1. Search for gravitational lenses near the extragalactic double object CSL-1

   • M. V. Sazhin
   • O. S. Khovanskaya
   • M. V. Pavlov

   OriginalPaper Pages: 73 - 79

2. Leading wave as a component of the spiral pattern of the galaxy

   • A. M. Mel’nik

   OriginalPaper Pages: 80 - 87

3. Observations of the transient X-ray pulsar KS 1947+300 by the INTEGRAL and RXTE observatories

   • S. S. Tsygankov
   • A. A. Lutovinov

   OriginalPaper Pages: 88 - 97

4. Relationship between the nonstationary radio-luminosity variations of the Crab Nebula and the activity of its pulsar

   • K. S. Stankevich
   • V. P. Ivanov

   OriginalPaper Pages: 98 - 102

5. Further photometric observations of the X-ray binary A0535+26/V725 Tau: A new activity cycle

   • G. V. Zaitseva

   OriginalPaper Pages: 103 - 108

6. Study of the optical variability of T Tau in the period 1962–2003

   • S. Yu. Mel’nikov
   • K. N. Grankin

   OriginalPaper Pages: 109 - 116

7. Photometric elements, apsidal motion, and a third body in the eclipsing binary HP Aur

   • V. S. Kozyreva
   • A. V. Kusakin
   • Kh. F. Khaliullin

   OriginalPaper Pages: 117 - 128

8. Two-mirror Schwarzschild aplanats: Basic relations

   • V. Yu. Terebizh

   OriginalPaper Pages: 129 - 139

9. Orbital evolution of the distant satellites of the giant planets

   • M. A. Vashkov’yak
   • N. M. Teslenko

   OriginalPaper Pages: 140 - 146