Data measured on 20080919 UTC.
Filter
|
Internal
filter offsets (mm)
|
M2
focus offsets (mm)
|
Indicated
Z position (mm)
|
H1
|
0.00
|
-3.40
|
+0.40
|
Z
|
-0.27
|
-3.75
|
+0.12
|
Y
|
-0.26
|
-3.70
|
+0.13
|
J
|
0.02
|
-3.40
|
+0.42
|
K
|
0.08
|
-3.48
|
+0.32
|
1-0S1
|
-0.10
|
-3.54
|
+0.31
|
1.619nbH
|
-0.02
|
-3.44
|
+0.42
|
Blank
|
2.44
|
0.00
|
N/A
|
1 H band filter is the
reference point.
2 Position is approximate as it varies over time with
temperature and telescope position.