CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  16 Jan 2005
Observer:  NDM LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050116.* Temp.:  5C RH (%):  67 Grating 6 Wavelength 5500 A Tilt 359
Echelle Tilt 20.55 Slit 275 Sky Conditions:  Cirrus/cloudy Det. Temp. -95C Slit ~200 microns Focus 6.45


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
01-05
22:43
0

E
Bias


72
CCD1 temp problem was corrected last night.
06-10
22:55
4

E
Flat


4873
Timed LN2 feed 23:00
11
23:23
300

E
Th-Ar



Seeing better than last night
12
23:35
300
+1:03
E
alpha Cas
K0IIIa
2.2
130
#13 23:43 Th-Ar
14
00:00
1800
+1:12
E
gamma Cas
B0IVe
2.5

Clds thicker, need bright target  
sk1200
00:06 1200
+1:18
L
sky @ "



Sky spectrum with clouds          #15 0:33 Th-Ar
16
00:53
2400
-2:36
E
zeta Tau
B4IIIp
3.0
129

sk2400
00:55
2400
-2:34
L
sky @ "


254
No sky spectrum visible.
17
01:36
300

E
Th-Ar


89
This looks like a lost cause. Close - clds.
18-22
01:48
0

E
Bias


73

b0
01:52
0

L
Bias


134

23-27
02:00
4

E
Flat


4402

d2400
02:17
2400

L
Dark (12X)



To run over night.