Preliminary results of an investigation of astroclimate at the Coronal station of the Astrophysical Institute
Abstract
Astroclimatic conditions at the Coronal station of the Kazakh Academy's Astrophysical Institute were investigated in order to select a site for the installation of a 1.5-m telescope. This paper presents visual estimates of stellar-image vibration which were made between July and December 1973 with a microscope mounted on a refractor with a 20-cm objective. Analysis of 2452 vibration readings shows that the mean value of image vibration is 0.6 to 0.8 arcsec at a zenith distance of 45 deg. It is noted that concurrent measurements of air-temperature variations indicate a significant correlation between such variations and the magnitude of image vibrations. It is concluded that autumn and winter constitute the most favorable observing season at this site.
- Publication:
-
Trudy Kazanskaia Gorodkoj Astronomicheskoj Observatorii
- Pub Date:
- 1974
- Bibcode:
- 1974TrKaz..26..160K
- Keywords:
-
- Astronomical Observatories;
- Atmospheric Optics;
- Telescopes;
- Astronomical Photography;
- Atmospheric Boundary Layer;
- Image Motion Compensation;
- Night Vision;
- Sites;
- Statistical Distributions;
- Temperature Gradients;
- Vibration Measurement;
- Astronomy