CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2006 May 23
Observer:ENH LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure:20060523.* Temp. (°C): 20
RH (%): 62
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
0:51
0

E
Bias


73
 
06--10
1:03
4

E
Flat


3166

11
1:25
300

E
Th-Ar


112

12
1:33
300
+1:53
E
alpha Leo B7 Vn
1.35
186
started in twilight #13 1:41 Th-Ar
14
2:02
2700
-0:03
E
kappa Dra
B6 IIIpe
3.9
205
#15 2:51 Th-Ar
16
3:13
3600
-1:51
E
theta CrB
B6 Vnne
4.1
144
ccdops crashed (sorta) when used from the dome, RH 78%
17
4:16
300

E
Th-Ar


113

18
4:50
3600
-0:39
E
48 Lib
B5 IIIpe
4.9
159
#19 5:53 Th-Ar
20
6:12
1800
+0:40
E
delta Sco B0.3 IVe
1.6
738
RH 87% #21 6:46 Th-Ar
22
7:09
1500
-0:05
E betaOph K2 III
2.8
317
RH 92% #23 7:38 Th-Ar
24-28
8:19
5

E
Flat


2496
RH 94%, closing
29-33
8:50
0

E
Bias


75