CCD Observing Log of Ritter Observatory
Page  1 of  2

Echelle settings: UT Date:  14 Nov 2004 Observer:  NDM/AM LDS Settings:
X-Disp tilt: 235.0
 Wavelength: H alpha Exposure:  20041114.* Temp.:  13.5 C RH (%):  58 Grating: 6 Wavelength: H alpha Tilt: 3o
Echelle Tilt: 20.55 Slit: 275 Sky Conditions:  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
 22:46
 0
E
 Bias

73
 ST-7 is uncooled
06
 23:02
 3
E
 Flat

4951
07-10
 23:22
 2
E
 Flat

3708
 Doing over, exposure too heavy
11
 23:32
 300
E
 Th-Ar

95
12
 23:41
 300
 +1:00
 E
 alpha Cyg
 A2Ia
 1.3
 366
 #13 23:49 Th-Ar
14
 0:04
 3600
 +1:47
 E
 P Cyg
 B1Ia+
 4.8
 370
 #15 1:07 Th-Ar      Cool ST-7 to 5 C
16
 1:28
 3600
 +2:26
 E
 HD 200775
 B2Ve
 7.4
 118
 #17 2:30 Th-Ar
d2400a
 1:34
 2400
L
 Dark


Nikon lens covered. New cover on Temp Lock light.
18
 2:43
 1200
 +3:15
 E
 beta Cep
 B2IIIe
 3.2
 219
 #19 3:06 Th-Ar
d2400b
 2:53
 2400
L
 Dark


Same as above but Nikon lens cover removed
20
 3:24
 3600
 +1:30
 E
 rho Cas
 G2IaOe
 4.4
 252
 #21 4:28 Th-Ar
22
 4:36
 600
 +1:57
 E
 alpha Cas
 K0IIIa
 2.2
 344
 #23 4:49 Th-Ar    rv std
24
 4:57
 3000
 +2:14
 E
 omicron Cas
 B2Ve
 4.5
 215
 #25 5:50 Th-Ar
26
 5:58
 900
 +3:03
 E
 gamma Cas
 B0IVe
 2.2
 477
 #27 6:16 Th-Ar
28
 6:24
 3000
 +0.49
 E
 psi Per
 B5Ve
 4.2
 236
 #29 7:17 Th-Ar
30
 7:29
 300
 +0:16
 E
 beta Ori
 B8Iae
 0.1
 365
 #31 7:37 Th-Ar
32
 7:45
 600
 +0:10
 E
 epsilon Ori
 B0Ia
 1.7
 192
 #33 7:58 Th-Ar
34
 8:08
 1200
 +0:32
 E
 zeta Tau
 B4IIIpe
 3.0
 291
 #35 8:31 Th-Ar
36
 8:41
 900
 +1:01
 E
 zeta Ori
 O9.5Ib
 2.1
 244
 #37 8:59 Th-Ar
38   9:07 900  +1:22  E  kappa Ori B0.5Ia 2.1   214 #39 9:25 Th-Ar