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ND? - Status of autoguider neutral density filter

Reports on which neutral density filters are presently in position in the autoguider neutral density wheels.

Adam:> ND?

There are no arguments

Note that there are two filter wheels for the autoguider.

=0pt

to350pt#& #=1em plus2em& #& #& # #& # #& #& #=0pt && Autoguider filters (colour) && Position Filter Thickness Glass Type &&1 &&Clear &&1.00 &&UBK 7 & &&2 &&UV &&1.00 &&UG 1 & &&3 &&Blue &&1.00 &&BG 38 & &&4 &&Red &&1.00 &&RG 610 & &&5 &&Clear &&2.00 &&UBK 7 & &&6 &&UV &&2.00 &&UG 1 & &&7 &&Blue &&2.00 &&BG 38 & &&8 &&Red &&2.00 &&RG 610 &

=0pt

to350pt#& #=1em plus2em& #& #& # #& # #& #& #=0pt && Autoguider filters (neutral density) && Position Filter Thickness Glass Type &&1 &&Clear &&1.00 &&UBK7 & &&2 &&ND1 &&1.00 &&UBK7 & &&3 &&C5 &&5.00 &&UBK7 & &&4 &&ND5 &&5.00 &&UBK7 & &&5 &&C8 &&8.00 &&UBK7 & &&6 &&ND8 &&8.00 &&UBK7 & &&7 &&C11 &&11.00 &&UBK7 & &&8 &&ND11 &&11.00 &&UBK7 &

Table 1 Current Autoguider Filters

N.B. Changing the autoguider filters can introduce a shift of 1 - 2 arc seconds in the image. Therefore, do not expect an identically positioned image if filters are changed.


Fri Jun 10 17:31:56 BST 1994