Stuck on the Nephele level, any hints?

Hey, I am trying to get through the third level and I can't get past it.

So, I get the datadisk from the Coalition ship in Nephele, and the Raiders attack me. I died the first time but every other time I have defeated them. Then I head to the jumpgate, and (surprise!!!) 3 more to take out. The issue is, I can't take more than 1 out before I lose my turrets and then I'm on the losing side; I've tried about six times.

Reloading the autosave restarts the level. I've tried searching for bases to autosave on, but it appears that they don't exist. I've added in strafing, which has helped a bit. I have the best weapons and ship I could find, from Corsario. I'm not sure what to do; the most recent point I can get out of X is level 2 beginning (and that's when I dragged Juni through Corsario to find a better ship). I'm out of ideas, and losing patience with the campaign. Does anyone have ideas to help?

My ship is a Titan (12,600 armour, 71/71 Nan./Batt.)
My shield is an Adv. Brigandine (8,280, regen=168)
I have a shield upgrade (MK2, +4 regen)
My weapons are:
- 5 Salamanca MK1s (159 shield damage, 318 hull damage)
- 1 Tizona del Cid (1,240 shield damage, 40 hull damage)
- 1 Reaper Turret (101, 50)

The shields go down fast with the TdC, but the hull takes a bit longer.

Ok guys, I finished. I spent two hours getting better equipment:

Shield Upgrade M10 on Bruschsal, Frankfurt
Power Generator M5 on Holstein, Frankfurt
Better weapons (L9) from Proxima, Vespus
Weight reduction M3 from Tau-31 Gate Construction Site, Tau-23

It was much easier, but I still lost shields twice. Shot the last optional one down too.

Thanks for your help. Currently up to the search for the hidden object in Alaska.