Barnard 20
DSS image of Barnard 20
Overlaid DSS image of Barnard 20, 120' x 120' with north at top and west to the right

Aladin viewer for the region around Barnard 20
B20

Type  Dark Nebula
Magnitude  
Size  60'
Right Ascension  4h 37'  (2000)
Declination  50° 58' N
Constellation  Perseus
Observing Notes

Rev. T.W. Webb
May 19, 1885    Hardwick, Herefordshire, England (map)

Centre of dark space, extending 5m in R.A. and 1° in Dec., which Es. believes to occupied by a body absorbing the light of the stars. Barnard has found several objects which he believes to be due to an absorption medium, one at 18h7m, S. 18°15' especially remarkable [B92].
― Celestial Objects for Common Telescopes, T. W. Webb, 1917

E.E. Barnard
25cm f/5 Astrograph

In S part of larger, relatively vacant area nearly 1° in diam. This is the dark object mentioned by Espin in Monthly Notices, 58, 334, 1898. It is close north to a small group of faint stars and is 6' or 8' in diameter. In a somewhat larger vacant space. It is not so definite as B 15.
― A Photographic Atlas of Selected Regions of the Milky Way, E.E. Barnard, 1927
Other Data Sources for Barnard 20
Nearby objects for Barnard 20
3 objects found within 120'
Berkeley 67 HD 29721 NGC 1624
Credits...

Drawings, descriptions, and CCD photos are copyright Andrew Cooper unless otherwise noted, no usage without permission.

A complete list of credits and sources can be found on the about page

Barnard 20