1. Ha Images of Ultra-Flat Edge-On Spiral Galaxies

   • S. S. Kaisin
   • I. D. Karachentsev
   • V. E. Karachentseva

   OriginalPaper 15 April 2020 Pages: 1 - 11

   

2. Internal Kinematics of the Seyfert Galaxy Mkn938

   • V. L. Afanasiev
   • A. V. Moiseev
   • A. A. Smirnova

   OriginalPaper 15 April 2020 Pages: 12 - 20

   

3. Inconsistency of Chemical Properties of Stellar Populations in the Thick Disk Subsystem of our Galaxy

   • V. A. Marsakov
   • V. V. Koval’
   • M. L. Gozha

   OriginalPaper 15 April 2020 Pages: 21 - 30

   

4. Small Bodies of the Solar System Active at Large Heliocentric Distances: Studies with the 6-Meter Telescope of Sao Ras

   • A. V. Ivanova

   OriginalPaper 15 April 2020 Pages: 31 - 49

   

5. Effective Gyroresonance Layers in the Transition Region of the Active Region of the Solar Atmosphere. Magnetic Fields and Heights

   • L. V. Yasnov
   • V. M. Bogod
   • A G. Stupishin

   OriginalPaper 15 April 2020 Pages: 50 - 58

   

6. Photosensor Device Based on a 16-Electrode Position-Sensitive Detector with High Temporal Resolution

   • V. L. Plokhotnichenko
   • G. M. Beskin
   • S. S. Moiseev

   OriginalPaper 15 April 2020 Pages: 59 - 68

   

7. IPv6 for the Evolution of the Network of the Special Astrophysical Observatory of the Russian Academy of Sciences

   • V. N. Chernenkov

   OriginalPaper 15 April 2020 Pages: 69 - 76