This archive tracks four layers. A record present in 4 of them (HH, AoI, M41, IND) is silent in the rest, and says so.
The Horus HeresyM30–M31
imperium
Throneworld of the Faash, taken
The seat of an empire that had held out against the Crusade, and the campaign that ended it is remembered less for the conquest than for the argument between two primarchs about who finished the tyrant and how.
Age of the ImperiumM32–M40
imperium
[RECORD LOST]
[RECORD LOST]
Nothing survives in the archive for Age of the Imperium.
The 41st Millenniumpre-Rift
imperium
[RECORD LOST]
[RECORD LOST]
Nothing survives in the archive for The 41st Millennium.
Era Indomituspost-Rift
imperium
[RECORD LOST]
[RECORD LOST]
Nothing survives in the archive for Era Indomitus.
Position
Map frame: 67.2, 523 in the archive's 0–1000 disk space (core at 500, 500).
Distance from the core: 433 units ≈ 46.1k light years, west of the galactic core.
Height above the disk plane: -4.5 units — invented thin-disk jitter, deterministic per record. No published source gives any location a z coordinate.
System: Dulan System
Books set here
1 title in the reading tracker touches this record, 1 of them as a primary location. Titles link out to the tracker.
Every fact in this record, and where it came from. Editorial derivations say so.
classhigh
wh40k.lexicanum.com/wiki/Dulan infobox Class = Fortress/Industrial World; Affiliation = Imperium (formerly Dulanian); lead — 'the throneworld of the Faash during the Great Crusade, until it was captured by the Imperium at the end of the Dulan Campaign in 870.M30'
gposlow
inferred: the Dulan infobox publishes no segmentum, sector, subsector or system, and the Dulan Campaign is not tied to a named theatre. No segmentum is claimed; the marker sits on the unsurveyed rim and carries no positional information