I’ve just been mining the last couple of days trying a T8 as a miner (I quite like it btw). I’ve found cores quite rare, saw quite a few yesterday before work but none last night and only 1 in my quick blast this morning. Do cores get refreshed on the Thursday tick? I was in an double-overlapping platinum hotspot in a pristine ring
I’d never really tried core mining before but it’s quite fun.
I think I really like the T-8 too and want to spend a bit more time in it. Right now, I have been absolutely burning myself out trying to re-engineer a lot of my bad built ships over 4 accounts because I've been afraid that they might nerf the materials increase. I know it's not good to grind that hard but I get a little OCD about things.
I have several mining ships for different moods. My pure laser mining ships make me feel 'easily-productive' because I know I can always drop into the Delkar 7-a ring and fully load up a couple hundred tons of Osmium, Panite, Platinum etc...
For Cores I usually only find 1-4 in an hour, So I only go Core hunting in very nimble ships like thew Challenger (and maybe now the T-8) so I can Hoon the field and mine at the same time. The Challenger only has 64T cargo space when fully shielded, but that's enough space for the 4 cores that I could get anyway (plus it has room for all the other mining tool plus guns).
But my favorite mining ship right now is my 7 laser Anaconda because unlike the Corvette and Cutter (all with 3 normal medium lasers and 4 of the Tech Broker modified size 1 lasers, that combo will strip rocks in about 10 seconds without draining the (engineered) distributor or overheating), the Anaconda has that 8th hardpoint for the Sub Surface Displacement missiles and the SSD is by far my favorite way to mine. There are lot's of rocks with SSD deposits available and it's very engaging to have to keep a lock on my tether point in FA-off, not crash into other nearby rocks, monitor the drilling depth, and monitor the percentage of material left so I'm not wasting ammo. To me it is the most rewarding way to mine to feel like you're doing something skillful and not having wasted time.
About the Thursday thing, I think Northpin has the correct info. And I think that's what started me dropping into rings hotspots manually without Supercruise assist a long time ago to avoid dropping into 'used' areas.