| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 22 May 2006 |
Observer: NDM |
LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt: 235.0 | λc: Hα | Exposure: 20060522.* |
Temp. (°C): 20 |
RH (%): 59 |
Grating: 6 | λc: Hα | Tilt: 3o |
| Echelle Tilt: 21.95 | Slit: 275 | Sky
Conditions: Cirrus |
Slit: 255 | Det. Temp.: -95oC | Focus: 5.70 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 01-05 |
1:45 |
0 |
E |
Bias |
72 |
1:06 UT, CCD1 is warm! Adding LN2.
Baseline ADU around 3000, |
|||
| 06-10 |
2:00 |
4 |
E |
Flat |
3630 |
not at room temp yet ... still warming up, give
it another shot. |
|||
| 11 |
2:18 |
300 |
E |
Th-Ar |
110 |
Leaving timer OFF in order not to repeat fill at
10PM. |
|||
| 12 |
2:26 |
600 |
+3:05 |
E |
epsilon Leo* | G1II |
3.0 |
OK, down to normal ADU. Delete false starts. |
|
| 13 |
2:39 |
300 |
E |
Th-Ar |
110 |
Halebopp clock was 3 mins slow; reset |
|||
| 14 |
2:55 |
600 |
+3:34 |
E |
epsilon Leo | G1II |
3.0 |
108 |
*through clds ... more clds; wait ... clear patch |
| 15 |
3:08 |
300 |
E |
Th-Ar |
110 |
More clds, satellite images don't look good.
Close. |
|||
| 16-20 |
3:20 |
0 |
E |
Bias |
74 |
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| 21-25 |
3:33 |
4 |
|
E |
Flat |
|
3970 |
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