1. A general catalog of class I methanol masers

   • I. E. Val’tts
   • G. M. Larionov

   OriginalPaper Pages: 519 - 530

2. An H₂O maser in the infrared source IRAS 20126+4104

   • E. E. Lekht
   • M. I. Pashchenko
   • A. M. Tolmachev

   OriginalPaper Pages: 531 - 541

3. Is NGC 7006 a globular cluster with a primarily red horizontal branch?

   • A. N. Gerashchenko

   OriginalPaper Pages: 542 - 548

4. The thickness of accretion α-disks: Theory and observations

   • V. F. Suleimanov
   • G. V. Lipunova
   • N. I. Shakura

   OriginalPaper Pages: 549 - 562

5. Analyzing the brightness distributions of the components of eclipsing variables using precise photometric data

   • M. B. Bogdanov
   • A. M. Cherepashchuk

   OriginalPaper Pages: 563 - 569

6. Evolution of the radio emission of the Crab nebula from long-term observations at 927 and 151.5 MHz

   • E. N. Vinyaikin

   OriginalPaper Pages: 570 - 576

7. Sources of efficient acceleration of solar flare particles: Observational aspects

   • A. R. Osokin
   • M. A. Livshits
   • A. V. Belov

   OriginalPaper Pages: 577 - 587

8. Pulsations of microwave flaring emission at low and high frequencies

   • V. E. Reznikova
   • V. F. Melnikov
   • G. Huang

   OriginalPaper Pages: 588 - 596

9. Wide-field corrector for a Gregorian telescope

   • V. Yu. Terebizh

   OriginalPaper Pages: 597 - 603