| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 2005 Sep 30 |
Observer:
GBT,JH/NDM |
LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt: 235.0 | λc: Hα | Exposure: 20050930.xxx |
Temp.: 68 F |
RH (%):65 |
Grating: 6 | λc: Hα | Tilt: 3o |
| Echelle Tilt: 21.95 | Slit: 275 | Sky
Conditions: mostly clear - passing clouds/thin clds |
Slit: 255 | Det. Temp.: -95oC | Focus: 5.70 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 1-5 |
00:10 |
0 |
zenith |
E |
bias |
79 |
|||
| 6-10 |
00:27 |
5 |
" |
E |
flat |
4123 |
|||
| 11 |
00:51 |
300 |
-01:07 |
E |
Th-Ar |
100 |
|||
| 12 |
01:10 | 3000 |
-00:49 |
E |
59 Cyg |
B1.5Vnne |
4.7 |
107 |
#13 Th-Ar 2:05 |
| 14 |
02:44 | 300 |
01:04 | E |
alpha Cyg | A2Ia | 1.3 |
193 |
#15 Th-Ar 2:59; inserted HTML α |
| 16 |
03:32 |
300 |
01:53 |
E |
alpha Cyg | A2Ia | 1.3 | 177 |
tweaked focus - cloud interference; #17 Th-Ar
3:41 |
| 18 |
04:13 |
2400 |
01:29 |
E |
nu Cep |
A2Ia |
4.3 |
153 |
#19 Th-Ar 4:57 - Fixed header, adjusted focus |
| 20 |
5:36 |
300 |
-0:18 |
E |
alpha Cas |
K0IIIa |
2.2 |
107 |
??? Counts?? do not reduce. |
| 21 |
6:45 |
300 |
+0:54 |
E |
Th-Ar |
101 |
Continue to adjust ... give up, double exp
times, or more |
||
| 22 |
6:53 |
600 |
+1:15 |
E |
alpha Cas | K0IIIa | 2.2 |
129 |
#23 7:06 Th-Ar ... poor transparency?? |
| 24-28 |
7:15 |
0 |
|
E |
Bias |
|
80 |
Yes, there are clouds in Cassiopeia. Quit. RH
91.5% |
|
| 29-33 |
7:31 |
8 |
|
E |
Flat |
|
|
3425 |
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