CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  7 Mar 2006
Observer: DRL/NDM LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20060307.*
Temp. (°C):
RH (%):
Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Clear
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
23:18
0

E
Bias


73
 
06-10
23:41
2

E
Flat


3049

11
23:55
300

E
Th-Ar


122
Tracking off
12
0:34
1200
+0:21
E
zeta Tau B2IVe
3.0
276
#13 Th-Ar 1:00
14
1:18
3600
+0:14
E
nu Gem B6IIIe
4.1
239
#15 Th-Ar 2:24
16
2:42
900
+0:21
E
betaGem
K0IIIb
1.14
1157
#17 Th-Ar 3:02 RV standard
18
3:20
1800
-1:22
E
alpha Leo
B7Vn
1.35
1143
#19 Th-Ar 3:53  Oops! Not mag 3.15...
20
4:13
3599 -1:09
E
HD 93521 O9Vp
7.06
87
#21 Th-Ar 5:16 ... Expo originally set longer; aborted
22
5:28
900
+1:08
E
epsilon Leo G1II
3.0
277
#23 5:45 Th-Ar ... Date header keyword was set to 2006-03-06; changed
24
6:02
2700
-1:05
E
kappa Dra B6IIIpe
3.9
314
#25 6:50 Th-Ar
26
7:06
2700
-3:00
E
theta CrB B6Vnne
4.1
195
#27 7:54 Th-Ar
28
8:13
3600
-2:19
E
48 Lib
B5IIIpe(sh)
4.9
145
#29 9:16 Th-Ar
30
9:29
1200
-1:05
E
delta Sco B0.3IVe
1.6
336
#31 9:51 Th-Ar
32-36
9:59
0

E
Bias


76
Out of targets; can't get Deneb yet. Close.
37
10:14
0

E
Bias



#35 has humongous cosmic ray. Omit in reduction; do another.
38-42
10:17
2

E
Flat


2456