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BREAKING NEWS: The 15th National Festival in Popular Astronomy-23-25 March 2017 ... 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
The 15th Popular Astronomy Festival: Constantine, 23-25 March 2017 : "A Colored Universe"
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. It is flying with colors as the theme is indeed: "The Universe at All Wavelengths"... 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 weekly radio show"Dounia el-Ouloum" on Constantine Radio produced by our Association, has become "Nadi el-Maarifa"
Radio program astronomy
...now in its 14th year of activity!
- Follow the program on line every Friday 17:30-18:30 UT on FM 93.9
The Grand Cirta-Science IX Competition:
Malek Haddad Palace. First round : 18 February 2017. For the best of the best. Again this year, Sirius is organizing a competition among the 700 brightest minds of the Constantine governorate High Schools. The prize for the three laureates will be a travel to the USA to sight the total solar eclipse of August 21, 2017... More here
With the Association "Atfalouna":
Malek Haddad, 31 December 2016. With the orphans and the special needs kids, a full program of activities and astronomical entertainment... More Soon...
Retreat Doucen at Biskra: The usual Winter retreat for the association members took place on 23-27 December 2016. We responded to the invitation of the Blue Gold Association at Doucen near Ouled Djellal the new associate Wilaya... Coming soon
Ouled Rahmoun in the Track of the Cosmic Caravan (CCC): 29 Oct 2016. The CCC is still reaching out at people, at cultural centers, schools, universities and youth gatherings throughout the Constantine borders and even in others Wilayates. It's latest peregrination brought it to Ouled Rahmoun, a quite isolated and somewhat marginalized commune at the boundaries of the Constantine Wilaya. ... More here
mouharram 2016 Algeria
On the First of Muharram
A rather sterile controversy broke out in Algeria concerning the date of the 1st of Muharram, the first month of the Hegiri year 1438 of the Islamic calendar. This open letter from two astronomers tackles from an astronomical point of view the wherabouts of this affair...
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Opening Academic Year Mentouri 2016 Opening the 2016 Year at Mentouri University
For that occasion, a special Open Doors day was organized by the Faculty of Fundamental Sciences in coordination with the Sirius Astronomy Association and the LPMPS Lab....
Read more here.
Ramadhan pages for 2016/1437h
The start of the Ramadhan month is for the 6th or 7th of June according to various jurisprudential views...

As for the Eid's date, it should be on the 6th of July based on naked eye sighting and on the 5th based on a precomputed method...

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Race to Space Contest : The Race to Space contest has been launched officially. This program organized by Sirius in coordination with the Cultural Service of the US Embassy at Algiers. Six happy laureates have been selected to go for a week to the Space Camp in Huntsville, Alabama this Summer. Updated info here...
Kelibia, Tunis : First Astronomy Camp: 30 March-2 April 216. Sirius participated strongly at this University camp organized by the SAT with the Ministry of Universities there. Hundreds of students got training in Astronomy and Sirius gave 5 talks and animated a highly successful evening workshop.... More soon
The Ibn al-Haytham Days II: Constantine 24-25 January 2016 : Closing the IYL2015 in Algeria in beauty with this last national event organized in coordination with the Physics Department. Plenty of activities and some high powered lecturers and two large scientific exhibits from Sirius and the CDTA ... More here
The Intl. Year of Light 2015 still shinning : Constantine, Mentouri Univ & Constantine-3 Universities: More programs within IYL015 events with lectures and expositions. One was with the opening of Nadi Ihya el-Ouloum and the other one was the featured Conference of Prof.Melikechi ... from DSU in USA.
Sirius retreat 2015 El Kantara The December Winter Retreat in the Aures Mountain range : 18-20 Dec - 2015: Training at El-Kantara in astrophotography and telescope sighting for the 40 strong Sirius members. Opening the skies to the local population- Visit of the Roman bridge and the Rhoufi Canyon with its troglodytic dwellings.
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
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.

More Here on the Previous Sirius Activities (Prior to 2013):
Page 2, Page 3, Page 4...

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


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