"These were cataloged by Charles Messier in 1781."
Don Machholz
William Bradfield of Australia get used to his name; he discovered 10 of the 33 comets covered in A Decade of Comets.DON MACHHOLZ Podcast-36-A-Decade-of-Comets-Part-2aDownload...
Let’s hear it for the SOHO spacecraftAnd the amazing things it has photographed.With four thousand comets foundBy those on the groundWho scan images…DON MACHHOLZ...
Cell phone lunar photography and Messier Marathon Search Sequence. Podcast-5-Star-Map-1Download Podcast-5-Star-Map-2Download Podcast-5-MM-Search-SequenceDownload Podcast-5-Promo-Photo-PDFDownload Hits: 44
