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Thursday, 29-September-2011
Late afternoon, curtains closed to protect modesty from office-workers opposite when I emerge from the shower, the almost horizontal autumn sun casts a pin-hole image on the bedroom wall.
There was a sunspot clearly discernible, just off centre, on the almost circular disc. I looked up the image a few hours later on the Solar Dynamics Observatory (or its Wikipedia entry). The SDO is in space but there are many solar observatories with an online presence.
