CCD Observing Log of Ritter Observatory
Page  1 of  

Echelle settings UT Date:  13 Mar 2005
Observer:  NDM
LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050313.*
Temp.:  5 C
RH (%):  75 Grating 6 Wavelength H alpha
Tilt 3
Echelle Tilt 20.55 Slit 275 Sky Conditions:  Scatt clds/clear
Det. Temp. -95C Slit ~200 microns Focus 6.25


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
01-05
03:30
0

E
Bias


74
Cleared up around 9 PM; I was late getting here
06
03:43
0

L
Bias (5X)


131

07
03:52
10

L
Flat (5X)


4079
Doing over for fewer counts
08-12
03:52
5

E
Flat


4525

13
04:10
300

E
Th-Ar


85

14
04:18
300
+2:22
E
beta Gem
K0IIIb
1.1
169
#15 04:26 Th-Ar
16
04:38
1800
+3:01
E
beta CMi
B8Ve
2.9
147
#17 05:11 Th-Ar
18
05:27
1

L
Ne


987

19
05:29
300
-0:31
L
beta Vir
F9V
3.6
658
#20 Ne
21
05:45
1800
+0:46
L
HD 93521
O9Vp
7.1
397
#22 6:17 Ne
23
06:19
1800
+1:21
L
"
"
"
383
#24 6:50 Ne #25 7:01 Th-Ar
26
07:09
3600
+0:25
E
kappa Dra
B6IIIpe
3.9
150
#27 8:12 Th-Ar  #28 08:38 Ne
29
08:40
300
-2:06
L
zeta Oph
O9.5Vn
2.6
865
#30 8:46 Ne #31 8:50 Th-Ar
32
08:57
1800
-1:48
E
"
"
"
148
#33 9:30 Th-Ar
34
09:43
1800
-0:27
E
delta Sco
B0.3IVe
1.6
273

36-40
10:23
0

E
Bias


77

41-45
10:36
5

E
Flat


4144

46
10:39
10

L
Flat (5X)


3809

47
10:49
1800

L
Dark (12X)