New region 12729 [S05W38] (W22)was first observed with spots on December 3, decayed, then developed quickly during the latter half of December 4. SWPC numbered the region on Dec.5.
immagine mia em 4d
Stefano Zottele -
S-Spots Data from Jan Alvested Solen info
Position data from Agostino Frosini - Agopax.it
Images: Jan Alvested from Solen.info AND Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams.