CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  23 June 2005
Observer:  DWK, ENH
LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050623.*
Temp.:  30 C
RH (%):  57 Grating 6 Wavelength H alpha
Tilt 3
Echelle Tilt 21.95 Slit 275 Sky Conditions:  Clear
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
1:30
0

E
Bias


78

06-10
1:52
6

E
Flat


3927

11
2:19
300
2:15
E
Th-Ar


92

12
2:27
3600 2:25
E
kappa Dra
B6 IIIpe
3.87
284
#13 3:46 Th-Ar
14
3:55
1500
0:26
E
delta Sco
B0.3 IVe
1.6
336
#15 4:34 Th-Ar
16
4:43
3600
-3:05
E
 P Cyg
B1 Ia+
4.81
140
#17 6:01 Th-Ar
18
6:10
600
+0:58
E
Beta Oph
K2 III
2.8
143
rv std, focus out a bit  #19 6:23 Th-Ar ...I'm disapointed.
20
6:37
3600
-0:20
E
HD 183656
Be
6.1
90
RH78%, but I want to try this one.  not sure I found it, dim star nearby.  full moon near as well.  #21 7:40 Th-Ar
22
7:48
3600
+0:50
E
HD 183656 "
"
89
maybe two will do it.  #23 8:51 Th-Ar
24
9:07
600
+0:57
E
Alpha Cyg
A2 Ia
1.25
166
RH 90%, dawn soon.  trying to squeeze this in.
25
9:20
300


Th-Ar


96

26-30
9:29
0

E
bias


81

31-33
9:46
6

E
flat


4798

34-35
10:00
5

E
flat


4311
counts on last two too high, redone shorter