Indian Astronomical Observatory, Hanle


IAO Sky Condition (Live):Day

IAO Sky Condition (Live):Nightsky

IAO Meteosat Image | Satellite Images

HCT Schedule: 2019 Cycle2 (2019 May - August)

HCT Schedule: 2019 Cycle3 (2019 September - December)

2m HCT Call for Proposals

Information for Guest Observers

Guidelines for HCT time allocation and Data Policy

Important Notice For All Observers

  • Please use the HCT online proposal management system for submission of proposals.
  • HCT Annual Maintenance is scheduled during 2019 August 08 - August 23. The telescope will not be available for observations during this period.

  • 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: August 18, 2019