Information on the TRT sites, telescopes, and instruments can be found here. However, not all the telescopes and CCD cameras described in the above link may be available due to repair and maintenance work.
List of available filters (as of 1 July 2026)
- TRT-SRO: No Filter, U, B, V, R, I
- TRT-SBO: No Filter, V, B, Rc, Ic, Ha, SII, OIII
- TRT-GAO: No Filter, U, Z, R, G, I
- TRT-CTO: No Filter, Lum, Red, Green, Blue, U-Bessell, B-Bessell, V-Bessell, R-Bessell, I-Bessell, u-Sloan, g-Sloan, r-Sloan, i-Sloan, z-Sloan, Sii/8, RG-Clear
You may indicate your preference and reasons for selecting specific TRT site(s) in the proposal but there is no guarantee that your time will get scheduled and run at the site of your choice. TAC and NARIT OPD reserve the rights to alter the queue and schedule as appropriate to the operational requirements and instruments. To check the current status and availability of the TRTs instruments please contact NARIT OPD.