| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 4 Feb 2005 |
Observer: ENH/NDM | LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt 235.0 | Wavelength H alpha | Exposure: 20050204.* | Temp.: | RH (%): 73 | Grating 6 | Wavelength 5500 A | Tilt 359 |
| Echelle Tilt 20.55 | Slit 275 | Sky Conditions:
Patchy Clouds/Clds/Haze |
Det. Temp. -95C | Slit ~200 microns | Focus 6.45 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 01-05 |
23:16 |
0 |
|
E |
Bias |
|
|
74 |
|
| 06-10 |
23:29 |
5 |
|
E |
Flat |
|
|
4501 |
|
| 11 |
23:51 |
300 |
|
E |
Th-Ar |
|
|
88 |
clouds in the west, humidity rising... this may
not last long |
| 12 |
23:59 |
1200 |
+2:25 |
E |
gamma Cas |
B0 IVe |
2.5 |
126 |
through
clouds
#13 0:22 Th-Ar |
| 14 |
0:49 |
300 |
-1:01 |
E |
beta Ori |
B8 Ia |
0.1 |
115 |
through even more clouds. #15 0:57 Th-Ar |
| 16-20 |
1:05 |
0 |
|
E |
bias |
|
|
77 |
now it's truly overcast, closing |
| 21-25 |
1:32 |
4 |
|
E |
flat |
|
|
3925 |
|
| 26 |
5:17 |
300 |
|
E |
Th-Ar |
|
|
87 |
Reopening. Haze but no clouds, RH 82% - NDM |
| 27 |
5:25 |
0 |
|
L |
Bias (5X) |
|
|
136 |
|
| 28 |
5:26 |
300 |
+1:05 |
E |
beta Gem |
K0 IIIb |
1.1 |
|
#29 5:34 Th-Ar |
| 30 |
5:54 |
180 |
|
L |
Fe-Ar |
|
|
186 |
|
| 31 |
6:01 |
300 |
-0:43 |
L |
alpha Leo |
B7Vn |
1.4 |
1889 |
#32 6:07 Fe-Ar #33 6:16 Th-Ar |
| 34 |
6:25 |
1200 |
-0:19 |
E |
alpha Leo |
B7Vn |
1.4 |
248 |
#35 6:48 Th-Ar #36 7:20 Fe-Ar - after looking for targets |
| 37 |
7:29 |
1200 |
-0:23 |
L |
phi
Leo |
A7IVn |
4.5 |
711 |
Telluric std LDS #37 7:51 Fe-Ar; phi Leo overwritten, do again |
| 38 |
7:59 |
1200 |
+0:07 |
L |
phi Leo |
" |
" |
680 |
#39 8:20 Fe-Ar |
| 40 |
8:31 |
600 |
+0:05 |
L |
beta Vir |
F9V |
3.6 |
687 |
RV std LDS |
| 41 |
8:44 |
180 |
|
L |
Fe-Ar | |
|
194 |
|
| 42-46 |
8:57 |
5 |
|
E |
Flat |
|
|
4143 |
|
| 47 |
8:58 |
30 |
|
L |
Flat (5X) |
|
|
4480 |
|
| 48-52 | 9:10 | 0 | E | Bias | 75 |
#53 Bias LDS 5X 9:11 137 |