Sunspots Seen from Manchester 1870
Mr
Henry Ormesher of Manchester writes that -
“On
the 31st July 1870 while looking at sunspots with my 3
inch refractor, I saw a beautiful cluster of spots, occupying an
almost central position on the disc. It occurred to me that the umbra
in the largest spot appeared more dense on the eastern side. I
therefore determined to examine it with my 5.25 inch refractor; I did
so using a power of 181. The result was, that it resolved itself into
a very fine nucleus of a somewhat oval shape. After making myself
sure that this was the case, I examined the cluster, and was struck
with the beautiful appearance of the brighter part of the Sun’s
atmosphere. A very bright stream ran across the cluster in a zigzag
direction, separating the penumbra. Some parts of this stream,
particularly the upper part, appeared brighter than others,
presenting a very mottled appearance”
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