Messier 21 or M21, also designated NGC 6531, is an open cluster of stars in the constellation of Sagittarius. It was discovered and catalogued by Charles Messier on June 5, 1764. This cluster is relatively young and tightly packed. A few blue giant stars have been identified in the cluster, but Messier 21 is composed mainly of small dim stars. With a magnitude of 6.5, M21 is not visible to the naked eye; however, with the smallest binoculars it can be easily spotted on a dark night. The cluster is positioned near the Trifid nebula, but is not associated with that nebulosity. It forms part of the Sagittarius OB1 association.
Skikda is a province (wilaya) of Algeria, on its eastern Mediterranean coastline.
Kolbu is a village in Østre Toten municipality, Innlandet county, Norway. It is located in the traditional region of Toten. Kolbu is situated about six kilometers southwest of the municipal center of Lena.
El Khroub is a district in Constantine Province, Algeria. It was named after its capital, El Khroub. As of the 1998 census, it is the second most populous District of the Province, after Constantine.
El Ancer is a district in Jijel Province, Algeria. It was named after its capital, El Ancer.
El Hadaik is a district in Skikda Province, Algeria on the Mediterranean Sea. It was named after its capital, El Hadaik.
Tamalous is a district in Skikda Province, Algeria, on the Mediterranean Sea. It was named after its capital, Tamalous.
Houari Boumédienne is a district in the Guelma Province of Algeria. It was named after former President of Algeria, Houari Boumédienne.
Dar El Beïda is a district in Algiers Province, Algeria. It was named after its capital, Dar El Beïda.
El Hassi is a town in north-eastern Algeria.
Llapa District is one of thirteen districts of the province San Miguel in Peru.
Płocie is a village in the administrative district of Gmina Ostrowice, within Drawsko County, West Pomeranian Voivodeship, in north-western Poland.
Bordj El Amir Khaled District is a district of Aïn Defla Province, Algeria.
Abou El Hassan District is a district of Chlef Province, lying situated on the Mediterranean Sea, northern Algeria. The district contains the capital, Abou El Hassan, holding a total population of approximately 20,164 residents according to the 1998 census.
Aïn M'Lila District is a district of Oum El Bouaghi Province, Algeria.
Sigus District is a district of Oum El Bouaghi Province, Algeria.
Església de Sant Pere del Tarter is a church located in El Tarter, Canillo Parish, Andorra. It is a heritage property registered in the Cultural Heritage of Andorra. It was built in the 16th century.
The Alamut geographic region is a region in Iran including western and eastern parts in the western edge of the Alborz (Elburz) range, between the dry and barren plain of Qazvin in the south and the densely forested slopes of the Mazandaran province in the north. Starting from Qazvin toward Alamut, passing through the first range of hills, curvatures, forms, are significant themes in nature's composition of this area. Two big citadels of Ismailis, Lambsar and Alamut castles, are in this area. Hassan-i Sabbah and his Assassins controlled the area for many years.
The Casa Fuerte de la Cruceta or the Casas Fuertes is a privately owned castle and coastal defense fortress in Almería, Province of Almería, Andalusia, Spain.
Boughalboune (بوغلبون) is a town in Skikda Province, Algeria. The town is on the N3 highway to Skikda and sits on the bank of a tributary of the Oued Ensa River. The topography of the town is mountainous.
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