\begin{table}%T1
        \caption{Log of the IR observations of GRS~1915+105.} 
	\label{tabobsGRS1915}
%\centerline
$${
\begin{tabular}{l@{~~~~~}l@{~~~~~~}ll@{~~~~~}c@{~~~~~~}c@{~~~~~~}c}%cc@{~~}cc}
\hline
\hline
Date & MJD$^a$ 
& Timing & Filter & Wavelength & 
   Pixel field & Raster\\
 & & (UT) & & range & of view & size\\% & (mJy) & Lutz & Draine &\\
\hline
28 Apr. 1996 & 50201.45 & 10:55--11:03 & $LW3$ &  12--18~$\mu$m & 
   $6'' \times 6''$ & $ 2 \times 2$\\
      	      &   & 11:03--11:10 & $LW7$ & 8.5--10.7~$\mu$m &  
   $6'' \times 6''$ &  $ 2 \times 2$\\
      	      &   & 11:10--11:17 & $LW1$ &  4--5~$\mu$m &  
   $6''  \times 6''$ & $ 2 \times 2$\\
      	      &   & 11:17--11:25 & $LW8$ &  10.7--12~$\mu$m &  
   $6''  \times 6''$ & $ 2 \times 2$\\
28 Apr. 1996 & 50201.48 & 11:26--11:35 & $LW2$ &  5--8.5~$\mu$m &  
   $3''  \times 3''$ & $ 2 \times 2$\\
 & & \multirow{3}{\jot}{\mbox{11:15--11:27}~$\left\{ \begin{array}{l} \\ \\ \\ \end{array}\right.$} & $J$ & 1.25~$\pm$~0.15~$\mu$m &  
   $0.125'' \times 0.125''$& $2\times 2$\\
28 Apr. 1996 & 50201.47 & &  $H$ & 1.65~$\pm$~0.15~$\mu$m &  
   $0.125'' \times 0.125''$& $2\times 2$\\
	& & &  $K_{\rm s}$ & 2.15~$\pm$~0.15~$\mu$m &  
   $0.125'' \times 0.125''$& $2\times 2$\\[-3.6mm]\\
\hline
20 Oct. 1997 & 50741.94 & 22:26--22:42 & $LW10$ &  8--15~$\mu$m &  
   $1.5''  \times 1.5''$ & $ 2 \times 2$\\
24 Oct. 1997 & 50745.68 & 16:22--16:41 & $LW3$  & 12--18~$\mu$m &  
   $3''  \times 3''$ & $ 3 \times 3$\\
      	    &   & 16:41--17:00 & $LW7$ & 8.5--10.7~$\mu$m &  
   $3''  \times 3''$ & $ 3 \times 3$\\
      	    &   & 17:00--17:19 & $LW9$ & 14--16~$\mu$m   
   & $3''  \times 3''$ & $ 3 \times 3$\\
       	    &  & 17:19--17:38 & $LW6$ &  7--8.5~$\mu$m   
   & $3''  \times 3''$ & $ 3 \times 3$\\
       	    &  & 17:38--17:57 & $LW8$ & 10.7--12~$\mu$m  &  
   $3''  \times 3''$ & $ 3 \times 3$\\
       	    &  & 17:57--18:16 & $LW4$ &  5.5--6.5~$\mu$m &  
   $3''  \times 3''$ & $ 3 \times 3$\\
25 Oct. 1997 & 50746.02 & 00:22--00:47 & $LW2$ &  5--8.5~$\mu$m &  
   $1.5''  \times 1.5''$ & $ 3 \times 3$\\
\hline
\end{tabular}}$$
\par
\smallskip
$^a$ Modified Julian Date = Julian Date $-$ 2400000.5.
        \end{table}