\begin{table}%t1
\caption{\label{t:targets}Target sources and type of observation made.}
%\centering
\small
\begin{tabular}{llll@{}}
\hline\hline\noalign{\smallskip}
Source & RA(2000) & Dec(2000) & Observation  \\
\hline
SgrB2MC       & 17:47:20.04 &$-$28:23:06.3 & AB1, AB13 \\
G10.62-0.38   & 18:10:28.61  &$-$19:55:49.6  & map, AB13\\
G10.96+0.01E  & 18:12:40.25  &$-$19:25:39.3  & map \\  
G10.96+0.01W  & 18:12:36.62  &$-$19:25:39.4  & map\\	
G12.21-0.10   & 18:12:39.64  &$-$18:24:20.0  & map\\
G25.5+0.2     & 18:39:46.19  &$-$06:26:49.7  & map \\
G28.20-0.04N  & 18:28:10.43  &$-$11:28:48.8  & map, AB13 \\ 
G28.20-0.04S  & 18:28:10.76  &$-$11:29:27.6  & AB1, AB3\\
G28.28-0.36   & 18:44:15.03  &$-$04:17:55.2  & map \\	
G29.96-0.02   & 18:46:03.87  &$-$02:39:21.9& map\\
G30.54+0.02   & 18:46:59.32  &$-$02:07:24.8& map \\	
G31.41+0.31   & 18:47:34.49  &$-$01:12:43.3& map, AB13\\
G32.80+0.19   & 18:50:30.60  &$-$00:01:59.4& map, AB13\\	
G33.560+0.20  & 18:51:46.66  &+00:35:32.3  & map \\	
G33.13-0.09   & 18:52:07.90  &+00:08:11.6  & map, AB13\\	
G34.26+0.15B  & 18:53:18.66  &+01:15:00.5    & map, AB13 \\
G35.20-1.74   & 19:01:46.44  &+01:13:24.6    & map, AB13 \\	
G41.71+0.11   & 19:07:09.75  &+07:51:36.1  & map \\	
G43.89+0.1    & 19:14:26.11  &+09:22:34.0   & map, AB13 \\
G45.07+0.13   & 19:13:22.02  &+10:50:53.4  & map \\	
G45.12+0.13   & 19:13:27.78  &+10:53:36.7  & map \\	
W51D          & 19:23:39.86  &+14:31:08.2  & map, AB3,\\
              &              &               &AB13 \\ 
G70.29+1.60   & 20:01:45.66  &+33:32:43.4    & map, AB3, $^{a)}$\\
G75.78        & 20:19:51.99  &+37:17:01.6   & AB3, AB1 \\
G81.67+0.53   & 20:39:01.04  &+42:19:30.9    & map, AB13 \\	
G81.68+0.54   & 20:39:01.13  &+42:19:53.3    & map, AB13 $^{b)}$  \\	
NGC 7538B      & 23:13:45.29  &+61:28:10.7    & AB1 \\
G111.612      & 23:15:31.13  &+61:07:13.5    & AB3, AB1 \\
NGC 7538IRS1   & 23:13:45.34  &+61:28:10.4  & map $^c)$\\
NGC 7538IRS2   & 23:13:45.45  &+61:28:18.8  & AB3, AB1 \\
\hline
\end{tabular}
\tablefoot {map: HERA map made simultaneously in \Ha{30} and \HCOpd; 
AB3: parallel observation of \Ha{39} and \HCOpe\ at peak of source;
AB1: parallel observation of \Ha{30} and \HCOpd\ at peak of source;
AB13: observation of \HdzCO\ at peak of source. \\
\tablefoottext{a}{K3--50A;}
\tablefoottext{b}{included in the maps of {\it G81.67+0.53};}
\tablefoottext{c}{includes IRS~2.}}
\end{table}