An error has occurred, the report has not been sent. Please check if the data is valid or try again later.
Sending declined. Incorrect text from the image.
Sending declined. reCAPTCHA verification has failed.
Report a problem related to object: Astronomisches Jahrbuch für das Jahr 1806 : nebst einer Sammlung der neuesten in die astronomischen Wissenschaften einschlagenden Abhandlungen, Beobachtungen und Nachrichten