I've downloaded and installed the GSC-ACT catalog, and it helps a lot, but is there another star catalog that goes a bit deeper? That catalog stops with 15th magnitude, I think. I'd like something that will take me to 20th mag.
Malcolm Saunders
I've downloaded and installed the GSC-ACT catalog, and it helps a lot, but is there another star catalog that goes a bit deeper? That catalog stops with 15th magnitude, I think. I'd like something that will take me to 20th mag.
Malcolm Saunders