Orion Sirius Pro AZ/EQ-G Computerized GoTo Telescope Mount Compact hybrid GoTo mount can support one telescope or two telescopes side-by-side Supports up to a 30-pound telescope payload with rock-solid stability - ideal for both astrophotography and visual observations Whisper-quiet belt-assisted stepper motor drive GoTo system can locate and track any of over 42,000 celestial target objects Sophisticated GoTo system with dual optical encoders allows mount be moved manually without losing GoTo alignment Conveniently compact mount and foldable "pier pod" tripod stand is easy to transport to dark sky sites