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

\begin{document}

\IBVShead{5820}{7 April 2008}

\IBVStitle{CCD Minima for Selected Eclipsing Binaries in 2007}

\IBVSauth{Nelson, Robert H.}

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


\begintext

\IBVSEobs{Sylvester Robotic Observatory (SRO):  33 cm f/4.5 Newtonian on Paramount GT-1100s mount}

\IBVSEdet{SRO:  SBIG ST-7XME, 1.25” pixels, 15\farcm 8 $\times$ 10\farcm5 FOV, cooled $-10 < T < -30$ \deg C}

\IBVSEred{Aperture photometry using MIRA, by Axiom Research.}

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


\IBVSEmins{
WZ And	& 54452.6138	& 0.0002	& II 	& R  & \\
BL And	& 54409.6187	& 0.0004	& I 	& R  & \\
GI Aur	& 54412.8176	& 0.0002	& I 	& R  & \\
IZ Aur	& 54127.5901	& 0.0002	& I 	& c & \\
MU Aur	& 54161.7816	& 0.0005	& I 	& c & \\
V0402 Aur	& 54435.6811	& 0.0005	& II 	& R  & \\
V0404 Aur	& 54398.8961	& 0.0002	& I 	& R  & \\
V0410 Aur	& 54378.8722	& 0.0003	& II 	& R  & \\
TY Boo	& 54155.8767	& 0.0002	& II 	& R & \\
AC Boo	& 54131.9628	& 0.0005	& I 	& R & \\
GQ Boo	& 54161.902	& 0.001	& I 	& R & \\
GR Boo	& 54181.8356	& 0.0002	& I	& R & \\
GT Boo	& 54209.8456	& 0.0005	& II 	& R & \\
AO Cam	& 54134.6098	& 0.0001	& II 	& R & \\
DN Cam	& 54352.887	& 0.001	& II 	& B  & \\
MT Cam	& 54442.6343	& 0.0001	& I 	& R  & \\
V0445 Cas	& 54354.954	& 0.003	& II 	& R  & \\
V0471 Cas	& 54356.7491	& 0.0002	& II	& c  & \\
V0471 Cas	& 54357.7510	& 0.0002	& I	& R  & \\
V0471 Cas	& 54358.7535	& 0.0002	& II 	& R  & \\
V0471 Cas	& 54381.8075	& 0.0002	& I 	& R  & \\
}

\IBVSEmins{
V0471 Cas	& 54382.8096	& 0.0003	& II 	& R  & \\
V0520 Cas	& 54435.593	& 0.001	& II 	& c  & \\
NW Cep	& 54398.6343	& 0.0004	& I 	& R  & \\
EH Cnc	& 54441.8327	& 0.0003	& II 	& R  & \\
FF Cnc	& 54455.8268	& 0.0002	& II 	& R  & \\
HN Cnc	& 54399.0193	& 0.0002	& I 	& R  & \\
RZ Com	& 54181.7267	& 0.0002	& I	& R & \\
LQ Com	& 54133.9190	& 0.0001	& I? 	& R & \\
RW CrB	& 54220.8444	& 0.0001	& I 	& R & \\
BI CVn	& 54177.7284	& 0.0001	& II 	& R & \\
BO CVn	& 54131.8950	& 0.0002	& II 	& R & \\
DF CVn	& 54153.814	& 0.001	& II 	& R & \\
DH CVn	& 54187.7679	& 0.0002	& II 	& R & \\
G2533-1563 CVn	& 54130.9201	& 0.0002	& II 	& R & \\
G2534-1121 CVn	& 54180.8174	& 0.0002	& I	& R & \\
G2537-0520 CVn	& 54217.8755	& 0.0003	& I 	& R & \\
V0680 Cyg	& 54357.833	& 0.003	& II 	& BVR  & \\
V0680 Cyg	& 54360.8332	& 0.0003	& I 	& BVR  & \\
V0700 Cyg	& 54210.9659	& 0.0004	& I 	& R & \\
V0841 Cyg	& 54352.7540	& 0.0001	& I 	& R  & \\
V1191 Cyg	& 54440.5940	& 0.0002	& II 	& R  & \\
V1918 Cyg	& 54220.9430	& 0.0002	& II 	& R & \\
V2282 Cyg	& 54225.9364	& 0.0003	& II 	& R & \\
BV Dra	& 54220.7367	& 0.0002	& II 	& B  & \\
BW Dra	& 54220.7163	& 0.0002	& II 	& B  & \\
FU Dra	& 54187.8788	& 0.0003	& II 	& R & \\
RW Gem	& 54155.7573	& 0.0001	& I 	& R & \\
AC Gem	& 54381.9507	& 0.0002	& I 	& R  & \\
BD Gem	& 54127.6834	& 0.0002	& I 	& R & \\
V0345 Gem	& 54155.6440	& 0.0003	& I 	& B & \\
V0719 Her	& 54233.739	& 0.001	& II 	& c  & \\
V0728 Her	& 54233.8613	& 0.0001	& II 	& R  & \\
V1055 Her	& 54229.8543	& 0.0002	& I 	& R & \\
V1073 Her	& 54211.8555	& 0.0001	& II 	& R & \\
G3092-1291 Her	& 54219.8302	& 0.0003	& I 	& R & \\
V0390 Hya	& 54130.7676	& 0.0001	& I 	& R & \\
V0342 Lac	& 54403.7319	& 0.0002	& I 	& R  & \\
SW Lyn	& 54378.9910	& 0.0001	& I 	& V  & \\
SW Lyn	& 54440.8222	& 0.0002	& I 	& R  & \\
DZ Lyn	& 54405.9692	& 0.0003	& II 	& R  & \\
AH Lyr	& 54403.6053	& 0.0003	& I 	& R  & \\
V0411 Lyr	& 54218.899	& 0.001	& I 	& c  & \\
V0574 Lyr	& 54354.7252	& 0.0001	& II 	& R  & \\
V0714 Mon	& 54153.6300	& 0.0003	& II 	& R & \\
DM Peg	& 54355.766	& 0.001	& I 	& R  & \\
DK Per	& 54441.599	& 0.001	& II 	& R  & \\
IU Per	& 54354.8190	& 0.0001	& I 	& R  & \\
}

\IBVSEmins{
KR Per	& 54442.7613	& 0.0001	& I 	& R  & \\
KW Per	& 54443.673	& 0.001	& I 	& R  & \\
V0432 Per	& 54131.6044	& 0.0005	& II 	& VRI & \\
V0432 Per	& 54131.7959	& 0.0002	& I 	& VRI & \\
V0432 Per	& 54133.7124	& 0.0002	& I 	& VRI & \\
V0432 Per	& 54134.7123	& 0.0001	& II 	& VRI & \\
V0432 Per	& 54185.6516	& 0.0005	& II 	& R & \\
V0432 Per	& 54418.7038	& 0.0002	& II 	& VRI  & \\
V0579 Per	& 54432.747	& 0.001	& II 	& B  & \\
RV Psc	& 54423.8347	& 0.0002	& I 	& R  & \\
AU Ser	& 54225.8558	& 0.0001	& II 	& R & \\
OU Ser	& 54148.0127	& 0.0002	& I 	& V & \\
RZ Tau	& 54353.9033	& 0.0003	& I 	& R  & \\
SV Tau	& 54455.6836	& 0.0004	& II 	& R  & \\
AH Tau	& 54126.6057	& 0.0001	& II 	& R & \\
AM Tau	& 54440.8236	& 0.0002	& I 	& R  & \\
CR Tau	& 54415.7904	& 0.001	& I 	& c  & \\
CU Tau	& 54406.760	& 0.001	& I 	& R  & \\
EQ Tau	& 54355.8789	& 0.0002	& II	& R  & \\
V0781 Tau	& 54382.9345	& 0.0005	& I 	& R  & \\
UX UMa	& 54126.8701	& 0.0003	& I 	& c & \\
XY UMa	& 54442.8964	& 0.0001	& I 	& R  & \\
ZZ UMa	& 54455.9259	& 0.0001	& I 	& R  & \\
AA UMa	& 54154.8989	& 0.0002	& I 	& R & \\
BM UMa	& 54419.0613	& 0.0002	& II 	& c  & \\
HH UMa	& 54418.9558	& 0.0003	& I 	& R  & \\
G3449-0688 UMa	& 54435.9180	& 0.0001	& I 	& c  & \\
BG Vul	& 54415.6871	& 0.0003	& II 	& c  & \\
GI Vul	& 54217.964	& 0.001	& II	&R & \\
}


\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 Attila Danko for his `Clear Sky Clock', (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., Bob Nelson's O-C Files, {\tt http://binaries.boulder.swri.edu/binaries/omc/}

Satellite Images for North America, {\tt http://gfx.weatheroffice.ec.gc.ca/}

\endreferences

\IBVSedata{5820-t1.txt}

\end{document}
