George McCook and Guinan continue to observe several types of
variable stars with the Four College 0.8M APT and the Fairborn-Villanova
0.8M APT. During 1994/95, McCook was the Principle Astronomer with the
Fairborn-Villanova APT. UBVRI or Strömgren uvby and
H
narrow-and wide-band filters were used. Observations of the
following stars were obtained: Pre main-sequence variables: GW Ori,
V1331 Cyg, V410 Tau, V773 Tau (=HD 283447), SU Aur; Pulsating variable
stars: 
Her, Mira, 9 Aur, 14 Aur AB , and HD 135262; Be-star:
Ori; Post AGB variables: FG Sge and HD 187885; The solar
proxies (G0 V - G8 V stars) of different ages: HD 129333 (= EK Dra), 59
Vir, HN Peg, 
UMa, 
Ori, HD 1836 (=BE Ceti), HD
134319, 
Cet, 15 Sge, 51 Peg, and the old, high velocity
stars Gmb 1830, HR 9107, and HD 152391. These were extensively observed
to determine rotation periods, the properties of starspots, and to
investigate differential rotation and activity cycles. In addition,
several chromospherically active binaries (= RS CVn stars), BY Dra
variables and related stars were observed with the APTs : UX Ari, V711
Tau (= HR 1099), BY Dra, FK Com, IN Com, HD 185510, V471 Tau, ER Vul,
and CM Dra, EI Eri, LQ Hya, and HD 82443. Light curves of the following
eclipsing binaries also have been obtained: R CMa, 
Lyr,
Sgr, W Ser, Y Cyg, V380 Cyg, AS Cam, and V541 Cyg.
The observations of 
Her are being coordinated with IUE and
ground-based radial velocity observations being conducted by Myron
Smith(CSC), while the photometry of Mira is being coordinated with IUE
and HST observations in collaboration with M. Karovska of CfA. The UBV
photometry of 9 Aur is being done with K. Krisciunas (UKIRT, Hawaii).
The solar proxy photometry program is being done in collaboration with
Dorren (Edinburgh), Messina (Catania), and DeWarf as well as Astronomy
student Brian Abbott. Guinan and Güdel have been securing ASCA
X-ray (0.5-10 keV) observations of HD 129333, HN Peg, and
Ceti. Several of the younger, more active solar proxies are being
observed with the ROSAT (0.2-2.5 keV) and EUVE observations of the young
sun, HD 129333, are scheduled for December 1995. Güdel and Guinan
are collaborating on the ROSAT, ASCA, and the EUVE programs of the
G-type stars. The photometry of several chromospherically active stars
are being coordinated with IUE, ASCA and EUVE programs. The photometry
of complex eclipsing binary Lyr is being coordinated with the
spectroscopy and interferometry being conducted by Petr Harmanec (Czech
Republic). W Ser is being observed by Etzel (SDSU) and a coordinated
program with HST is planned with Steve Shore and Mirek Plavec. The APT
photometry is supported by NSF grant AST86-16362.