The Astrocoinpool is on block 8516.  

The difficulty is too high for the current hasrate, since it only adjusts "once per day", there are 124 more block at current difficulty, but with the current network hashrate it looks like it might take at least 50 hours to actually get to the difficulty adjustment.  This is a self re-enforcing problem, no one wants to mine the coin because difficulty is too high, so few blocks are solved and difficulty remains high.  You need a really dedicated core network to use this kind of difficulty scheme and astrocoin doesn't have it now, especially after everyone abandoned the pools due to all the various issues.

It takes 120 block to confirm, current block solve time is about 25 minutes according to astrocoinpools average.  You can do the math when your unconfirmed balance will be confirmed.