Observations of the Sun during 1990-1992 with the astrolabe of Santiago
Abstract
A program of Sun observations at 30° and 60° zenith distance is in progress since 1990 with the astrolabe of Santiago. Results in right ascension, Y and apparent semi-diameter of the Sun are given for the period 1990-1992.
- Publication:
-
Astronomy and Astrophysics Supplement Series
- Pub Date:
- November 1993
- Bibcode:
- 1993A&AS..102...11N
- Keywords:
-
- solar positions and semi-diameter;
- astrolabe observations