| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 2007-01-03 |
Observer: SJR | LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt: 235.0 | λc: Hα | Exposure: 20070103.0* |
Temp. (°C): 14 | RH (%): 75 |
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 |
22:43 |
0 |
zenith |
E |
bias |
78 |
clouds are thick, I will double the time. |
||
| 06-10 |
22:58 |
6 |
zenith |
E |
flat |
3862 |
had to largely tweak focus | ||
| 11 |
23:37 |
300 |
+4:10 |
E |
Th-Ar comp |
108 |
Shutter error x2, using turbo mode |
||
| 12 |
23:46 |
600 |
+4:18 |
E |
alpha Cyg |
A2Ia |
1.25 |
289 |
#13 Th-Ar 23:58 not sure if focus is correct |
| 14 |
0:17 |
3600 |
+1:41 |
E |
6 Cas |
A3Ia+ |
5.43 |
120 |
#15 Th-Ar 1:19 |
| 16 |
1:37 |
600 |
+2:11 |
E |
alpha Cas |
K0-IIIa | 2.23 |
129 |
#17 Th-Ar 1:50 RH=83% |
| 18 |
2:26 |
2700 |
+0:11 |
E |
HR 1035 |
B9Ia |
4.26 |
116 |
#19 Th-Ar 3:14 Turbo mode is creating a white
background glow, making it hard to see fainter stars. I shut the camera
cooling off, and shut off turbo mode. clouds |
| 20 |
3:38 |
3600 |
+1:15 |
E |
psi Per |
B5Ve |
4.3 |
129 |
#21 Th-Ar 4:40 clouds RH=88% |
| 22 |
5:00 |
600 |
+1:00 |
E |
beta Ori |
B8Ia |
0.12 |
99 |
#23 Th-Ar 5:13 thick clouds; counts are terrible! |
| 24 |
5:29 |
1200 |
+1:07 |
E |
epsilon Ori |
B0Ia |
1.7 |
160 |
#25 Th-Ar 5:52 clouds still |
| 26 |
6:05 |
1200 |
+1:39 |
E |
zeta Ori |
O9.5Ib |
2.03 |
144 |
#27 Th-Ar 6:28 RH=92% |
| 28 |
6:41 |
1800 |
+2:18 |
E |
zeta Tau |
B2IVe |
3.0 |
208 |
#29 Th-Ar 7:14 clouds cleared a bit |
| 30-34 |
7:22 |
0 |
moving |
E |
bias |
|
|
79 |
RH=95% have to close |
| 35-39 |
7:34 |
6 |
zenith |
E |
flat |
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3858 |
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