Daily relative sunspot numbers 1749-1818
Subtitle: reconstruction of missing observations
By: V. Letfus
Series: Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic -- publication no. 86; Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic -- no. 86
Publisher: Astronomical Institute of the Academy of Sciences of the Czech Republic
Published: 1997
Place of publication: Prague]
Language: eng
Number of pages: 66
Subjects: Sunspots; Observations
Notes: Includes bibliographical references (p. 5).