| CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
| Echelle settings | UT Date: 29 Jan 2005 |
Observer: NDM | LDS Settings | ||||
|---|---|---|---|---|---|---|---|
| X-Disp Tilt 235.0 | Wavelength H alpha | Exposure: 20050129.* | Temp.: +4C | RH (%): 68 | Grating 6 | Wavelength 5500 A | Tilt 359 |
| Echelle Tilt 20.55 | Slit 275 | Sky Conditions: Cirrus | Det. Temp. -95C | Slit ~200 microns | Focus 6.45 | ||
| Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| 01-05 |
22:43 |
0 |
|
E |
Bias |
|
|
72 |
No data - do not reduce, save for historical
purposes |
| 06 |
22:46 |
0 |
|
L |
Bias (5x) |
|
|
133 |
|
| 07-11 |
22:56 |
6 |
|
E |
Flat |
|
|
3111 |
|
| 12 |
22:58 |
30 |
|
L |
Flat (5x) |
|
|
4297 |
|
| 13 |
23:21 |
300 |
|
E |
Th-Ar |
|
|
77 |
Focus changed quite a bit from last night |
| 14 |
23:30 |
600 |
+5:48 |
E |
alpha Cyg |
A2Ia |
1.3 |
95 |
Check whether right comp lamp. |
| 15 |
23:46 |
300 |
|
E |
Th-Ar |
|
|
77 |
Give up on WR 140 for tonight! Clouds! |
| 16 |
23:56 |
180 |
|
L |
Fe-Ar |
|
|
|
Comp lamp was dim, but correct. Checked against
last night. |
| 17 |
02:09 |
0 |
|
E |
Bias |
|
|
70 |
Clds cleared, re-open, check bias. |
| 18 |
02:36 |
600 |
|
E |
Th-Ar |
|
|
88 |
Note comp power supply is 500 V as per
spec. Redo @ 600s |
| 19 |
02:49 |
900 |
+0:13 |
E |
epsilon Ori |
B0Ia |
1.7 |
99 |
Through clouds |
| 20 |
03:36 |
180 |
|
L |
Fe-Ar |
|
|
181 |
Comp lines are fat & fuzzy, as if
there is frost on CCD1's window. |
| 21 |
04:04 |
3600 |
30:13 |
L |
HD 50138 |
B9e | 6.7 |
|
Don't use echelle until further notice! |
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Exp 21 aborted for clds, but camera
does not read out aborted images! |
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