CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  28 Jan 2005
 Observer:  NDM / ENH
 LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050128.* Temp.:  -5C RH (%):  72 Grating 6 Wavelength 5500 A Tilt 359
Echelle Tilt 20.55 Slit 275 Sky Conditions:  Clear Det. Temp. -95C Slit ~200 microns Focus 6.45


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
 Comments
01-05
 0:04
 0
E
 Bias

70
  CCD1 warm! Start over! (Files erased)
06
 23:06
 0
L
 Bias (5X)

135
 LN2 timed fill apparently took place; lines are cold.
07
 23:29
 30
L
 Flat (5X)

3775
 Biases are on the way down; will wait and try again.
08-12
 0:20
 6
E
 Flat

3012
 Another bias set should be taken in ~3 hours to check.
13
 0:36
 300
E
 Th-Ar

81
 All 8 telescope vanes finally opened with rocking
14
 0:44
 600
 +2:43
 E
 gamma Cas
 B0IVe
 2.5
 126
 Another shot of LN2 needed. Plan to pump out CCD1 in AM.
15
 0:59
 300
E
 Th-Ar

81
 Suggest more shots of LN2 in ~ 3 hrs with bias
16
 1:07
 1800
 +3:07
 E
 gamma Cas
 B0IVe
 2.5
 200
 All of above comments refer to beginning of night.
17
 1:41
 300
E
 Th-Ar

82
 Redo star after focus IN. Seeing mediocre.
18
 1:56
 0
E
 Bias

72
 Just checking ...
19
 2:28
 180
L
 Fe-Ar

183
20
 2:35
 600
 +1:54
 L
 10 Tau
 F9 IV
 4.3
 419
 RV std LDS. halebopp clock set, was 10 min slow
21
 2:47
 180
L
 Fe-Ar

185
 #22 3:05 Th-Ar
23
 3:15 1800
 +0:33
 E
 Zeta Tau
 B4 IIp
 3.0
 121
 #24 3:48 Th-Ar
25
 4:11 900
 +1:20
 E
 Kappa Ori
 B0.5 Ia
 2.1
 137
 #26 4:29 Th-Ar
27
 4:47
 2400
 +0:16
 E
 Beta CMi
 B8 Ve
 2.9
 131
 #28 5:29 Th-Ar  ...it's been a long day, my brain's about done.
29-33
 5:38
 0
E
 Bias

72
 turned on dewcap heater
34
 5:46
 0
L
 Bias (5x)

133
35
 6:16
 30
L
 Flat (5x)

3569
  36-40
 6:18  6
E
 Flat

3568
   dewcap heater worked well, cover closed easily