[vsnet-chat 4448] Re: Apogee AP-7p

[aah@nofs.navy.mil]

Yoshida-san wrote:
>I complete agree on you about the ambiguity of traditional style of
>reporting unfiltered CCD images using letter 'C'. So in my own case, I
>attach some additional information in comment columns when I report
>the magnitude to VSNET. Actually I only attach the CCD chip name. But
>now I wonder I should attach the lens name or "refractor" too when the
>lens or refractor was used. Maybe we should attach the b(v) value too. 
  I think that the most important piece of additional information for
CCD(C) magnitudes is which magnitude was used for the reference zero
point stars.  For example, if you were using the V-band or R-band values
for the comparisons.  There is no ambiguity when reporting standardized
values from filtered observations such as V or Rc, but lots of ambiguity
for unfiltered observations.
Arne

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