CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date: 2007 Jan 18
Observer: ENH
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20070118.*
Temp. (°C): 6 C
RH (%):73 Grating: 6 λc: Hα Tilt: 4o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: clear
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
23:12
0

E
Bias


76

06-10
23:25
5

E
Flat


3127

11
23:51
300

E
Th-Ar


104

12
23:59
1800
+1:38
E
kappa Cas
B0.7 Ia
4.2
127
#13 0:32 Th-Ar
14
0:51
900
+0:57
E
alpha Ari
K2 IIIab
2.0
289
RV Std  #15 1:09 Th-Ar
16
1:28
2700
+0:12
E
HR 1035
B9 Ia
4.3
146
#17 2:16 Th-Ar  a few thin clouds
18
2:30
2700
+0:34
E
48 Per
B3 Ve
4.0
149
#19 3:18 Th-Ar  more clouds
20
3:42
600
+0:41
E
beta Ori
B8 Ia
0.1
258
through clouds  #21 3:57 Th-Ar
22
4:12
900
+0:50
E
epsilon Ori
B0 Ia
1.7
262 RH 81%  #23 4:32 Th-Ar
24-28
4:49
0

E
Bias


77
clouds.  closing.
29-33
5:02
5

E
Flat


3283