CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date: 27 Jan 2007
Observer: NDM
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20070127.*
Temp. (°C): 10 RH (%): 87
Grating: 6 λc: Hα Tilt: 4o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Clear (surprise, surprise!); wind SW G 23, stay in NW
Slit: 255 Temp.: -93.5oC Focus: 5.81


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
01-05
23:16
0

E
Bias


75
Seeing is bad.
06-10
23:28
6

E
Flat


4272

11
23:49
300

E
Th-Ar


103

12
23:57
300
+2:05
E
alpha Cas
K0IIIa
2.2
147
#13 0:04 Th-Ar
14
0:12
300
+2:20
E
"
"
"
155
Try again with better guiding ... 0:20 #15 Th-Ar
16
0:27
300
+2:36
E
"
"
"

Focus in ... DO NOT REDUCE, focus test only
17
0:42
1200
+2:34
E
gamma Cas
B0IVnpe(sh)
2.5
354
#18 1:05 Th-Ar
19
1:20
2700
+0:33
E
psi Per
B5Ve
4.2
189
#20 2:08 Th-Ar
21
2:21
3600
+1:41
E
HR 1035
B9Ia
4.3
195
#22 3:24 Th-Ar
23
3:34
3600
+2:54
E
HR 1040
A0Iab
4.6
164
#24 4:37 Th-Ar
25
4:50
3515 +2:45
E
alpha Cam
O9.5Ia
4.3
154
Clds; abort 
26
5:51
300

E
Th-Ar


Close
27-31
5:59
0

E
Bias


78

32-36
6:11
6

E
Flat


4326