\begin{table}%t1
\caption{\label{SG_table}The position and amplitude of the supergranulation peak for various data sets.}
\vspace*{-1.5mm}
%\centering
\par
\small\begin{tabular}{ccccccc} 
\hline\hline
\noalign{\smallskip}
Date & Instrument & FOV (Mm$^2$)& Filter & Time slot & $\lambda_{\rm
SG}$ (Mm) & $E_{\rm SG}$ (km$^3/{\rm s}^2$) \\
\hline
\multicolumn{7}{c}{ Wide-field data} \\
1996 May-Jul. & SOHO/MDI & global & Ni I, 676.8~nm & 62d & 36.4 & (200)\\
2000 Apr. 22& TRACE & $225\times 250$ & WL & $6\times 3$~h &  35.6 & 200 \\
2007 Apr. 24& TRACE & $238\times 275$ & WL & $2\times 3.4$~h &  29.8 & 490 \\
2007 Mar. 13& CALAS & $290\times 216$ & 575~nm & $2\times 3$~h & 36.4 & 350 \\
\multicolumn{7}{c}{Small-field data} \\
2007 Mar. 8& Hinode/SOT& $75.9\times 76.8$  & G-band &  4h   & no peak   & 220 \\
2007 Mar. 15& Hinode/SOT& $77.3\times 33.9$ & G-band &  $3\times 3$~h & 57/17--27  & 240/350  \\
2007 Aug. 29--30& Hinode/SOT & $76.6\times 76.6$ & blue & $11\times 3$~h & 28.7 & 600 \\
2007 Oct. 1 & Hinode/SOT & $2\times (76\times76)$ & blue & $2\times3.8$~h & 27/31 & 460/545 \\
\hline
\end{tabular}
\end{table}