CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  21 June 2005
 Observer:  NDM
 LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050621.*
 Temp.:  31C RH (%):  55 Grating 6 Wavelength H alpha
 Tilt 3
Echelle Tilt 21.95 Slit 275 Sky Conditions:  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
 1:34
 0
E
 Bias

77
 At HA +1:30, dec. -1:30 telescope tracks badly, star won't stay on fiber.
06-10
 2:13
 4
E
 Flat

3598
 Guest student Vivek Ratnam (Sylvania HS) until 4:10
11
 2:23
 5
L
 Flat 5X

1693
 Files deleted - no stellar data
12
 2:32
 300
E
 Th-Ar

91
13
 2:42
 3600
 +2:32
 E
 kappa Dra
 B6IIIpe
 3.9
 296
 Tracking not too good here either at first; better later.
14
 3:44
 300
E
 Th-Ar

91
15
 4:06
 1200
 +0:30
 E
 delta Sco
 B0.3IVe
 1.6
 235
 Star jumping off to west & east
16
 4:28
 300
E
 Th-Ar



17
 4:44
 3600
 +0:41
 E
 chi Oph
 B1.5Ve
 4.4
 186
 RH 85% ... #18 5:47 Th-Ar
19
 5:58
 600
 +0:39
 E
 beta Oph
 K2III
 2.8
 179
 #20 6:10 Th-Ar
21
 6:23
 600
 -1:53
 E
 alpha Cyg
 A2Ia
 1.3
 269
 #22 6:36 Th-Ar
23
 6:47
 3000
 -1:48
 E
 59 Cyg
 Be
 4.7
 122
 #24 7:40 Th-Ar
25
 7:55
 3600
 -0:41
 E
 60 Cyg
 Be
 5.4
 100
 #26 8:58 Th-Ar
27-31
 9:06
 0
E
 Bias

81
32-36
 9:21
 6
E
 Flat

3505