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\begin{document}
\markboth{Panko \&  Flin}{Erratum: A Catalogue of Galaxy Clusters
and Groups}
\title{\parbox{\textwidth}{ {\normalsize \sl 2006: The Journal of
Astronomical Data 12, 1.    \hfill \copyright\ E. Panko \& P.
Flin}}\\ {\vspace{5mm} Erratum: A Catalogue of Galaxy Clusters and
Groups Based on the Muenster Red Sky Survey }}
\author{E. Panko$^1$ and P. Flin$^2$\\
\\
\small (1) Kalinenkov Astronomical Observatory of the Nikolaev
State University,\\ \small   Nikolskaya 24,  Nikolaev 54030,
Ukraine \small \it (tajgeta@gmail.com)\\
\small (2) Institute of Physics,
Pedagogical University, ul. Swietokrzyska 15, \\
\small 25-406 Kielce, Poland \small \it (sfflin@cyf-kr.edu.pl) }\\

\maketitle \noindent {\bf Keywords:} galaxy clusters, catalogues\\
\\
The paper "A Catalogue of Galaxy Clusters and Groups Based on the
Muenster Red Sky Survey" was published in The Journal of
Astronomical Data, 12 p.1-9 (2006). In the paper and attached
catalogue column 18 containing mean position angle of galaxies in
structure is incorrect. The correct version of the Table 1 is
reproduced here.
\\
\\

\begin{table}[!t]
\caption{Structure of the {\sc PF~Catalogue}.}\vspace{2mm}
\scriptsize
\begin{tabular}{lrrrrrrrrrr}
\hline\\ %[1mm]
 Ident&   R.A. &      Dec.&    $R$  &  $S\phantom{m}$  &   $N\phantom{1}$& $N_m$ & $n_{bg}$ & $a\phantom{o}$ &  $b\phantom{1}$ &  $E\phantom{m}$  \\
 &&&&   ${\rm PA}_m$ & $m_1$&    $m_3$ &   $m_{10}$ &    ${\rm PA}_1$&  $E_m$  &  ${\rm PA}_m$\\[1mm]
\hline\\[1mm]
 0000-3612&  0.0003655 &$-$36.119448 & 248 &   84382 & 14 & 14 &  4& 241 &176& 0.27  \\
&&&&  45.8& 15.39 &17.09& 17.88  &     97.1 &0.37& 34.1\\[2mm]

0000-3045 & 0.0015391 &$-$30.447226 & 776  & 739940 & 63&  63&  35& 841& 655& 0.22\\
&&&& 132.4  &  15.35 &16.38& 17.13 &   53.5 &0.33&  74.4\\[2mm]

0000-6650 & 0.0022222& $-$66.499423 & 744&  1294000&  50 & 50&  25& 747&568& 0.24\\
&&&&    71.1 &   14.14 &15.88 &16.63&       81.8 &0.34& 112.4\\[2mm]

0000-7209&  0.0022401& $-$72.080531&  622&   516900 & 28 & 28&  15& 646&402&  0.38\\
&&&&   179.8 &   15.95 &16.87& 17.43&        6.8& 0.31&  172.9\\[2mm]

0000-2521 & 0.0039350& $-$25.201199&  749 & 1112300&  80 & 80 & 34& 676&548 & 0.19 \\
&&&& 118.6  &  15.17 &15.94 &16.27  &      0.0 &0.29&  105.3\\[2mm]

0000-5700 & 0.0044515& $-$56.995964 & 416 &  191060 & 22 & 22 &  9& 438&27& 0.38\\
&&&&    61.6&    16.50 &16.81& 17.38 &     153.4& 0.27&  157.2\\[2mm]

0000-3746 & 0.0046668& $-$37.456856&  396&   341670 & 25 & 25 & 11& 394&271& 0.31\\
&&&&  151.2 &   15.87 &16.33& 17.14 &      90.9 &0.33 & 47.9\\[2mm]

0000-3946&  0.0062652& $-$39.451021 & 881 & 2191400&  89 & 89&  43& 912&705& 0.23\\
&&&&    108.2  &  14.74 &15.75 &16.45 &      56.2& 0.30&  97.7\\[2mm]

0000-4738&  0.0077480& $-$47.370013&  797 & 1190100 & 88 & 56 & 38& 706&630 & 0.11\\
&&&&    32.6&    13.88& 14.81& 16.26 &      23.7& 0.33&   46.9\\[2mm]

\hline

\end{tabular}
\end{table}

   \end{document}