CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2006-Jul-20
Observer: NDR
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20060720.*
Temp. (C): 34
RH (%): 78
Grating: 6 λc: Hα Tilt: 4o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: a few scattered clouds
Slit: 255 Det. Temp.: -86oC Focus: 5.70


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
01-05
2:14 0

E
Bias


79
 late start
06-10
2:26
1

E
Flat


2946
headers
11
2:46
300

E
Th-Ar


120

12
2:55
900
+1:10
E
delta Sco
B0.3IVe
1.6
371
#13  3:12  Th-Ar
14
3:23
1200
+1:03
E
zeta Oph
O9.5Vn
2.56
356
#15  3:47  Th-Ar
16
3:58
600
+0:31
E
beta Oph
K2III
2.77
436

17
4:12 300 +0:46
E
beta Oph
K2III
2.77
215
forgot to flip mirror...
18
4:20
300

E
Th-Ar


121
RH climbing and at 90%; close
19-23
4:29
0

E
Bias


83

24-28
4:41
1

E
Flat


3090