\begin{table}%t1
\caption{\label{table:all850} SCUBA 850~$\mu$m (350 GHz) GRB~afterglow observations.}
%\begin{center}
{
\begin{tabular}{l l l l l l l l}
\hline\hline       
Burst       & \multicolumn{2}{c}{SCUBA observing times} & Time since   & Integration & $\tau_{850}$ & Afterglow 850~$\mu$m \\
            & Start                & Stop               & burst (days) & time (s)  &              & flux density (mJy)   \\
\hline                    
GRB~021004  & 20021004.622 & 20021004.665 & \phantom{1}0.140 & 1980 & 0.47 & $\phantom{-4.5} 5 \pm 26$ \\
            & 20021005.349 & 20021005.365 & \phantom{1}0.853 & \phantom{1}900 & 0.44 & \phantom{1}$-4.0 \pm 5.0$ \\
            & 20021006.353 & 20021006.481 & \phantom{1}1.913 & 4662 & 0.27 & $\phantom{-1} 0.9 \pm 1.5$ \\
            & 20021011.434 & 20021011.543 & \phantom{1}6.984 & 5400 & 0.19 & \phantom{1}$-3.7 \pm 1.5$$^a$ \\
\\
GRB~021211  & 20021212.488 & 20021212.520 & \phantom{1}1.033 & 1800 & 0.23 & $\phantom{-1} 2.1 \pm 2.5$ \\
            & 20021221.429 & 20021221.460 & \phantom{1}9.973 & 1800 & 0.40 & \phantom{1}$-2.4 \pm 3.0$ \\
\\
GRB~030115  & 20030118.410 & 20030118.501 & \phantom{1}3.314 & 4500 & 0.34 & $\phantom{-1} 0.2 \pm 1.8$ \\
\\
GRB~030226  & 20030226.386 & 20030226.418 & \phantom{1}0.245 & 1800 & 0.35 & $\phantom{-1} 5.1 \pm 2.6$ \\ 
            & 20030226.386 & 20030226.531 & \phantom{1}0.301 & 6498 & 0.35 & $\phantom{-1} 1.2 \pm 1.3$ \\
            & 20030227.412 & 20030227.477 & \phantom{1}1.288 & 3600 & 0.35 & \phantom{1}$-1.9 \pm 1.8$$^{a}$ \\
            & 20030228.489 & 20030228.564 & \phantom{1}2.369 & 3618 & 0.22 & $\phantom{-1}0.0 \pm 1.5$$^{a}$ \\
            & 20030322.542 & 20030322.574 &           24.401 & 1800 & 0.48 & \phantom{1}$-4.3 \pm 3.8$ \\
\\
GRB~041006  & 20041006.604 & 20041006.618 & \phantom{1}0.098 & \phantom{1}720 & 0.25 & $\phantom{-1} 2.0 \pm 5.0$ \\
            & 20041007.374 & 20041007.590 & \phantom{1}0.969 & 4320 & 0.23 & $\phantom{-1} 0.9 \pm 1.3$ \\
\hline 
\end{tabular}}
\parbox{14cm}{
$^a$ Not corrected for small pointing error.  }
%\end{center}
\par
\end{table}