CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  7 Jun 2005
Observer:  NDM
LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050607.*
Temp.:  35 C
RH (%):  57 Grating 6 Wavelength H alpha
Tilt 3
Echelle Tilt 21.95 Slit 275 Sky Conditions:  Cirrus
Slit 240
Det. Temp. -95C Focus 6.28


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
01-05
1:17
0

E
Bias


78
Look, Ma! No air compressor! New telescope cover
06
1:19
0

L
Bias 5X


127
mechanism gets first flight tonight.
07-11
1:35
4

E
Flat


3451

12
1:35
5

L
Flat 5X


1831

13
1:49
300

E
Th-Ar


93

14
1:58
1200
+2:51
E
alpha Leo
B7Vn
1.4
369
Twilight ... #15 2:21 Th-Ar
16
2:34
3600
+1:29
E
kappa Dra
B6IIIpe
3.9
180
#17 3:37 Th-Ar
18
3:55
1200
-0:36
E
delta Sco
B0.3IVe
1.6
257
#19 4:18 Th-Ar
20
4:31
600
-1:43
E
beta Oph
K2III
2.8
135
RV std ... #21 4:44 Th-Ar
22 5:02
1

L
Ne




23
5:04
600
-3:18
L
omicron Aql
F8V
5.1
364
RV std ... #24 5:16 Ne ... Transparency not good.
25
5:55
300

E
Th-Ar


Seeing has also deteriorated.
26
6:02
900
-3:10
E
alpha Cyg
A2Ia
1.3
257
#27 6:20 Th-Ar
28
6:32
3600
-3:00
E
60 Cyg
B1Ve
5.4
93
#29 7:35 Th-Ar
30
7:43
3600
-1:49
E
"
"
"
103
#31 8:46 Th-Ar
32-36
8:53
0

E
Bias


82

37-41
9:09
5

E
Flat


4040
Adjusting exposure time
42
9:07
5

L
Flat 5X


2131

43
9:22
600

L
Dark 12X