International Year of Light 2015: Paris, UNESCO. 19 Jan. Sirius was there at the grand opening among the World delegations. It has also set up a rich yearly program of activities to celebrate light both locally and nationally. Ibn al-Haitham, the father of optics, has been taken as the emblematic figure of the celebration ... More here
Salon Sirius 2014 The 13th Popular Astronomy Festival : Constantine, 25-27 Sept - 2014: Bringing Cosmology to the public
Amateur and professional astronomers from all over the region will be converging to Constantine.. The theme this year will be "Man & the Cosmos" and there will be like usual a rich program. It is also a celebration of World Space Week 2014, although due to Eid al-fitr coming in early October we had to advance the date by a week..... More here
Rewarding the Laureates of Cirta-Science6 with a modern day adventure: 08-15 Sept - 2014:. From LHC at its two mammoth detectors ATLAS and CMS, to the Paul Scherrer Institute at Zurich, to the Leibstadt nuclear power plant, to Einstein apartment at Bern, to the Geneva observatory and much more. A septimana mirabilis for the 12 youths of this scientific caravan which crisscrossed this peaceful land... More here.
Ramadhan 2014 Ramadhan pages for 2014/1435h
The Eid celebration should be on Tuesday July 29 for Algeria and the Muslim World according to the crescent visibility and the various astronomical visibility criteria. It could only be Monday 28 of July if based on a visual crescent mis-identification in Algeria or the Arab countries, or if one use the strict computation method uncorrelated with the direct crescent visibility.... Read More
Along the Path of Eratosthenes :
21 June 2014
: Constantine
Measuring Earth's diameter 2200 years after the Alexandrian scholar, that's what hundreds of kids and adults alike will do in partnership with a network of associations across Algeria and the World. Sirius is also part of the SAF and AFA network Journée du Soleil- Pierres Bourge" as well as the network of the Bibliotheca Alexandrina
... More here.
Sirius in Central Africa for the Nov 3, 2013 total Solar Eclipse :
Sirius was invited to participate to the observation campaign for the total solar eclipse going through the heart of Africa after having crossed the Atlantic ocean. Its president was also requested to give public lectures and astronomy workshops at Libreville.. Here is a photoreportage of the trip to Gabon.
The Constantine Cosmic Caravan with Prof.Oluseyi : October 6, 2013
Thanks to the US Cultural Section al Algiers, we were able to have Prof. Oluseyi, a cosmologist and science media star from Florida Institute of Technology to give a series of lectures to the general public, an University audience and Middle School students. Following the trail of the speaker ...
More here.
Algerie Astronomie Festival Popular The Popular Astronomy Festival in its 12th Edition : Constantine, 3-5 0ct - 2013
Bringing together amateur and professional astronomers from all over the region, that's the ambition of these epoch making popular Festivals. This year's theme chosen by "World Space Week" is : Exploring Mars - Discovering Earth ". We will be discussing the new wave of robotic exploration spacecrafts to the Red Planet.... More here and some pictures.
Cirta-Science 5: to the land of the Rising Sun: Japan , 10-17 Sept - 2013
The three laureates of the year 2013 competition went to Japan and visited the Nobeyama radiotelescope and the legendary Mount Fuji in addition to various cultural and tourist peregrinations in and around Tokyo. The group made it through a typhoon and a (mild) earthquake... More here
Ramadan Algerie Special Ramadhan pages for 2013/1434h
The Eid celebration could either be on Thursday August 8 (No account for crescent sighting) or on Friday August 9 according to effective crescent sighting. See our press releases Here and Here ...
As for Ramadhan beginning, the conjunction of the new Moon will be on July 08 at 07:14 UT. The crescent won't be visible anywhere in Algeria as the Moon sets before the Sun in Northern Algeria... Read More
Concluding a busy Year 2013 :
6 of July
, Constantine
It was a long year and all needed a break. An end of the year event was organized at Mansoura's Youth House to celebrate the season's end, assess the year long achievements and congratulate those who graduated. A festive ambiance among much astronomical animation. ... More here.
Along the Path of Eratosthenes :
20 -June 2013

Measuring Earth's diameter 2200 years after the Alexandrian scholar, that's what hundreds of kids and adults alike did from Constantine in coordination with the Astronomy section at the Bibliotheca Alexandrina . Sirius set up a regional network spanning Algeria from East, to West and South reaching till the Djerba Island in Tunisia. The diameter results were quite close to those expected ... More here.
Back to the Big Bang : 16 May -2013
A series of lectures organized by Sirius at Constantine University at the occasion of the physics Masterclass organized by the LPMPS Labo and ICTP-Udine LHC group. The speakers were two high energy experimental physicists from Trieste in Italy. It was about the physics of the LHC and how it may help us understand the Universe at Big Bang time ...More here.

The Constantine Cosmic Caravan in action : April 19, 2013
Launched to coincide National Student Day, the Constantine Cosmos Caravan kick off was from the heartland of the Engineering bloc of Constantine University at the Chaabat Errassas campus on 19th of April. Large crowds were there to take the fascinating journey through day long planetarium shows and an exquisite astronomy exhibit ... More here.

Announcing the Laureates of Cirta-Science V : April, 13 - 2013
Bringing this edition of the Cirta Science competition to a close. The three laureates for this year were announced at this beautiful event held at Malek Haddad cultural center graced with the presence of some distinguished guests from here and abroad... More here.
The El-Bayadh Training Workshop : 2-4 April -2013
A five member strong Sirius team visited this Western Wilaya in t he semi-desertic region of our country at the invitation of the APW and the Youth Directorate there (DJS). It was about training animators of the Wilaya in amateur astronomy as well as delivering public lectures. The program was a sounding success .. More here .
Ouled Djellal astronomie The Rihla to Ouled Djellal and the Rhoufi Canyon : 22-24 March -2013
To the land of Hizia, the legendary folk personage acclaimed in popular songs... except that she really existed. A 32 member strong Sirius team carried out a cultural and pedagogical visit to the Biskra Wilaya and visited her birthplace and her tomb among other things. ... More here.
The Fifth Edition of the Cirta-Science Competition :
Feb. 16 and March 16- 2013

This year's laureates will be heading to the land of the Rising Sun, Japan. The first round starts on Saturday, February 16 at the Malek Haddad Cultural Palace with 500 candidates from 51 High Schools while the 2nd round was on March 16th. Here the link to the facebook page and ... More here
Bringing Astronomy ... to the High Schools: December 2012- March 2013
A strong dedicated group of Sirusiens have started in earnest bringing Astronomy to the High Schools and Middle Schools of the Constantine area. A string of eight institutions have received their visits in the past three months It consists of lectures, animation, astronomical expositions. More here.
The Yearly Astro Retreat 2012: Focus on training: 29-30 December 2012
It has been a Sirius tradition to hold a Winter retreat every year for our members in order to reflect upon our activities and project ourselves in the future. Some retrospection as it were. In addition, we had a rich training program made of intensive courses and workshops.. More here .
Sousse astronomie Sirius Sirius at the First Intl. Forum on Astronomy at Sousse, Tunisia:
16-20 December 2012

Organized by the Société Astronomique de Tunisie (SAT), it brought together astro clubs from the Maghreb and France. Two of our members participated and a presentation on scientific theater was given live by them! ... More here .
Tamanrasset 2012: Getting the First Prize for the Best Astro Exposition at this 2nd National Astro Festival :
19-22 December 2012

Four Sirius members were in the heart of the desert to participate to this Second National Astro Festival. A highly colorful event with many activities and long range trips, including a visit to the Abbée Charles de Foucault retreat at the Assekrem mount... More here .
The Canary Islands Trip for the Laureates of Cirta Science 4 : 09 -14 0ct - 2012
This year's laureates of the Competition went to visit the Gran Telescopio Canarias at La Palma, the largest optical telescope in the World. They also visited the Teide Observatory in Tenerife and various cultural and natural landmarks. A life time trip indeed... More here
Mentouri University Towards a revival of the Scientific Activities at Mentouri University
Sirius, thanks to its strong student component is working to reestablish the traditions of the scientific clubs there. It organized several public conferences with well known astronomers from abroad in addition to help launch the new University Astronomy Club as well as collaborating with it in organizing their Astronomy Day on March 5, 2012
... More here and here
The 11th National Festival in Popular Astronomy: Constantine, 4-6 0ct - 2012
The theme this year will be "The Sun our Home Star" coming in conjunction with the Sun reaching the maximum of activity this year and the next. These epoch making popular meetings brings together amateur and professional astronomers from all over the region. This year's theme chosen by "World Space Week" is : Space for Human Safety & Security "..... More here
The Algerian Caravan for Brotherhood & Science reaching Gaza: 10-15 September 2012
An Algerian delegation of astronomers from various universities went to Gaza to show the solidarity of the Algerian people, and in particular its scientists, with the suffering of the Gazan inhabitants as they are subjected to an inhuman blockade by the Israelis. More Here
Special Astronomy pages on Ramadhan and Eid 2012/1433h
The conjunction of the new Moon of Ramadhan will be on July 19 at 04:24 UT. The crescent won't be visible anywhere in Algeria as the Moon sets with the Sun. ... Read More
As for the Shawwal (Eid) crescent, it won't be visible throughout the Muslim World as the Moon sets earlier than the Sun... Read More
Jupiter's occultation: July 15, 2012
The occultation of Jupiter by the Moon was easily visible from North Africa in the early morning. Members of Sirius were at Djerba following the various phases of this graceful event in the early morning from Houmat Essouk along astronomers from Tunisia, Egypt and Iran.... More here.
Astrophotography Camp at Djerba: A joint Jeunes Science Djerba- Sirius event: 12-15 July 2012
Another joint program across the borders this time, aiming at forming astrophotographers. We had the exceptional collaboration of Babak Tafreshi the TWAN director who initiated young amateurs to this subtle art...More here
More Here on the Previous Sirius Activities (Prior to 2012)...

The Scrolling List of events:
Recent events ( 2012 onwards):
Events from year 1996 to 2012 :

arabic page activities
Some Good Sheets
Our Observations
Total Eclipse of August 11' 1999
By: Chamseddine Mouatsi
(In Arabic)

An Islamic View of the Universe
Modern Cosmology in the Islamic Worldview
By Bruno Guiderdoni (Institut d'Astrophysique de Paris)
Les Lentilles Gravitationnelles
By: Sihem KALLI
(In French | Arabic )

A GEM from Arthur CLARKE
The well known scientific writer and deep humanist thinker 

Ramadhan pages
Radio program astronomy


Want to write an article?
Go ahead, take your pen and send us your article siriusalgeria@hotmail.com

are the Visitor Number:

Locations of visitors to this page
Association Sirius d'Astronomie
B.P 18, Cité du 20 Août, Constantine-25000, Algeria
Tel: +213-771 560658 | Fax: +213-31-93.52.23
Last update:05/ 08/ 2014
All rights reserved © Sirius 2014

Webmaster: J.M.
Original design : C. Mouatsi