Ins

Each instance provides different challenges which get progressively tougher at higher levels. However, completion of higher levels yields better rewards than lower levels.
Blueprints are instance-dependent meaning that specific blueprints can only be acquired from specific instances.
Instance viewer
The following link is an interactive view of all of the instances, ships and information. A very useful tool.
If that link doesn't work try this [link].
Instance Navigator
Farming Instances
Instances can be run repeatedly for accumulation of rewards and in-game wealth.