| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 4 Dec 2004 | Observer: NDM, MJS/NDM | LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt 235.0 | Wavelength H alpha | Exposure: 20041204 | Temp.: 12C | RH (%): 70 | Grating 6 | Wavelength H alpha | Tilt 3o |
| Echelle Tilt 20.55 | Slit 275 | Sky Conditions: Cirrus / clds / haze | Det. Temp. -95C | Slit ~200 microns | Focus 6.25 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 01-05 |
22:50 |
0 |
|
E |
Bias |
|
|
72 |
|
| 06-10 |
23:19 |
2 |
|
E |
Flat |
|
|
3267 |
|
| 11 |
23:52 |
300 |
|
E |
Th-Ar |
|
|
91 |
|
| 12 |
0:02 |
600 |
+2:40 |
E |
alpha Cyg |
A2Ia |
1.3 |
220 |
|
| 13 |
0:15 |
300 |
|
E |
Th-Ar |
|
|
92 |
|
| 14 |
0:32 |
316 | +2:07 |
E |
epsilon Peg |
K2Ib |
2.4 |
129 |
Clouds coming ... abort #15 0:42
Th-Ar |
| 16 |
0:58 |
0 |
|
E |
Bias |
|
|
73 |
Closing |
| 21-23 |
1:20 |
3 |
|
E |
Flat |
|
|
5091 |
|
| 24-25 |
1:33 |
2 |
|
E |
Flat |
|
|
3679 |
|
| 26 |
3:27 |
300 |
|
E |
Th-Ar |
|
|
|
Re-open. Hazy but looks usable. |
| 27 |
3:35 |
300 |
+2:13 |
E |
alpha Cas |
K0IIIa |
2.2 |
205 |
#28 3:43 Th-Ar |
| 29 |
3:56 |
3600 |
+2:43 |
E |
kappa Cas |
B0.7 Ia |
4.2 |
251 |
#30 4:59 Th-Ar |
| 31 |
5:17 |
1200 |
-1:01 |
E |
zeta Tau |
B4IIIp |
3.0 |
229 |
#32 5:40 Th-Ar |
| 33 |
5:54 |
600 |
-0:23 |
E |
epsilon Ori |
B0 Ia |
1.7 |
311 |
#34 6:06 Th-Ar |
| 35 |
6:19 |
300 |
+0:24 |
E |
beta Ori |
B8Ia |
0.0 |
590 |
#36 6:27 Th-Ar |
| 37 |
6:39 |
600 |
+0:18 |
E |
zeta Ori |
O9.5Ib |
2.1 |
277 |
#38 3:52 Th-Ar |
| 39 |
7:06 |
600 |
+0:38 |
E |
kappa Ori |
B0.5Ia |
2.1 |
196 |
#40 7:19 Th-Ar |
| 41-45 |
7:37 |
3 |
|
E |
Flat |
|
|
4284 |
RH 93%. Close. Check header #41. Done. |
| 46-50 |
7:49 |
0 |
|
E |
Bias |
|
|
76 |
|