\begin{table}%t3
\caption{\label{table:3}IRAS post-AGB star and PN candidates with no counterparts in the 2MASS PSC.}
\par
%%\centering

\small         
\begin{tabular}{lll}      
\hline\hline       
\multicolumn{1}{c}{Object} & 
\multicolumn{1}{c}{Optical} & 
\multicolumn{1}{l}{Comments} \\
\hline 
IRAS~04137$+$7016 & ~~~Yes & Two objects unresolved by 2MASS. \\
IRAS~05573$+$3156 & ~~~No  & Diffuse emission. \\
IRAS~06499$+$0145 & ~~~Yes & Diffuse emission. \\
IRAS~11381$-$6401 & ~~~Yes & Two objects unresolved by 2MASS. \\
IRAS~11544$-$6408 & ~~~Yes & Source very faint. 2MASS magnitudes not available. \\
IRAS~12360$-$5740 & ~~~Yes & 2MASS magnitudes contaminated by a nearby star. \\
IRAS~12405$-$6219 & ~~~No  & Diffuse emission or multiple objects unresolved by 2MASS. \\
IRAS~13293$-$6000 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~13427$-$6531 & ~~~Yes & Multiple objects unresolved by 2MASS. \\
IRAS~13529$-$5934 & ~~~Yes & Two objects unresolved by 2MASS. \\
IRAS~14249$-$5310 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~15103$-$5754 & ~~~No  & Diffuse emission. \\
IRAS~15229$-$5433 & ~~~Yes & Diffuse emission or multiple objects unresolved by 2MASS. \\
IRAS~15452$-$5459 & ~~~No  & Diffuse emission. \\  
IRAS~15534$-$5422 & ~~~Yes & Diffuse emission. \\
IRAS~16209$-$4714 & ~~~Yes & 2MASS magnitudes contaminated by a nearby star. \\
IRAS~16296$-$4507 & ~~~Yes & Diffuse emission or two objects unresolved by 2MASS. \\
IRAS~16333$-$4807 & ~~~No  & Diffuse emission. \\
IRAS~16507$-$4810 & ~~~Yes & Diffuse emission or two objects unresolved by 2MASS. \\
IRAS~17009$-$4154 & ~~~No  & Diffuse emission. \\
IRAS~17052$-$3245 & ~~~No  & Source very faint. 2MASS magnitudes not available. \\
IRAS~17150$-$3224 & ~~~Yes & Diffuse emission, the Cotton Candy Nebula. \\
IRAS~17234$-$4008 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~17269$-$2235 & ~~~Yes & Two objects unresolved by 2MASS. \\
IRAS~17301$-$2538 & ~~~Yes & Two objects unresolved by 2MASS. \\
IRAS~17361$-$4159 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~17376$-$3448 & ~~~No  & Diffuse emission or multiple objects unresolved by 2MASS. \\
IRAS~17418$-$3335 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~17479$-$3032 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~17487$-$1922 & ~~~Yes & Two objects unresolved by 2MASS. \\
IRAS~17506$-$2955 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~17560$-$2027 & ~~~Yes & Two objects unresolved by 2MASS. \\
IRAS~18087$-$1440 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~19015$+$1256 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~19071$+$0857 & ~~~No  & Diffuse emission or multiple objects unresolved by 2MASS. \\
IRAS~19178$+$1206 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~19208$+$1541 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~20035$+$3242 & ~~~No  & Two objects unresolved by 2MASS. \\
IRAS~21554$+$6204 & ~~~No  & Two objects unresolved by 2MASS. \\
\hline
\end{tabular}
\end{table}