\documentstyle[twoside, ibvs2, ibvse , epsf]{article}

\begin{document}

\IBVShead{5929}{12 March 2010}

\IBVStitle{CCD Minima for Selected Eclipsing Binaries in 2009}

%Corrected: Mon Apr  5 07:40:31 MEST 2010

\IBVSauth{Nelson, Robert H.}

\IBVSinst{1393 Garvin Street, Prince George, BC, Canada, V2M 3Z1 
        e-mail: bob . nelson @ shaw . ca}


\begintext

\vspace*{-1cm}

\IBVSEobs{Sylvester Robotic Observatory (SRO):  33 cm f/4.5 Newtonian on Paramount ME  mount}

\IBVSEdet{SRO:  SBIG ST-7XME, 1\farcs25 pixels, 15\farcm8 $\times$ 10\farcm5 FOV, cooled $-10 < T < -30 \deg$ C}

\IBVSEred{Aperture photometry using MIRA, by Mirametrics.}

\IBVSEmethod{Digital tracing paper method, bisection of chords, curve fitting, and (occasionally) Kwee and van Woerden (1956)}

{\normalsize
\IBVSEmins{
QR And&55109.745&0.001&II&c& \\
ZZ Aur&54880.7941&0.0005&II&c&   \\
DN Aur&55109.9052&0.0003&I&c&   \\
HP Aur&54888.7294&0.0002&I&c&   \\
V0560 Aur&54889.6840&0.0004&I&R&  \\
V0567 Aur&54890.648&0.001&I&R&  \\
TU Boo&54895.8029&0.0002&II&R&   \\
TZ Boo&54877.9187&0.0003&II&R&   \\
XY Boo&54872.8873&0.0003&I&c&   \\
DN Boo&54899.8538&0.0004&I&R& \\
FY Boo&54901.8492&0.0004&II&R&   \\
FY Boo&54912.8242&0.0003&I&R&   \\
GM Boo&54888.9036&0.0003&I&c&   \\
GN Boo&54889.8313&0.0002&II&R&   \\
GN Boo&54858.0134&0.0002&I&c&   \\
GR Boo&54937.8123&0.0001&I&R&   \\
HR Boo&54900.8755&0.0005&I&R&  \\
AO Cam&55149.7175&0.0001&II&R&   \\
CD Cam&55166.825&0.002&I&c&   \\
MP Cam&55108.7950&0.0003&I&c&   \\
NO Cam&55108.9387&0.0001&II&c& \\
ZZ Cas&55114.6494&0.0003&I&R&   \\
DN Cas&55087.890&0.001&I&R&   \\
}

\IBVSEmins{
V0520 Cas&55046.9002&0.0003&II&R&   \\
V0608 Cas&55170.6927&0.0002&I&c&   \\
V1009 Cas&55113.7607&0.0002&II&c& \\
V1011 Cas&55171.588&0.001&I&c& \\
GSC2.2 N311332336840 &55050.8578&0.0003&II&R&   \\
SU Cep&54986.8694&0.0002&II&R&   \\
V0738 Cep&55000.839&0.002&II&R& \\
XZ CMi&54862.7529&0.0002&I&c&   \\
CZ CMi&55159.977&0.001&I&R&   \\
AH Cnc&54883.7412&0.0003&I&c&   \\
EH Cnc&54882.8580&0.0002&II&c&   \\
G1927-0862&54884.9130&0.0002&II&c&   \\
IR Cnc&54879.6708&0.0003&II&c&   \\
AS CrB&54945.7762&0.0002&I&R&   \\
AV CrB&54948.8171&0.0002&II&R&   \\
VW CVn&54916.7284&0.0004&II&R&   \\
BO CVn&54950.7803&0.0003&I&R&   \\
CX CVn&54913.8222&0.0004&I&R& \\
DE CVn&54937.709&0.001&I&R&   \\
DF CVn&54879.8491&0.0002&II&c&   \\
EE CVn&54883.8805&0.0003&II&c&   \\
G2544-1007&54913.7168&0.0004&I&R&   \\
G2544-1090&54918.7859&0.0003&II&R&   \\
G2545-0970&54857.0824&0.0004&I&R&   \\
G2545-0970&54936.7183&0.0003&I&R&   \\
G2545-0970&54856.9018&0.0004&II&R&   \\
G3034-0299&54879.9715&0.0001&II&c&   \\
ZZ Cyg&54990.9041&0.0001&I&R&   \\
CV Cyg&54911.9944&0.0004&I&R&   \\
DO Cyg&55087.7001&0.0003&I&R&   \\
V0841 Cyg&54984.8749&0.0004&II&R&   \\
V1171 Cyg&54979.8017&0.0002&I&R&   \\
V1191 Cyg&55086.8059&0.0002&II&R&   \\
V1305 Cyg&55115.7064&0.0003&I&c&   \\
V1763 Cyg&54950.8897&0.0003&I&R&   \\
V1823 Cyg&54978.8404&0.0002&II&R&   \\
V2197 Cyg&54951.9013&0.0001&I&R&   \\
G3550-1770&54937.9371&0.0003&I&R& \\
G3575-3593&54992.821&0.001&I&R&   \\
G3576-0170&54990.796&0.001&II&R&   \\
BV Dra&54943.7793&0.0001&I&R&   \\
CV Dra&54896.0395&0.0002&II&R&   \\
FU Dra&54949.7633&0.0003&II&R&   \\
G3552-0321&54998.8293&0.0003&I&R&   \\
G3905-0060&54982.8120&0.0001&I&R&   \\
AF Gem&54888.6372&0.0005&I&c&   \\
V0345 Gem&54862.638&0.001&II&c&   \\
V0367 Gem&55159.8243&0.0003&I&R& \\
V0373 Gem&54876.8499&0.0005&II&R& \\
V0390 Gem&55172.8410&0.0003&I&c&  \\
G1330-0287&55159.8652&0.0005&II&c&   \\
G1356-2826&54857.7415&0.0004&II&R&   \\
IT Her&54953.9334&0.0003&II&R&   \\
V0829 Her&54901.9444&0.0001&I&R&   \\
}

\IBVSEmins{
V0842 Her&54872.9947&0.0001&II&c&   \\
V0856 Her&54953.7837&0.0002&I&R&   \\
V0857 Her&54916.9348&0.0001&II&R&   \\
V1033 Her&54882.9794&0.0003&II&c&   \\
V1036 Her&54951.8058&0.0003&I&R&   \\
V1052 Her&54948.9056&0.0002&II&R&   \\
V1094 Her&54952.8124&0.0003&II&R&   \\
V1094 Her&54949.8726&0.0002&II&R&   \\
V1103 Her&54985.8244&0.0003&II&R&   \\
G1518-0913&54916.8018&0.0005&II&R&   \\
G2587-1888&54945.8825&0.0005&II&R&   \\
G2614-1369&54889.0091&0.0005&II&c&   \\
G2618-1385&54895.9315&0.0002&I&R&   \\
G3101-0547&54919.9164&0.0003&I&R&   \\
G3532-0553&54912.9464&0.0002&II&R&   \\
IZ Lac&55062.815&0.001&II&R&   \\
XY Leo&54908.6876&0.0003&I&R&   \\
GV Leo&54900.7214&0.0002&II&R&   \\
RY Lyn&54919.7707&0.0001&I&R&   \\
EL Lyn&55184.876&0.002&II&c&  \\
IW Lyr&55065.781&0.001&I&R&   \\
V0563 Lyr&54952.9401&0.0002&I&R&   \\
V0592 Lyr&55049.8215&0.0002&II&R&   \\
G3109-0859&54918.8899&0.0003&II&R&   \\
IX Mon&55149.9177&0.0001&I&c&   \\
V0448 Mon&54882.6631&0.0003&II&c&   \\
V0530 Mon&54875.6770&0.0003&II&c&   \\
V0392 Ori&55163.853&0.001&I&R&   \\
V1799 Ori&55113.8532&0.0005&II?&c&  \\
PU Peg&55108.70&0.01&II&V&  \\
G2765-0348&55046.7953&0.0002&I&R&   \\
V0427 Per&55166.7236&0.0002&I&c&   \\
V0432 Per&55065.9185&0.0002&I&R&   \\
V0680 Per&55171.8248&0.0003&II&c&   \\
V0740 Per&55159.7533&0.0001&I&R&   \\
RV Psc&55185.5696&0.0002&I&R&   \\
CP Psc&55188.7005&0.0002&I&R&   \\
DS Psc&55170.6345&0.0003&I&c&   \\
DZ Psc&55171.7433&0.0002&I&c&   \\
AS Tau&54881.7521&0.0004&I&c&   \\
EN Tau&54856.6968&0.0002&I&R&   \\
EQ Tau&55171.8725&0.0002&I&c&   \\
HY Tau&55170.7832&0.0003&I&c&  \\
IL Tau&55114.9225&0.0002&I&c&   \\
G1874-0399&55184.7375&0.0003&II&c&   \\
UY UMa&54857.8866&0.0002&I&c&   \\
XY UMa&55166.903&0.001&II&V&   \\
ZZ UMa&54876.6902&0.0003&I&R&   \\
ES UMa&55188.7928&0.0002&II&R&   \\
HH UMa&54872.7367&0.0004&II&c&   \\
LP UMa&54884.7505&0.0003&II&c&   \\
OQ UMa&54896.7607&0.0002&II&R&  \\
BO Vul&54988.8636&0.0001&I&R&   \\
G2140-1485&55166.6001&0.0002&II&c&   \\
G2144-1499&54983.8089&0.0005&I&R&  \\
}
}

\IBVSEremexp{
All elements can be found in Nelson, R.H., 2010.\\
}


\IBVSEack{Thanks are due to Environment Canada for the website satellite views (see reference below) that were essential in predicting clear times for observing runs in this cloudy locale.  Thanks are also due to Atilla Danko for his `Clear Sky Clocks', (see below).  
This research has made use of the SIMBAD database, operated at CDS, Strasbourg, France.}


\references

Danko, A., Clear Sky Clocks, {\tt http://cleardarksky.com/}

Kwee, K.K., \& van Woerden, H., 1956, {\it B.A.N.}, {\bf 12}, (464), 327-330

Nelson, R.H., 2010, Eclipsing Binary $O-C$ Files, \\
{\tt http://www.aavso.org/observing/programs/eclipser/omc/ }

Satellite Images for North America, \\
{\tt http://www.weatheroffice.gc.ca/satellite/index\_e.html }

\endreferences

\end{document}
