Saturday, February 07, 2009

20090207 Sun

Seeing 3/10, transparency 2/10. Low activity.

1259 (GMT+8), there're two extremely small active regions:-


1301 (GMT+8):-


Additional Remarks:

They should be called ephemeral regions, which are basically small magnetic dipoles that could develop into true active regions. Thank David Knisely for pointing out.

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