You are correct. It was suppose to be a tricky question but you got it right out of the chute even if by accident, or did you consider the MDI unit?

That was the year, I think, the SOHO MDI unit started observing sunspots on the far side of the sun, thereby essentially doubling the number of (observable) sunspots.

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Lighten up! This is a stellar board! Author: duh.

"The Sun, with all the planets revolving around it, and depending on it, can still ripen a bunch of grapes as though it had nothing else in the universe to do..." Author: Galileo supposedly.