SWTOR Datacrons

Datacron hunting in TOR is one of those fun side activities.  There are some wonderful walk-thru guides out there (see list below). I do like Swtor-spy's one with screenshots/maps.
 
The passive stat bonus from each is helpful as you level (+2 to +4 stat increase) and if you get ALL of the ones for example for +Aim, , and the shards that can be made into a relic is really helpful as you  level and at max level.

Datacron on Alderaan 

Here is a link to the combos you can make with the shards.  Make sure to have a a power core for the disassembler, just in case you put the relic together wrong. The cost is 8,000 credits.



As the codex entries for the datacrons is listed chronologically and not by planet, as I've been going back and collecting them, it's been a bit of a pain trying to figure out which ones I was missing, etc.  Below is a list of the datacrons in chronological order by Codex Entry numbers.  

** Red indicates EMPIRE only. ** Blue indicates REPUBLIC only.

Hutta

Codex Entry: Galactic History 01: The Architects:   Reward:  +2 Aim

Codex Entry: Galactic History 02: Ancient Civilizations:   Reward:  +2 Presence

Codex Entry: Galactic History 03: The Battalions of Zhell:   Reward:  Blue Matrix Shard

Coruscant

Codex Entry: Galactic History 04: King Adas:   Reward:  +2 Endurance

Codex Entry: Galactic History 05: Rise of the Infinite Empire:  Reward: +2 Cunning

Codex Entry: Galactic History 06: The Infinite Empire Collapses:  Reward:  Yellow Matrix Shard

Codex Entry: Galactic History 07: The First Spaceflights:  Reward:  +2 Strength

Codex Entry: Galactic History 08: Hyperspace Cannons:   Reward: +2 Presence

Tython

Codex Entry: Galactic History 09: The Force Wars:  Reward: +2 Endurance.

Codex Entry: Galactic History 10: The Tion Cluster:   Reward: +2 Willpower.

Codex Entry: Galactic History 11: The Tionese face the Hutt Empire:  Reward: Blue Matrix Shard

Ord Mantel

Codex Entry: Galactic History 12: The Birth of the Republic:  Reward: +2 Aim

Codex Entry: Galactic History 13: The First Great Schism:  Reward: +2 Presence

Codex Entry: Galactic History 14: The Fall of Tion  Rewards: Red Matrix Shard

Korriban

Codex Entry: Galactic History 15: Mandalore:  Reward: +2 Endurance

Codex Entry: Galactic History 16: The Alsakan Conflicts:  Reward: +2 Willpower

Codex Entry: Galactic History 17: The Duinuogwuin Contention:  Reward: Red Matrix Shard

Dromund Kaas

Codex Entry: Galactic History 18: The Hutt Cataclysms  Reward: Yellow Matrix Shard

Codex Entry: Galactic History 19: The Pius Dea Crusades  Reward: +2 Strength

Codex Entry: Galactic History 20: Chancellor Blotus  Reward: +2 Endurance

Codex Entry: Galactic History 21: The Birth of the Mandalorians  Reward: +2 Presence

Codex Entry: Galactic History 22: The Second Great Schism  Reward: +2 Cunning

Taris

Codex Entry: Galactic History 23: The Sith Order Begins:  Reward: +2 Aim (Republic) +4 Endurance (Empire)

Codex Entry: Galactic History 24: Empress Teta:  Reward: +2 Cunning (Republic) +4 Cunning (Empire)

Codex Entry: Galactic History 25: 2 Rivals:  Reward: +2 Strength (Republic) +4 Presence (Empire)

Codex Entry: Galactic History 26: Naga Sadow's Deceptions:  Reward: +2 Willpower

Codex entry: Galactic History 27: The Great Hyperspace War:  Reward: Green Matrix Shard (Republic only)

Balmoora (Empire)

Codex Entry: Galactic History 28: The Battle at Primus Goluud:  Reward: +2 Aim

Codex Entry: Galactic History 29: Sadow's Escape:  Reward: +2 Cunning

Codex Entry: Galactic History 30: Rise of the Sith Emperor:  Reward: Green Matrix Shard

Codex Entry: Galactic History 31: The Ritual of Nathema  Reward +2 Strength

Codex Entry: Galactic History 32: Long Exile  Reward +2 Willpower

Nar Shaddaa

Codex Entry: Galactic History 33: Dromund Kaas  Reward: +3 Aim

Codex Entry: Galactic History 34: The Discovery of Ryll  Reward: +3 Cunning

Codex Entry: Galactic History 35: The Gank Massacres  Reward: +3 Presence

Codex Entry: Galactic History 36: The Quarren-Mon Calamari War:  Reward: Yellow Matrix Shard

Codex Entry: Galactic History 37: Freedon Nadd:  Reward: +3 Strength

Tatooine

Codex Entry: Galactic History 38: The Tyrant of Onderon:  Reward: +3 Aim

Codex Entry: Galactic History 39: The Third Great Schism:  Reward: +3 Cunning

Codex Entry: Galactic History 39: The Third Great Schism:  Reward: +3 Cunning

Codex Entry: Galactic History 40: Czerka Discovers Kashyyyk:  Reward: Blue Matrix Shard

Codex Entry: Galactic History 41: The Droid Rights Movement:  Reward: +3 Strength

Codex Entry: Galactic History 42: The Nevoota Extinction:  Reward: +3 Willpower

Alderaan

Codex Entry: Galactic History 43: The Great Droid Revolution:  Reward: +4 Aim

Codex Entry:  Galactic History 44: The Jedi Nomi:   Reward: +3 Endurance

Codex Entry: Galactic History 45: The Krath Cult:  Reward: +3 Presence

Codex Entry: Galactic History 46: Nadd's Legacy:  Reward: +4 Strength

Codex Entry: Galactic History 47: Naddist Rebels:  Reward: +3 Willpower

Codex Entry: Galactic History 48: ???

Codex Entry: Galactic History 49: ???

Taris (Empire)

Codex Entry: Galactic History 50: BasiliskL  Reward: Willpower +4

Codex Entry: Galactic History 51: ???

Codex Entry: Galactic History 52: ???

Balmorra (Republic)

Codex Entry: Galactic History 53: The Conclave at Deneba:  Reward +4 Aim

Codex Entry: Galactic History 54: Ulric´s Fall:  Reward +3 Endurance

Codex Entry: Galactic History 55: The Ascension of Exar Kun:  Reward +4 Willpower

Codex Entry: Galactic History 56: The Brotherhood of the Sith:  Reward +4 Cunning

Codex Entry: Galactic History 57: The Brotherhood's Power Grows:  Reward +4 Presence

Quesh

Codex Entry: Galactic History 58: Ulic's Trials:  Reward: +4 Cunning

Codex Entry: Galactic History 59: Aleema's Fate:  Reward: +4 Endurance

Codex Entry: Galactic History 60: The destruction of Ossus:  Reward: +4 Strength

Corellia

Codex Entry: Galactic History 61: The Brotherhood is Broken   Reward: Green Matrix Shard

Codex Entry:  Galactic History 62: The Great Sith War:  Reward: Blue Matrix Shard

Hoth

Codex Entry: Galactic History 63: The Terentatek Hunt:  Reward: +4 Cunning

Codex Entry: Galactic History 64: The Kanz Disorders:  Reward: +4 Endurance

Codex Entry: Galactic History 65: An Exile on Rhen Var:  Reward: +4 Presence

Codex Entry: Galactic History 66: The Jedi Covenant:   Reward: Red Matrix Shard

Codex Entry: Galactic History 67: Mandalore the Ultimate:  Reward: +4 Strength

Belsavis

Codex Entry: Galactic History 68: The Mandalorians Return:   Reward: +4 Aim

Codex Entry: Galactic History 69: The Mandalorian Wars:  Reward: +4 Endurance

Codex Entry: Galactic History 70: The Covenant Acts:  Reward: +4 Presence

Codex Entry: Galactic History 71: The Muur Talisman:  Reward: Green Matrix Shard

Codex Entry: Galactic History 72: The Fall of the Covenant:   Reward +4 Willpower

Voss

Codex Entry: Galactic History 73: The Battle of Malachor Five:  Reward +4 Endurance

Codex Entry: Galactic History 74: Revan and Malak Fall:  Reward +4 Cunning

Codex Entry: Galactic History 75: The Jedi Civil War:  Reward +4 Presence

Codex Entry: Galactic History 76: Revan is Remade:  Reward +4 Strength

Codex Entry: Galactic History 77: A Return to the Unknown Regions:  Reward: +4 Willpower

Corellia

Codex Entry:  Galactic History 78: The Sith Triumvirate:  Reward: +4 Aim

Codex Entry: Galactic History 79: The Conclave at Kataar: Reward: +4 Willpower (Empire)

Codex Entry: Galactic History 80: A Return from Exile  Reward: +4 Presence

Codex Entry:  Galactic History 81: The Battle of Telos Four:  Reward: +4 Cunning

Codex Entry:  Galactic History 82: Dath Traya’s Return:  Reward: +4 Strength
Codex Entry: Galactic History __: ____  +4 Willpower (Republic)

Illum

Codex Entry:  Galactic History 83:  The Republic Rebuilds   Reward: +4 Aim

Codex Entry: Galactic History 84: The G0-T0 Coup  Reward: +4 Endurance

Codex Entry: Galactic History 85: The Purge of the Dark Council  Reward: Red Matrix Shard

Codex Entry: Galactic History 86: The Empire's Revenge  Reward: Yellow Matrix Shard

Codex Entry: Galactic History 87: A Wayward Apprentice  Reward: +4 Willpower

Empire Fleet Datacron & Republic Fleet Datacron   

These datacron grants + 10 to all stats and requires a full group to obtain.

Dromund Kass Datacron

Walk thru's with maps: http://www.swtor-spy.com/datacrons/

Walk thru and datacron info: http://swtor.wikia.com/wiki/Datacron_Locations
Locations: http://www.ign.com/wikis/star-wars-the-old-republic/Datacron_Locations
Maps (walk thru is Swtor Spy, Empire oriented):  https://sites.google.com/site/theorderof66/gameplay/datacrons/datacron-locations