CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2005 Apr 22
 Observer:  ENH/NDM
 LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050422.*
 Temp.:  17C RH (%):  56 Grating 6 Wavelength H alpha
 Tilt 3
Echelle Tilt 21.95 Slit 275 Sky Conditions:  a few cirrus/more cirrus
 Slit 240
Det. Temp. -95C Focus 6.28


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
 Comments
01-05
 0:18
 0
E
 Bias

74
 the big hose was not attached to the telescope.
6
 0:30
 5
L
 Flat (5x)

4203
 Adjusted echelle settings today - same position, different numbers
07-11
 0:32
 3
E
 Flat

3188
12
 0:46
 0
L
 Bias (5x)

130
13
 0:58
 300
E
 Th-Ar

100
 early start, so maybe....
14
 1:06
 1500
 +3:55
 E
 Zeta Tau
 B4 IIIp
 3.0
 121
 started in twilight   #15 1:34 Th-Ar
16
 1:50
 1
L
 Ne

402
17
 1:52
 1800
 +2:18
 L
 HD 65875
 B2.5 Ve
 6.5
 512
 #18 2:26 Ne
19
 2:48
 900
 -0:01
 L
 Phi Leo
 A7 IVn
 4.5
 465
 #20 3:05 Ne  we seriously need to get an alarm
21
 3:17
 300
 -0:06
 L
 Beta Vir
 F9 V
 3.6
 421
 #22 3:24 Ne   moon nearby, RH 70%   #23 3:38 Th-Ar
24
 3:46
 600
 +2:04
 E
 Alpha Leo
 B7 Vn
 1.35
 126
 #25 3:59 Th-Ar  let's try that again
26
 4:11
 900
 +2:29
 E
 Alpha Leo
     "
 "
 143
 #27 4:29 Th-Ar 
28
 4:46
 3600
 +0:39
 E
 Kappa Dra
 B6 IIIpe
 3.9
 168
 Major focus adjustment ...  #29 5:49 Th-Ar
30
 6:08
 1800
 -1:24
 E
 delta Sco
 B0.3IVe
 1.6
 183
 #31 6:41 Th-Ar
32
 7:06
 600
 -2:09
 E
 beta Oph
 K2III
 2.8
 136
 RV std ... counts not encouraging ... #33 7:20 Th-Ar
34
 7:35
 1200
 -4:38
 E
 alpha Cyg
 A2Ia
 1.3
 178
 Haze is pretty thick ... #35 7:57 Th-Ar
36-40
 8:12
 4
E
 Flat

4090
 close
41
 8:13
 5
L
 Flat 5x

5343
42-46
 8:25
 0
E
 Bias

77