CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  7 Feb 2006
Observer: DRL
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20060207
Temp. (°C): 5
RH (%): 72
Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Gathering clouds
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
0:22
0

E
Bias


72

06-10

1

E
Flat


1531

11-15
0:48
3

E
Flat


4735
Wanted more ADUs
16
1:02
300

E
Th-Ar


123

17
1:33
600
-0:06
E
beta Ori B8Ia
0.12
1019
#18 1:46 Th-Ar
19
2:01
600
0:00
E
epsilon Ori B0Ia
1.70
296
#20 2:12 Th-Ar
21
2:35
900
+0:29
E
zeta Ori
O9.5Ib
2.03
350
#22 2:54 Th-Ar Clouds rolled in during comp.
23-27

3

E
 Flat

9109
A wee bit too high
28
3:17
2

E
Flat


6209

29
3:21
1

E
Flat


3129

30-33
3:24
1

E
Flat


3225

34-38
3:36
0

E
Bias


73