| Takahashi EM-11 Temma 2M | |
|---|---|
| Type | German Equatorial Mount |
| R.A. & DEC. Slow-Motion | Motor driven |
| Azimuth Adjustments | ± 10° |
| Elevation Adjustments | 20 to 50° |
| Polar Finder / Accuracy | Built-in 6x (to 2030) / 5' |
| R.A. Setting Circle Accuracy | 10 arcminutes |
| DEC. Setting Circle Accuracy | 2° |
| R.A. and DEC. axis diameter (material) | 52 mm (aluminium) |
| R.A. / DEC. worm gear shaft diameter (material) | 14 mm (iron) / 14 mm (brass) |
| R.A. and DEC. gear diameter (material) | 74 mm/144 teeth (zinc) |
| Encoders | Supplied |
| Weight (without counterweight) | 7 kg |
| Counterweights | 3.5 kg |
| Maximal / Optimal Loading Capacity | 9 kg / 6kg (without counterweight) |
| Stepper Motors Accuracy | 100 pps |
| Slow Motion Speeds | 0.1x to 1.9x the sidereal rate |
| High Speed Mode | 120x the sidereal rate (12V DC) 240x the sidereal rate (24V DC) |
| Worm gear shaft cycle | 10 minutes |
| Tracking Accuracy | ± 10" |
| Power Consumption | 12V : 0.3A (tracking at sidereal rate), 1.3A (high speed slewing), 1.7A (starting) 24V : 0.3A (tracking at sidereal rate), 1.9A (high speed slewing), 1.9A (starting) |
| Tube moutings | 2 x M8 screws (separated by 35mm) |
| Autoguiding | SBIG ST-4/7 compatible |
| Mounting Capacities | Tube rings, plates and dovetail mounting plates |
| Option | Tripods, stand piers |