Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
277 (1979), S. 279-280
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The faintest objects on the plates were made visible by a contact copying process designed to detect very low surface brightness structures2. High contrast positives from the deepest IllaJ plates were superimposed in register to reduce grain noise (Fig. 1). Low contrast detail, buried in the ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/277279a0
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