| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 2006-12-29 |
Observer: SJR |
LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt: 235.0 | λc: Hα | Exposure: 20061229.0* |
Temp. (°C): 12 |
RH (%): 80 |
Grating: 6 | λc: Hα | Tilt: 4o |
| Echelle Tilt: 21.95 | Slit: 275 | Sky
Conditions: partly cloudy |
Slit: 255 | Temp.: -93.5oC | Focus: 5.81 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 01-05 |
22:55 |
0 |
zenith |
E |
bias |
78 |
It is partly cloudy, but I am going to try
and get a star. |
||
| 06-10 |
23:08 |
5 |
zenith |
E |
flat |
4291 |
Going to try and go for bright targets. |
||
| 11 |
23:29 |
300 |
+3:41 |
E |
Th-Ar comp |
107 |
|||
| 12 |
23:41 |
300 |
+3:55 |
E |
alpha Cyg |
A2Ia |
1.25 |
199 |
through clouds #13 Th-Ar 23:50 Have to double
the time |
| 14 |
0:00 |
600 |
+4:13 |
E |
alpha Cyg |
A2Ia |
1.25 |
306 |
#15 Th-Ar 0:11 RH=86% clouds still |
| 16 |
0:24 |
600 |
+0:37 |
E |
alpha Cas |
KO-IIIa |
2.23 |
192 |
#17 Th-Ar 0:36 clouds still |
| 18 |
0:53 |
1200 |
+0:50 |
E |
gamma Cas |
B0IVpe |
2.4 |
531 |
#19 Th-Ar 1:16 clouds still, RH=90% |
| 20 |
1:35 |
900 |
+0:28 |
E |
alpha Ari |
K2-IIIab |
2.0 |
456 |
RV std #21 Th-Ar 1:53 the clouds are getting
thick RH=93% |
| 22-26 |
2:01 |
0 |
moving |
E |
bias |
|
80 |
RH= 95% have to close, plus thick clouds |
|
| 27-31 |
2:14 |
5 |
zenith |
E |
flat |
|
3777 |
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