CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings: UT Date:  20041123 Observer:  NDM LDS Settings:
X-Disp Tilt: 235.0
Wavelength: H alpha Exposure:  20041123.* Temp.:  16.5C RH (%):  88 Grating: 6 Wavelength: H alpha Tilt: 3o
Echelle Tilt: 20.55 Slit: 275 Sky Conditions:  cirrus/clear Slit: 200 microns approx. Focus: 6.25


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
01-05
0:33 0

E
Bias


72
Waited for class to start (7:20 PM EST) but no students yet.
06-10
1:04
1

E
Flat


2910 Clds but try to shoot through a hole
11
1:27
300

E
Th-Ar


104
Flats too strong at 2 s, had to do over
12
1:35
300
+3:30
E
alpha Cyg
A2 Ia
1.3
405
#13 1:43 Th-Ar
14
2:01
3600
+2:13
E
pi Aqr
B1Ve
4.8
101
Abort - clds. Close.
15
2:33
300

E
Th-Ar


101

16-20
2:41
0

E
Bias


75

21-25
2:53
2

E
Flat


4391