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: Astrographic Catalogue 1900.0. Hyderabad Section Dec. -16° to -21°. Vol. I. Measures of rectangular co-ordinates and diameters of 63436 star-images on plates with centres in Dec. -17°