| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 24 Feb 2006 |
Observer: GBT |
LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt: 235.0 | λc: Hα | Exposure: 20060224* |
Temp. (°C): 10 |
RH (%):60 |
Grating: 6 | λc: Hα | Tilt: 3o |
| Echelle Tilt: 21.95 | Slit: 275 | Sky
Conditions: ~clear, passing clouds |
Slit: 255 | Det. Temp.: -95oC | Focus: 5.70 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 1-5 |
1:12 |
0 |
E |
bias |
71 |
||||
| 6-10 |
1:30 |
1 |
E |
flat |
1988 |
passing clouds, could become trouble |
|||
| 11 |
1:44 |
300 |
E |
Th-Ar |
122 |
||||
| 12 |
1:56 |
300 |
+4:30 |
E |
alpha Ari | K2 IIIab |
2.0 |
202 |
#13 2:06 Th-Ar |
| 14 | 2:33 |
300 |
+1:38 |
E |
epsilon Ori |
B0 Ia |
1.7 |
195 |
passing clouds; #15 2:46 |
| 16 |
3:15 |
1800 |
+2:19 |
E |
zeta Tau |
B2 IVe |
3.0 |
139 |
aborting due to clouds after 1304s; # 17 3:52 |
| 18 |
4:10 |
1800 |
-1:14 |
E |
eta Leo |
A0 Ib |
3.52 |
131 |
clear at start, low counts due to?; #19 4:46 |
| 20-24 |
4:54 |
0 |
E |
bias | 72 |
clouds likely interferred w/ all obs., to some
extent |
|||
| 25-29 |
5:13 |
2 |
|
E |
flat |
|
3399 |
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