CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  26 Oct 2006
Observer:  KSB + class/ KSB, SJR
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure:  20061026.*
Temp. (°C): 16
RH (%): 60
Grating: 6 λc: Hα Tilt: 4o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions:  clear to pt cldy
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
1-5
21:38
0
zenith
E
bias


78
starting cals early to save obs time for class!  bias OK
6-10
21:53
1
zenith E
flat


3013
got 6000+ counts in 2 sec; cut back exp to 1 sec
11
22:05
300
zenith
E
Th-Ar


110

12
23:50
300
+2:55
E
beta Oph
K 2 III
2.77
160
RV std;   #13  Th-Ar 0:06
14
0:33
600
+2:25
E
beta Lyr
B7 V
3.45
100
robotics indicator for telescope is off?   #15 Th-Ar 0:45
16
1:12
3000
+1:45
E
28 Cyg
B2.5 Ve
4.9
152
#17 Th-Ar   2:05
18
2:23
3600
+2:04
E
60 Cyg
B1 V e
5.4
130
#19 Th-Ar 3:27
20
3:55
3600
+2:13
E
pi Aqr
B1 V e
4.8
177
#21 Th-Ar 5:01
22
5:53
1200
-3:00
E
zeta Tau
B2 IV e
3.0
290
#23  Th-Ar  6:14               RH=90% & increasing
24-28
6:21
0
zenith
E
bias


79
note RH=94%
29-33
6:41 1
zenith
E
flat


2794