Indian Astronomical Observatory, Hanle


IAO Weather and Sky Condition (Live)

HCT Schedule: 2024 Cycle1 (January - April)

HCT Accepted Proposal: 2024 Cycle-1 (January - April)

2m HCT Call for Proposals

Information for Guest Observers

Guidelines for HCT time allocation and Data Policy

Important Notice For All Observers

  • The Service mode observations with HCT has been stopped. The PI/Co-Is of the proposals are requested to be physically present at CREST during their observations.
  • TIRSPEC will be available from Cycle 02_2024 (starting from May 2024).
  • The HFOSC CCD1 system is in use since CCD2 system needs maintenance.
  • The HESP instrument is available for observation.
  • Please use the HCT online proposal management system for submission of proposals.
  • To ensure the safety of components, the telescope will not be operated when the ambient temperature is below -20 deg C. The dome shall also be closed at this temperature limit.


    Indian Astronomical Observatory
    Indian Institute of Astrophysics
    Post Box No. 100, Leh-Ladakh 194 101 INDIA
    Tel : 91 (01982) 252195, 253104

    Last updated on: February 20, 2024