\begin{table}%t1
\caption{Log of observations.}
\label{tab1}      
%\centering
\par
\begin{tabular}{lccccccccc}
\noalign{\smallskip}
\hline\hline
Object & RA J2000 & Dec J2000 & $z$ & $\sigma (z)$ &  $A_{\rm V}$ & Date & Instr. & Exp. & $S/N$\\
\hline
2MASXJ005050+3536& 00 50 51 & +35 36 43 & 0.0585 & 0.0004 & 0.14 & 08.09.2004 & Rz 2.0 &   2700 &  36\\
MCG+08.17.060    & 09 13 46 & +47 42 00 & 0.0524 & 0.0005 & 0.05 & 19.03.2004 & Rz 2.0 & 2~$\times $~2400 &  10\\
RXS J11401+4115  & 11 40 03 & +41 15 05 & 0.0717 & 0.0002 & 0.06 & 22.06.2005 & Sk 1.3 & 2~$\times $~1200 &  12\\
PG 1211+143      & 12 14 18 & +14 03 13 & 0.0815 & 0.0003 & 0.11 & 23.06.2005 & Sk 1.3 & 2~$\times $~1200 &  27\\
RXS J12308+0115  & 12 30 50 & +01 15 21 & 0.1183 & 0.0005 & 0.06 & 24.06.2005 & Sk 1.3 &   1200 &  25\\
RXS J16312+0955  & 16 31 16 & +09 55 58 & 0.0917 & 0.0005 & 0.18 & 17.08.2004 & Sk 1.3 & 2~$\times $~2700 &  35\\
RXS J17233+3630  & 17 23 25 & +36 30 25 & 0.0400 & 0.0003 & 0.16 & 29.06.2005 & Rz 2.0 &   1800 &  25\\
IRAS 18423+2201  & 18 44 30 & +22 04 28 & 0.0464 & 0.0004 & 0.69 & 11.08.2005 & Sk 1.3 & 2~$\times $~2400 &  15\\
NPM1G+27.0587    & 18 53 04 & +27 50 28 & 0.0620 & 0.0004 & 0.49 & 10.08.2005 & Sk 1.3 & 2~$\times $~1800 &  31\\
                 &          &           &        &        &      & 04.05.2005 & Rz 2.0 &   1800 &  29\\
RXS J20440+2833  & 20 44 04 & +28 33 09 & 0.0492 & 0.0005 & 1.03 & 28.08.2005 & Sk 1.3 &   2400 &  38\\
                 &          &           &        &        &      & 30.06.2005 & Rz 2.0 &   1800 &  33\\
NPM1G$-$05.0589  & 21 03 38 &$-$04 55 40& 0.0575 & 0.0002 & 0.27 & 18.08.2004 & Sk 1.3 & 2~$\times $~2700 &  31\\
RXS J21240$-$0021& 21 24 02 &$-$00 21 58& 0.0617 & 0.0003 & 0.15 & 17.08.2004 & Sk 1.3 & 2~$\times $~2700 &  36\\
NPM1G+24.0470    & 21 39 41 & +24 24 18 & 0.0390 & 0.0005 & 0.23 & 10.08.2005 & Sk 1.3 &   2400 &  26\\
RXS J21592+0952  & 21 59 12 & +09 52 42 & 0.1003 & 0.0002 & 0.21 & 19.08.2004 & Sk 1.3 & 2~$\times $~2700 &  39\\
RXS J22027$-$1304& 22 02 45 &$-$13 04 53& 0.0391 & 0.0003 & 0.14 & 28.08.2005 & Sk 1.3 & 2~$\times $~2400 &  22\\
RXS J22160+1107  & 22 16 04 & +11 07 26 & 0.0514 & 0.0005 & 0.21 & 10.08.2005 & Sk 1.3 &   2400 &  16\\
RXS J22287+3335  & 22 28 46 & +33 35 08 & 0.0906 & 0.0004 & 0.29 & 11.08.2005 & Sk 1.3 & 2~$\times $~2400 &  35\\
NPM1G$-$04.0637  & 22 53 11 &$-$04 08 49& 0.0257 & 0.0002 & 0.14 & 11.08.2005 & Sk 1.3 & 2~$\times $~2400 &  24\\
\hline
\end{tabular}
\end{table}