CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date: 13 Sep 2005
Observer:  NDM, DM, NMK, IJM/NDM
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20050913.*
Temp.:  38 C
RH (%): 43
Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Mostly clear, slight haze/thicker haze
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
23:31
0

E
bias


79

06-10
23:47
7

E
flat


4412
Many focus adjustments. Stadium Lights are on.
11
01:08
300

E
Th-Ar


102

12
01:18
300
+1:30
E
betaOph
K 2 III
2.8
134

13
01:26
300

E
Th-Ar


102

14
01:46
600
-1:00
E
 alpha Cyg
A 2 Ia
1.3
253
#15 2:00 Th-Ar ... Haze is thick, could be factor 2.
16
2:14
3600
-1:36
E
nu Cep
A2Ia
4.3
114
#17 3:17 Th-Ar ... Focus OUT, do again (few bright targets anyway)
18
3:33
3600
-0:18
E
"
"
"
139
#19 4:35 Th-Ar
20-24
4:43
0

E
Bias


83
Closing - no second shift observer
25-29
4:59
8

E
Flat


4214