CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2006 Nov 02
Observer:  KSB/NDM
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure:  20061102.*
Temp. (°C):   10
RH (%):   63
Grating: 6 λc: Hα Tilt: 4o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions:  cldy --> 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
1-5
23:35
0
zenith
E bias


75
started cals early for later predicted clearing
6-10
23:52
6
"
E
flat


3951

11
3:56
300
"
E
Th-Ar


109
cleared off
12
4:18
300
+00:47
E
alpha Cas
K0 IIIa
2.23
112
RV std;   #13  Th-Ar   4:25 ;  offsets reset; focus tweaked
14
4:43
1800
+1:59
E
rho Cas
G2 IaOe
4.4
178
tweaked focus again; NDM arrived ...#15 5:15 Th-Ar 
201
5:03
0

L
Bias 5x


137
Seeing is poor ...
202
5:26
2

L
Flat 5x


1793

203
5:40
1

L
Ne




204
5:41
1800
+2:43
L
CBET 712
?
7.5? 220
Looks fainter than 7.5. Star shown on Digitized Sky Survey at > 7.5
16
6:29
300

E
Th-Ar


110
Very weak spectrum, no Hα emission. False alarm? Wrong coords?
17
6:37
2700
+0:18
E
HR 1040
A0Iab
4.6
180
Used Display ... Palette to increase contrast, see weak spectrum.
205
6:38
1800
+0:19
L
Sky@HR1040


206
Just curious ... Really blank this time!
18
7:25
300

E
Th-Ar

108

19
7:40
3600
-0:33
E
25 Ori
B1Vpe
4.9
157
#20 8:42 Th-Ar
21
8:57
1200
+0:31
E
zeta Tau
B2IVe
3.0
257
Hit focus button by mistake, refocused, but seeing is bad.
22
9:20
300

E
Th-Ar

110
Adjusted focus again
23
9:35
3000
+0:17
E
nu Gem
B6IIIe
4.1
181
#24 10:27 Th-Ar
25-29
10:35
0

E
Bias


79
Must quit, have stuff to do in the morning.
206
10:46
2

L
Flat 5x


1707

  30-34 10:51 6   Flat      3734   #207 11:08 dark 10x 1800 s