CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2005 Mar 4
 Observer:  ENH/NDM
 LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050304.*
 Temp.:  5C RH (%):  60 Grating 6 Wavelength 5500 A Tilt 359
Echelle Tilt 20.55 Slit 275 Sky Conditions:  cirrus
 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
 23:42
 0
E
 Bias

71
06-10
 23:58
 4
E
 Flat

3676
 UT time on halebopp seems like it might be a couple minutes
11
 0:29
 300
E
 Th-Ar

83
 slow.  But I'm not sure. 
12
 0:34
 300
 +0:35
 E
 Beta Ori
 B8 Ia
 0.1
 242
 Focus in a bit, but seeing is poor #13 0:43 Th-Ar
14
 1:07
 600
 +0:44
 E
 Epsilon Ori
 B0 Ia
 1.7
 131
 #15 1:19 Th-Ar
16
 1:38
 1200
 +1:15
 E
 Zeta Tau
 B4 IIIp
 3.0
 130
 #17 2:02 Th-Ar  Focus out some
18
 2:16
 1800
 +0:03
 E
 Beta CMi
 B8 Ve
 2.9
 166
 #19 2:49 Th-Ar I think I'll try this again...  RH 80%
20
 3:00
 1800
 +0:47
 E
 Beta CMi
 B8 Ve
 2.9
 172
 #21 3:33 Th-Ar
22
 3:45
 600
 +1:14
 E
 Beta Gem
 K0 IIIb
 1.1
 344
 #23 3:57 Th-Ar
24
 4:17
 3600
 +0:28
 E
 Kappa UMa
 A0 IIIn
 3.6
 155
 #25 5:20 Th-Ar
26
 5:28
 3600
 +1:39
 E
 "
 "
 "
 169
 #27 6:31 Th-Ar       Seeing is better.
28
 6:43
 3600
 -0:36
 E
 kappa Dra
 B6IIIpe
 3.9
 155
 #29 7:46 Th-Ar       Lost focus?
30
 7:53
 0
L
 Bias (5X)

134
31
 8:12
 180
L
 Fe-Ar

179
 Fixed halebopp system clock 8:13, was 4 min slow
32
 8:17
 600
 -1:44
 L
 beta Lib
 B8IIIn
 2.6
 1175
 #33 8:28 Fe-Ar   #34 8:36 Th-Ar
35
 8:45
 1800
 -1:16
 E
 "
 "
 "
 157
 #36 9:22 Th-Ar          RH 92%
37
 9:37
 1200
 -1:07
 E
 delta Sco
 B0.3IVe
 1.6
 192
38
 10:00
 300
E
 Th-Ar



39-43
 10:10
 0
E
 Bias

76
  44 10:21  30    L  Flat (5X)      4495
  #45-49 10:26 6s E Flat  4074
50
 10:45
 600
L
 Dark (12X)