AstroPhysics 130mm F6 apo, SBIG STL11K, L:90m, RGB:10m, 2X binned
Lagoon & Trifid Nebulae, M8 & M20
Amateur CCD Astronomy
By Richard D. Jacobs, M.D.
By Richard D. Jacobs, M.D.
AstroPhysics 130mm F6 apo, SBIG STL11K, L:90m, RGB:10m, 2X binned