In order to simplify the process of identifying reference stars on astrosnymes, a nomogram is proposed that makes it possible to determine the equatorial coordinates.
1. Masevich A. G., Lozinskij A. M. Fotograficheskie nabljudenija iskusstvennyh sputnikov Zemli. — V kn.: Nauchnye informacii Astrosovsta AN SSSR. M., 1970.