Calibration Problems on Schmidt Plates

  • R. Ziener
Conference paper


The best way to calibrate Schmidt plates is by using similar objects to those under investigation as calibrators (for example: “small” galaxies with well-known magnitudes for “small” galaxies). This is a known postulate, often quoted by various authors, but it is difficult to put this rule into practice. Therefore astronomers often use artificial calibration; in most cases spot or wedge sensitometers.


Coma Cluster Linear Extension Similar Object Cluster Galaxy Light Diffusion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1988

Authors and Affiliations

  • R. Ziener
    • 1
  1. 1.Karl-Schwarzschild-ObservatoryAcademy of Sciences of the G.D.R., Central Institute for AstrophysicsTautenburgGDR

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