Volume 15; Issue 1

1

Editorial Board

Year:
1991
Language:
english
File:
PDF, 91 KB
english, 1991
4

Optical positions of radio stars and radio sources

Year:
1991
Language:
english
File:
PDF, 434 KB
english, 1991
5

A semi-empirical model of sunspot umbra

Year:
1991
Language:
english
File:
PDF, 476 KB
english, 1991
7

A radio study of the Abell cluster A 514

Year:
1991
Language:
english
File:
PDF, 191 KB
english, 1991
8

An astrometric test of the Shanghai 1.5 m R-C reflector

Year:
1991
Language:
english
File:
PDF, 455 KB
english, 1991
9

Compact reflection nebulae associated with protoplanetary nebulae

Year:
1991
Language:
english
File:
PDF, 339 KB
english, 1991
10

Low-dispersion spectra of ten Me stars

Year:
1991
Language:
english
File:
PDF, 276 KB
english, 1991
14

The radial velocity membership of the Virgo Cluster

Year:
1991
Language:
english
File:
PDF, 414 KB
english, 1991
15

Vertical motion of dark filaments and occurrence of flares

Year:
1991
Language:
english
File:
PDF, 456 KB
english, 1991
16

Chandler wobble and annual polar motion from 1965.0 to 1985.0

Year:
1991
Language:
english
File:
PDF, 469 KB
english, 1991
17

Visual observations of Eta Aquarids

Year:
1991
Language:
english
File:
PDF, 319 KB
english, 1991