This newsletter, authored by Keith Watson, provides details about coronagraph observations for the month of February 1963, a month with little clear sky. Watson comments on bad streaking on the spectra of the 5" coronagraph, a persistent reticulation pattern on the image tube that defies identifi... Show moreThis newsletter, authored by Keith Watson, provides details about coronagraph observations for the month of February 1963, a month with little clear sky. Watson comments on bad streaking on the spectra of the 5" coronagraph, a persistent reticulation pattern on the image tube that defies identification, more pictures taken with the 16" coronagraph, work on recementing the suppressor plate of the flare patrol and building a temperature control for it. Show less
