| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 21 Sept 2006 |
Observer: ksb + class |
LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt: 235.0 | λc: Hα | Exposure: 20060921.* |
Temp. (°C): 20 |
RH (%): 82 |
Grating: 6 | λc: Hα | Tilt: 4o |
| Echelle Tilt: 21.95 | Slit: 275 | Sky
Conditions: Partly Cloudy |
Slit: 255 | Det. Temp.: -93.5oC | Focus: 5.81 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 1-5 |
0:05 |
0 |
zenith |
E |
bias |
71 |
initial bias was high at around 3000. 5
min shot of lN2 brought it down to 80. 2 min shot additional brought
down to 72. |
||
| 6-10 |
0:29 |
1 |
zenith |
E |
flat |
3592 |
|||
| 11 |
0:41 |
300 |
zenith |
E |
Th-Ar |
104 |
|||
| 12 |
1:14 |
600 |
+1:55 |
E |
beta Oph |
K2 III |
2.77 |
297 |
RV std #13
Th-Ar through clouds |
| 14 |
1:53 |
300 |
-0:24 |
E |
alpha Cyg |
A2 Ia |
1.25 |
199 |
#15 Th-Ar
2:02 through clouds |
| 16 |
2:23 |
1200 |
+1:57 |
E |
beta Lyr |
B7Vpe |
3.45 |
197 |
#17 Th-Ar
2:46 through light clouds |
| 18 |
3:08 |
3600 |
+0:31 |
E |
60 Cyg |
B1Vc |
5.4 |
132 |
#19 Th-Ar
4:12 RH went to 95 % |
| 20-24 |
4:20 |
0 |
zenith |
E |
bias |
77 |
|||
| 25-29 |
4:35 |
1 |
zenith |
E |
flat |
|
3898 |
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