Guiding Assistant Guiding Assistant Astrophotography Tool — auto-updates as you change values Guide Camera Camera preset — Select to auto-fill pixel size — ZWO ASI120MC ZWO ASI120MM Mini ZWO ASI174MM Mini ZWO ASI178MM ZWO ASI183MM Pro ZWO ASI220MM Mini ZWO ASI224MC ZWO ASI2600MC AIR ZWO ASI2600MC Duo ZWO ASI2600MM AIR ZWO ASI2600MM Duo ZWO ASI290MM Mini ZWO ASI462MC ZWO ASI485MC ZWO ASI533MM Pro ZWO ASI585MC ZWO ASI585MC AIR ZWO ASI678MM ZWO ASI715MC Parameters Pixel size (µm) Guide scope focal length (mm) Exposure time (s) Guide rate 0.25× Sidereal 0.50× Sidereal 0.75× Sidereal 0.90× Sidereal 1.00× Sidereal Mount type Harmonic / Strain Wave Worm Gear / Traditional Seeing conditions Excellent (<1.5″) Good (1.5″ – 2.5″) Fair (2.5″ – 4.0″) Poor (>4.0″) Wind conditions Calm (0–5 mph) Light (5–10 mph) Moderate (10–15 mph) High (15+ mph) Calculated ✓
