Re: September

[aah@nofs.navy.mil]

Michael R. wrote
>  I think that the extra capabilities of having the 3 lenses pointed
>one hour apart in RA -- having 3 measurements of position an hour apart,
>and 2 of brightness in I-band on the same night -- outweigh the
>disadvantages of not looking simultaneously with all 3 lenses at
>the same area.  Plus, it's a whole lot easier to leave them as
>they are than to re-build the camera body :-)
  While I would rather see the lenses pointed to the same sky field, I
do not have a mark III in-hand and cannot appreciate the extra effort
involved in reorienting the individual cameras.  There are arguments for
and against pointing in the same direction vs. one hour apart, and perhaps
now is not the time to fight the good battle.  However, I will dissent
regarding IVI vs. VRI, as I think observations in 3 passbands are more
important than the double hit in 'I', and that the R passband should
show better image quality than 'I' if our conclusions about these lenses
are correct.  Explain to me again why two I observations are needed?
Brightness changes over a 2-hour span?  Can't this be accomplished by
intercomparing results from other sites?
  (p.s. congrats to Michael on getting relocated and back on the air)
Arne