Subject: Re: [sdss3-25mlog 1398] 2.5m obslog 20130923 (MJD 56559)
From: Kaike Pan
Date: Tue, 24 Sep 2013 07:34:43 -0600
On Sep 24, 2013, at 6:43 AM, asimmons@apo.nmsu.edu wrote:
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>                       APACHE POINT OBSERVATORY SDSS 2.5M
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>                                 OBSERVING LOG
>                          Monday September 23, 2013
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>                                  (MJD 56559)
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> ----  Observing Team ----
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> Dan Oravetz
> Audrey Oravetz
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> Paul Harding
> Kristina Huehnerhoff
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> ---- Observing Plan ----
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> 23 Sep 2013  56559.0 BOSS until 03:47 (1.7 h), then APOGEE (8.3 h)
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> ---- Observing Summary ----
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> Clear night. We observed:
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> Cart 10, plate 6289 - DONE
> Cart 11, plate 6501
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> Cart 6, plate 5231, 030-04_A, 2XABBA: faint 15, 34, 133, 297
> Cart 8, plate 5546, 030+00_A, 1XAB: missing 35, 184; faint 88, 249
> Cart 5, plate 7125, K16_075+11_A, 2XABBA: missing 211; faint 128
> Cart 7, plate 6531, 120+12_A, 2XABBA: faint 133, 188
> Cart 1, plate 5598, 128+04_A, 2XABBA: faint 227, 253
> Cart 3, plate 5600, 135+06_A, 2XABBA
> Cart 4, plate 6539, 161+04_A, 2XABBA: faint 284
> Cart 9, plate 6761, 184-04_A, 2XABBA: faint 284
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> One of the lindy cart shed doors fell off its hinges. We propped the =
door on its=20
> side within the shed.=20
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> During afternoon checkout we noticed that the telescope was lurching =
when an
> E-stop was engaged which results in about 0.5 degrees of movement in =
Altitude.
> This lurching behavior happens even after we have halted axes with =
'axis stop.'
> See Log for details.
   Could this due to counter weight set too high. =20=