CCD Observing Log of Ritter Observatory | |
Page 1 | of 1 |
Echelle settings | UT Date: 2005 Aug 28 |
Observer: NDM |
LDS Settings | ||||
---|---|---|---|---|---|---|---|
X-Disp Tilt: 235.0 | λc: Hα | Exposure: 20050828.* |
Temp.: 33 C |
RH (%): 65 | Grating: 6 | λc: Hα | Tilt: 3o |
Echelle Tilt: 21.95 | Slit: 275 | Sky
Conditions: Clear/light haze |
Slit: 255 | Det. Temp.: -95oC | Focus: 5.70 |
Exp # |
(UT) |
(s) |
Start |
|
|
|
Mag |
(/pix) |
Comments |
---|---|---|---|---|---|---|---|---|---|
01-05 |
0:49 |
0 |
|
E |
Bias |
|
|
81 |
Echelle only tonight. Using formerly LDS fiber. |
06-10 |
1:10 |
3 |
|
E |
Flat |
|
|
4203 |
Changed fiber no. in header generator to 3. |
11 |
1:29 |
300 |
|
E |
Th-Ar |
|
|
102 |
Largest mask is in front of flat lamp. Th-Ar OK. |
12 |
1:40 |
300 |
+0:48 |
E |
beta Oph |
K2III |
2.8 |
81 |
Other hole, eh? |
13 |
2:28 |
300 |
+1:37 |
E |
" |
" |
" |
111 |
Bright reflection at center of RH fiber; tried
refocusing |
14 |
2:44 |
300 |
+1:53 |
E |
" |
" |
" |
94 |
Adjust focus OUT |
15 |
3:01 |
300 |
+2:09 |
E |
" |
" |
" |
90 |
In again; move down on fiber, get lower
cts, still bright dot in ctr |
16 |
3:12 |
300 |
+2:21 |
E |
" |
" |
" |
93 |
Bright dot, low counts, faint hint of spikes |
17 |
3:25 |
300 |
+2:34 |
E |
" |
" |
" |
93 |
New focus (in, out again) but similar. Low on
fiber. |
18 |
3:48 |
300 |
-0:01 |
E |
alpha Cyg |
A2Ia |
1.3 |
102 |
|
19 |
4:52 |
300 |
+1:03 |
E |
" |
" |
" |
114 |
In upper lobe, bright central dot, faint spider |
20 |
5:06 |
300 |
+1:17 |
E |
" |
" |
" |
101 |
|
21 |
5:46 |
300 |
+1:57 |
E |
" |
" |
" |
347 |
One more try .. same focus as left fiber, same
y .. FOUND IT |
22 |
5:57 |
300 |
|
E |
Th-Ar |
|
|
103 |
OK, just one science exposure! |
23 |
6:06 |
300 |
+2:17 |
E |
alpha Cyg |
A2Ia |
1.3 |
312 |
|
24 |
6:15 |
300 |
|
E |
Th-Ar |
|
|
103 |
|
25 |
6:24 |
300 |
+2:35 |
E |
alpha Cyg |
A2Ia |
1.3 |
301 |
Focus INslightly. Worse, but conditions may be
deteriorating. |
26 |
6:32 |
300 |
|
E |
Th-Ar |
|
|
|
Time to quit. Backing up only #1-11 and 22-36. |
27-31 |
6:47 |
4 |
|
E |
Flat |
|
|
4385 |
RH 89% |
32-36 | 6:59 | 0 | E | Bias | 82 |