He directed the preparation of the star-maps of the Berlin academy 1830-1859, edited from 1830 and greatly improved the Astronomisches Jahrbuch, and issued four volumes of the Astronomische Beobachtungen of the Berlin observatory (1840-1857).
Wolf, Beobachtungen des Zodiacallichtes (1850-52); Brorsen Ueber den Gegenschein des Zodiacallichts (1855) and in Schumacher, 998; J.
The volumes of their publication, Resultate aus den Beobachtungen des magnetischen Vereins, extend from 1836 to 1839; and in those for 1838 and 1839 are contained the two important memoirs by Gauss, Allgemeine Theorie des Erdmagnetismus, and the Allgemeine Lehrscitze - on the theory of forces attracting according to the inverse square of the distance.
Semon, Im Australischen Busch and an den Kasten des Korallen Meeres (Leipzig, 1899); Nachrichten fiber Kaiser Wilhelmsland (Berlin, 1887-1899); Joachim Graf von Pfeil, Studien and Beobachtungen aus der Siidsee (Brunswick, 1899); M.
The valuable work of Gauss on magnetic theory and measurements, especially in relation to terrestrial magnetism, was published in his Intensitas vis magneticae terrestris, 1833, and in memoirs communicated to the Resultate aus den Beobachtungen des magnetischen Vereins, 1838 and 1839, which, with others, are contained in vol.
The results of his observations of nebulae are contained in two catalogues published in the Astronomische Beobachtungen der Grossherzoglichen Sternwarte zu Mannheim, 1st and 2nd parts (1862 and 1875), and those of his variable star observations appeared in the Jahresberichte des Mannheimer Vereins fur Naturkunde, Nos.