D, cm

F, cm

Field size, deg

m_lim

Years

N

Site

10

64

20´28

13 – 14

1895 – 1933

1100

Moscow

16

82

16´22

14

1933 – 1956

2700

Moscow

23

230

6´6

1955 – 1991

10000

Moscow etc.

38

640

1.4´1.4

14

1902 – 1972

6400

Moscow

40

160

10´10

17 – 18

1948 – 1996

22300

Kuchino (near Moscow), Crimea

50

200

3.5´3.5

18 – 19

1958 – 2004

10000

Crimea

50

200

Spectra

1959 – 2004

2300

Crimea

70

1050

0.6´0.6

13 – 18

1961 – 1995

9500

Moscow