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Browsing Technical Reports Series by Title

Browsing Technical Reports Series by Title

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  • Kemkar, P. M. M; Saxena, A. K; Nirmal Kumar, P. K; Ismail, R; Sagayanathan, K (Indian Institute of Astrophysics, 2011-12)
    The purpose of this document is to establish the general requirements for handling and coating of the primary and secondary mirror of 2M Himalayan Chandra Telescope (HCT) at the observatory Mirror Coating facility, Hanle. ...
  • Yeswanth, L (Indian Institute of Astrophysics, 2013-05-03)
    A rotational shearing interferometer is a modification of the Michelson’s interferometer to obtain the spatial coherence of the light waves. It is mainly used for obtaining diffraction limited images of astronomical ...
  • Vasantharaju, N; Dorjey, N; Ravindra, B; Prabhu, K; Rangarajan, K. E; Prabhu Ramkumar, B; Sankarasubramanian, K (Indian Institute of Astrophysics, 2012)
    G-band observations are important for the study of dynamics of magnetic features in the solar photosphere and they are carried out using large telescopes, larger than 30 cm. We installed a 40 cm DFM telescope at one of ...
  • Ravi, K; Anbazhagan, P; Ramachandiran, A; Venkateswara Rao, S (Indian Institute of Astrophysics, 2011)
    Conventional Telescope Dome Shutter Control has bi-parting shutter driven by a AC three phase induction motor to which AC power is fed through circumferential busbars. These busbars frequently requires maintenance and some ...
  • Srinivasan, R; Singh, J; Ramamoorthy, K. S (Indian Institute of Astrophysics, 1989-07)
  • Thulasidharen K. C (Indian Institute of Astrophysics, 2010)
    A three axis control system for WARM telescope is developed. A four axis motion controller next move PCI from Balder Electric Company is used for controlling the three axes. The control code is developed in MINT V5 Software ...

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