Modern technology makes astrophotography with long exposure times easy. Guiding systems are used to keep the object exactly on the sensor. Either as a autoguider on a guide scope or using an off-axis guider in the primary light path. You can find both systems here.
Start now with digital astrophotography and capture the Sky with the brand new BRESSER Full HD Deep-Sky Camera with Autoguider build from the premium-class manufacturer Touptek.