\begin{table}%t1
\caption{\label{tab:nfi-sp-dat}NFI and SP data sets.}\vspace*{-1mm}
%\centering
\par
\begin{tabular}{c c c c c c c}
\hline \hline
NFI & & & & & & \\
 & Date & $xcen$ [$^{\prime \prime}$] & $ycen$ [$^{\prime \prime}$] & $\mu$ & exp [s] & FOV [$^{\prime \prime}$ $\times$ $^{\prime \prime}$]\\
\hline 
       1& 2008-01-16T11:13:34.821 &           4 &           0 &1.00& 4
 $ \times $ 0.20& 113. $  \times  $ 113.\\
       2& 2008-04-03T12:55:37.304 &         100 &        $-270$ &0.95& 4
 $ \times $ 0.20& 64.0 $  \times  $ 164.\\
       3& 2007-11-11T13:07:55.041 &        $-313$ &         $-57$ &0.94& 10
 $ \times $ 0.20& 41.0 $  \times  $ 164.\\
       4& 2007-12-01T11:04:34.300 &         325 &           3 &0.94& 4
 $ \times $ 0.12& 225. $  \times  $ 113.\\
       5& 2007-11-29T11:28:37.095 &         377 &        $-184$ &0.90& 4
 $ \times $ 0.20& 113. $  \times  $ 113.\\
       6& 2007-11-05T05:28:45.378 &         503 &         109 &0.84& 10
 $ \times $ 0.20& 41.0 $  \times  $ 164.\\
       7& 2007-11-05T07:27:33.212 &         518 &         110 &0.83& 10
 $ \times $ 0.20& 41.0 $  \times  $ 164.\\
       8& 2008-05-13T16:27:02.821 &         511 &         187 &0.82& 7
 $ \times $ 0.20& 56.3 $  \times  $ 113.\\
      9& 2007-11-15T10:09:35.952 &         $-58$ &        $-561$ &0.81& 10
 $ \times $ 0.20& 41.0 $  \times  $ 164.\\
      10& 2007-11-15T08:23:31.692 &         $-71$ &        $-561$ &0.81& 10
 $ \times $ 0.20& 41.0 $  \times  $ 164.\\
      11& 2008-04-05T20:34:34.811 &         542 &        $-291$ &0.77& 4
 $ \times $ 0.20& 64.0 $  \times  $ 164.\\
      12& 2007-11-13T00:44:33.710 &        $-303$ &        $-551$ &0.76& 10
 $ \times $ 0.20& 41.0 $  \times  $ 164.\\
      13& 2008-05-14T12:51:32.612 &         735 &         $-60$ &0.64& 4
 $ \times $ 0.20& 64.0 $  \times  $ 164.\\
      14& 2007-11-17T10:45:35.227 &         858 &        $-114$ &0.43& 3
 $ \times $ 0.20& 164. $  \times  $ 164.\\
      15& 2008-03-24T14:28:38.464 &         $-10$ &        $-947$ &0.31& 4
 $ \times $ 0.20& 64.0 $  \times  $ 164.\\
      16& 2008-03-22T16:48:40.335 &         $-10$ &        $-946$ &0.31& 4
 $ \times $ 0.20& 64.0 $  \times  $ 164.\\
      17& 2007-11-10T11:06:02.179 &          $-6$ &         928 &0.25& 7
 $ \times $ 0.20& 164. $  \times  $ 164.\\
      18& 2007-11-12T11:37:31.448 &         230 &         912 &0.20& 7
 $ \times $ 0.20& 164. $  \times  $ 164.\\
      19& 2007-12-19T09:34:40.109 &         931 &        $-163$ &0.19& 4
 $ \times $ 0.15& 113. $  \times  $ 113.\\
\hline
SP & & & & & \\
\hline
1& 2007-09-06T15:29:04.938 &         $-46$ &           6 &1.00&8.0 & 149 $\times$ 162 \\
2& 2007-09-10T15:03:12.528 &          87 &           7 &1.00&9.6 & 56  $\times$  162 \\
3& 2007-09-22T09:28:05.954 &          27 &         307 &0.95&13. & 47  $\times$  162\\
4& 2007-09-21T11:28:34.622 &          25 &         607 &0.77&13. & 47  $\times$  162\\
5& 2007-09-10T22:13:23.366 &        $-247$ &         656 &0.68&1.6 & 153  $\times$  162\\
6& 2008-01-21T06:02:48.747 &         760 &        $-387$ &0.46&13. & 56  $\times$  162\\
7& 2007-09-07T03:59:46.805 &         $-18$ &         922 &0.28&9.6 & 105  $\times$  162\\
8& 2007-09-03T16:06:00.480 &         144 &         922 &0.23&9.6 & 298  $\times$  162\\
9& 2007-11-03T05:17:25.426 &          54 &         952 &0.11&13. & 208  $\times$  162\\
10& 2007-11-01T06:18:20.542 &          93 &         952 &0.080&13. & 248  $\times$  162\\
\hline
\end{tabular}\vspace*{-3mm}
\end{table}