TTT4
First light: 2026
Status: Commissioning
TTT1 & TTT2
First light: 2022
Status: Fully robotic
TTT3
First light: 2025
Status: Advanced commissioning
80cm telescopes – TTT1 & TTT2
| Optical design | Ritchey–Chrétien |
| Aperture | 80 cm |
| Focal ratio | f/6.85 |
| Mount | Alt-azimuth |
| Foci | 2 Nasmyth (with de-rotator) + 1 complementary |
| Min observable elevation | 25° |
| Slewing speed | 10°/s |
| Tracking accuracy | < 0.3″ RMS within 5 minutes |
| Pointing accuracy | < 8″ RMS (with pointing model) |
| Instrument | FERVOR-M — imaging camera |
MPC: Y65
Lon: -16.50956893º, Lat: 28.29871121º, Alt: 2359.12m
ALT-AZ 800 mm RC
2 Nasmyth focus, f/6.85, f/4.4 focal reducer
Min. observable elevation 20º
Max. speed 10 deg/s
Tracking < 0.2″ RMS/min
Pointing < 30″ RMS
Instrument: FERVOR-M at Nasmyth 1
MPC: Y66
Lon: -16.50948217º, Lat: 28.29871203º, Alt: 2359.11m
ALT-AZ 800 mm RC
2 Nasmyth focus, f/6.85, f/4.4 focal reducer
Min. observable elevation 20º
Max. speed 10 deg/s
Tracking < 0.2″ RMS/min
Pointing < 30″ RMS
Instrument: FERVOR-M at Nasmyth 1
2m telescopes – TTT3 & TTT4
| Optical design | Ritchey–Chrétien |
| Aperture | 2 m |
| Focal ratio | f/6 |
| Mount | Alt-azimuth |
| Foci | 2 Nasmyth (with de-rotator) + 3 complementary |
| Min observable elevation | 30° |
| Slewing speed | 5°/s |
| Tracking accuracy | < 0.3″ RMS within 10 minutes (unguided) |
| Pointing accuracy | < 8″ RMS |
| Instrument |
FERVOR-M — imaging camera COLORS — imaging camera LOTUS-X — spectrograph (commissioning) |
MPC: Y68
Lon: -16.50974064º
Lat: 28.29892699º
Alt: 2361.87m
ALT-AZ 2000 mm RC
2 Nasmyth + 3 Ports: 5x f/6.
Min. observable elevation 15º
Max. speed 10 deg/s
Tracking < 0.1” RMS/min
Pointing < 8” RMS
Instruments:
– FERVOR-M – Nasmyth 1
– COLORS – Nasmyth 2
– 1 Port available
– 1 Port available
– 1 Port available
Lon: -16.509239º
Lat: 28.298939º
Alt: 2358.73m
ALT-AZ 2000 mm RC
2 Nasmyth + 3 Ports, 5x f/6
Min. observable elevation 15º
Max. speed 10 deg/s
Tracking < 0.1” RMS/min
Pointing < 8” RMS
Instruments:
– FERVOR-M – Nasmyth 1
– 1 Nasmyth available
– 1 Port
– 1 Port
– 1 Port
Instruments
FERVOR-M – TTT-80
High-cadence BSI sCMOS camera for fast photometry — Nasmyth focus (f/6.85)
The following specifications correspond to the standard observing configuration (2×2 binning).
| Sensor | BSI sCMOS IMX455 |
| Sensor size | 36 mm × 24 mm |
| Resolution | 4787 × 3193 px (15.3 Mpx) |
| Pixel size | 7.52 μm |
| Field of view | 22.6′ × 15.1′ |
| Plate scale | 0.28″ / px |
| Readout time | 15 ms |
| Readout noise | 3.36 e− |
| Dark current | 0.024 e− / px / s (−15 °C) |
FERVOR-M – TTT-200
High-cadence BSI sCMOS sensor for fast photometry — Nasmyth focus (f/6)
The following specifications correspond to the standard observing configuration (3×3 binning).
| Sensor | BSI sCMOS IMX455 |
| Sensor size | 36 mm × 24 mm |
| Resolution | 3191 × 2129 px (6.8 Mpx) |
| Pixel size | 11.28 μm |
| Field of view | 10.2′ × 6.8′ |
| Plate scale | 0.19″ / px |
| Readout time | 15 ms |
| Readout noise | 4.74 e− |
| Dark current | 0.036 e− / px / s (−15 °C) |
COLORS – TTT-200
High-efficiency CCD sensor for multiband photometry — Nasmyth focus (f/6)
| Sensor | BSI e2v CCD42-40 BEX2-DD |
| Sensor size | 27.6 mm × 27.6 mm (39 mm diag.) |
| Resolution | 2048 × 2048 px (4.2 Mpx) |
| Pixel size | 13.5 μm |
| Field of view | 7.85′ × 7.85′ |
| Plate scale | 0.23″ / px |
| Readout time | 5 s |
| Readout noise | 6.2 e- |
| Dark current | 0.006 e− / px / s (~ −70 °C) |