Andromeda through the trees

Photo taken with Full-spectrum modified Sony a6100 with STC Optics “Astro Multispectra” clip-filter and Sigma 16mm F 1.4 lens. The stars background layer is a stack of 4 x 90-second exposures, ISO 1250, with a polar-aligned star tracker mount. The foreground layer is same location at same time but without the star tracker enabled – […]