Subject: SPICam

From: Mark Klaene

Submitted: Thu, 18 Oct 2012 15:03:24 -0600

Message number: 1292 (previous: 1291, next: 1293 up: Index)

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As some of you are aware , we have been fighting a vacuum leak in SPICAM =
for some time.  The vacuum leak is sufficient that the camera's =
Cryotiger system as not been able to maintain temperature.  This week we =
believe we have located the source of that leak in the window which has =
several chips in it. One in particular that would cause a vacuum leak.

We have ordered a replacement window however with the appropriate AR =
coatings the lead time is several weeks.=20

At this point we expect SPICAM to be out of service until around =
November 15th or 16th.  This will impact several programs and we regret =
any inconvenience this may cause. If a suitable back up instrument or =
program is not available and you need to turn back the time please let =
us know and we will make appropriate arrangements to try and fill the =
time and to offer you suitable time once the instrument is back on-line.

If you have any questions please feel free to contact the observatory



Mark Klaene
Site Operations Manager=20
Apache Point Observatory           voice: 575 437 6822
PO Box 59                                          fax:   575 434 5555
2001 Apache Point Rd                     cell:  575 430 0210
Sunspot NM 88349-0059                web: www.apo.nmsu.edu=20





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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; =
"><div><br></div><div>As some of you are aware , we have been fighting a =
vacuum leak in SPICAM for some time. &nbsp;The vacuum leak is sufficient =
that the camera's Cryotiger system as not been able to maintain =
temperature. &nbsp;This week we believe we have located the source of =
that leak in the window which has several chips in it. One in particular =
that would cause a vacuum leak.</div><div><br></div><div>We have ordered =
a replacement window however with the appropriate AR coatings the lead =
time is several weeks.&nbsp;</div><div><br></div><div>At this point we =
expect SPICAM to be out of service until around November 15th or 16th. =
&nbsp;This will impact several programs and we regret any inconvenience =
this may cause. If a suitable back up instrument or program is not =
available and you need to turn back the time please let us know and we =
will make appropriate arrangements to try and fill the time and to offer =
you suitable time once the instrument is back =
on-line.</div><div><br></div><div>If you have any questions please feel =
free to contact the =
observatory</div><div><br></div><div><br></div><br><div>
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
color: rgb(0, 0, 0); font-family: Monaco; font-style: normal; =
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class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; orphans: 2; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; "><div style=3D"word-wrap: =
break-word; -webkit-nbsp-mode: space; -webkit-line-break: =
after-white-space; "><div><span class=3D"Apple-style-span" =
style=3D"font-size: 12px; "><div style=3D"margin-top: 0px; margin-right: =
0px; margin-bottom: 0px; margin-left: 0px; "><font face=3D"Helvetica" =
size=3D"3" style=3D"font: normal normal normal 12px/normal Helvetica; =
">Mark Klaene</font></div><div style=3D"margin-top: 0px; margin-right: =
0px; margin-bottom: 0px; margin-left: 0px; "><font face=3D"Helvetica" =
size=3D"3" style=3D"font: normal normal normal 12px/normal Helvetica; =
">Site Operations Manager<span =
class=3D"Apple-converted-tab">&nbsp;</span></font></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; "><font face=3D"Helvetica" size=3D"3" style=3D"font: =
normal normal normal 12px/normal Helvetica; "><span =
class=3D"Apple-converted-tab">Apache Point Observatory &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp;&nbsp;</span>voice: 575 437 6822</font></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; "><font face=3D"Helvetica" size=3D"3" style=3D"font: =
normal normal normal 12px/normal Helvetica; ">PO Box 59&nbsp;<span =
class=3D"Apple-converted-tab">&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span>fax:&nbsp;&nbsp;&nbsp;575 =
434 5555</font></div><div style=3D"margin-top: 0px; margin-right: 0px; =
margin-bottom: 0px; margin-left: 0px; "><font face=3D"Helvetica" =
size=3D"3" style=3D"font: normal normal normal 12px/normal Helvetica; =
">2001 Apache Point Rd<span class=3D"Apple-converted-tab">&nbsp;&nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp;&nbsp;</span>cell:&nbsp;&nbsp;575 430 0210</font></div><div =
style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; "><font face=3D"Helvetica" size=3D"3" style=3D"font: =
normal normal normal 12px/normal Helvetica; ">Sunspot NM 88349-0059<span =
class=3D"Apple-converted-tab">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp;&nbsp;</span>web: <a =
href=3D"http://www.apo.nmsu.edu">www.apo.nmsu.edu</a>&nbsp;</font></div><d=
iv style=3D"margin-top: 0px; margin-right: 0px; margin-bottom: 0px; =
margin-left: 0px; font: normal normal normal 12px/normal Helvetica; =
min-height: 14px; "><br></div></span></div></div></span><br =
class=3D"Apple-interchange-newline"></span><br =
class=3D"Apple-interchange-newline">
</div>
<br></body></html>=

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