sony a7 iv

Apologies if this is in the wrong section. With the upcoming planetary alignment, I was thinking about trying to photograph the planets. I've only ever shot the moon before using my Nikon D5100 with a 55-300mm. I have since upgraded to a Sony A7IV. I don't have a lens with that same reach...

As the tittle suggested: Looking for best Value TTL flash for Sony A7 IV ? My shoots are mostly in controlled environment, where I can comfortably adjust the strobes manually (using Godox FV200, or Godox AD200) Almost never shooting events, but looking for some nice small-ish on camera TTL...