CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date: 1 Oct 2005
 Observer:  NDM
 LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20051001.*
 Temp.: 25° C
 RH (%): 45
 Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Clear
 Slit: 255 Det. Temp.: -95oC Focus: 5.70


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
 Comments
01-05
 23:44
 0
E
 Bias

78
06-10
 0:08
 3
E
 Flat

4268
 More flat lamp unpredictability (compare last night)
11
 0:27
 300
E
 Th-Ar

100
12
 0:37
 300
 +1:59
 E
 betaOph K2III
 2.8
 108
 Bummer ... focus IN
13
 0:46
 300
 +2:08
 E
 "
"
 "
 91
 No change in focus, move"up" on fiber a little
14
 0:55
 300
 +2:17
 E
 "
"
 "
 134
 Focus IN again
15
 1:08
 300
 +2:30
 E
 "
"
 "
 106
 Focus OUT; looks good. Gamble.
16
 1:18
 300
E
 Th-Ar


100
17
 1:28
 300
 +2:50
 E
 betaOph K2III
 2.8
 119
 Seeing deteriorated ... #18 1:36 Th-Ar
19
 1:49
 300
 +0:13
 E
 alpha Cyg A2Ia
 1.3
 140
 Focus OUT. Seeing definitely an issue.
20
 1:59
 300
 +0:23
 E
 "
 "
 "
 179
 Finally!!  #21 2:07 Th-Ar ... delete #13,15
22
 2:24
 3600
 +1:13
 E
 P Cyg
 B1Ia+
 4.8
 182
 #23 3:27 Th-Ar
24
 3:43
 3600
 +0:46
 E
 omicron Aqr B7IVe
 4.7
 141
 #25 4:46 Th-Ar ... Seeing deteriorated again
26
 4:59
 600
 +4:16
 E
 alpha Aql A7Vnn
 0.77
 301
 Telluric std ... #27 5:13 Th-Ar
28
 5:31
 3000
 +0:04
 E
 kappa Cas
 B0.7 Ia
 4.2
 214
 focus OUT, but hard to tell if it helped #29 6:24 Th-Ar
30
 6:36
 3000
 +0:57
 E
 Omi Cas
 B5 IIIe
 4.5
 196
 #31 7:29 Th-Ar
32
 7:44
 3600
 +0:27
 E
 9 Per
 A2 Ia
 5.2
 137
 #33 8:46 Th-Ar
34
 9:05
 3600
 +0:42
 E
 HR 1035
 B9 Ia
 4.3
 264
 RH 80% #35 10:08 Th-Ar
36
 10:27
 900
 -0:02
 E
 epsilon Ori
 B0 Ia
 1.7
 243
 RH 89%, seeing/focus poor #37 10:44 Th-Ar
38-42 10:52  0    E  Bias      80
 #43-47 11:08 6 Flat 3389