This newsletter, authored by Keith Watson, details the use of the coronagraph for the month of December 1960, which he notes that the excellent coronal skys continued, but activity on the sun was low. Topics discussed include the figures for the coronagraph programs for the month, Joe Rush workin... Show moreThis newsletter, authored by Keith Watson, details the use of the coronagraph for the month of December 1960, which he notes that the excellent coronal skys continued, but activity on the sun was low. Topics discussed include the figures for the coronagraph programs for the month, Joe Rush working on aligning of the coronagraph, work on the doors of the big dome, the Flare Patrol, and Lew Grant's cloud seeding program in the Climax area. Show less