CCD

$Astrophoto of M31, the Andromeda Galaxy, taken with an 85mm (3.35 in) diameter Takahashi apochromatic refractor and Innovation Foresight's new ON-Axis Guider (ONAG)$

Science

Cold mirror makes hot astrophotos a snap

Innovations Foresight has introduced an on-axis guiding accessory for astrophotography that uses a cold mirror to separate a visible image from a near-infrared image for guiding.