ULTRACAM OBSERVING LOG V1.0

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TELESCOPE: WHT (@ Cass) DATE: 16/05/2002 OBSERVERS: V. Dhillon et al TAPE NO:


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HUMIDITY

Time

%

21:51

15

23:30

39

02:00

48

05:10

95




DUST

Time

mg/m3

21:51

0.70

23:30

0.72

02:00

0.72

05:10

0.72




CLOUD

Time

%

21:51

0

23:30

0

02:00

0

05:10

0



SEEING

Time

Value

21:21

1.5”INT

23:30

0.80”

02:00

0.90”

05:10

1.90”



SUNRISE: 07:12

SUNSET: 21:03

TWILIGHT (MORNING): 04:50

TWILIGHT (EVENING): 21:21

TELESCOPE FOCUS: 98.22mm

ROT CEN POS:

WATER CHILLER TEMP: 10C to 15C

CCD TEMP SETTING: -40 C

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Run

Object

RA

DEC

EQ

SKYPA

Air Mass

Guiding

X

Y

1 – 15

Sky flat

13 04 33

29 50 49

1950





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Comments

Flat fields. Run 14 is a bias but telescope may have been slewing. Telescope focus 97.57.


Run

Object

RA

DEC

EQ

SKYPA

Air Mass

Guiding

X

Y

16

Wolf 365

11 11 00

06 25 11.3

2000


1.091



UT Start

UT End

Exp Time

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0.5 s

u’ g’ r’

1

Fast

1

Full

1

Comments

FIRST LIGHT. Standard star. Out of focus


Run

Object

RA

DEC

EQ

SKYPA

Air Mass

Guiding

X

Y

17 - 24

Wolf 365

11 11 00

06 25 11.3

2000





UT Start

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Exp Time

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0.5 & 4 s

u’ g’ r’


Fast

1

Full

1

Comments

Telescope focussing. Focus position based on FWHM of ~4.5 for each CCD. Telescope focus = 98.22-mm

Run

Object

RA

DEC

EQ

SKYPA

Air Mass

Guiding

X

Y

25 - 28

Wolf 365

11 11 00

06 25 11.3

2000





UT Start

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Exp Time

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0.5 & 4s

u’ g’ r’


fast

1

Full

1

Comments

Determine orientation of chip with respect to telescope. Settings not input yet


Run

Object

RA

DEC

EQ

SKYPA

Air Mass

Guiding

X

Y

29

Bias








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~20 - 30

fast

1

full

1

Comments

Bias frames.


Run

Object

RA

DEC

EQ

SKYPA

Air Mass

Guiding

X

Y

30 -32

M13








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4, 0.5, 2s (res)

u‘ g’ r’

1/run

Fast

1

Full

1

Comments

Use to check focus across CCD chips and also have a good pr image. Move telescope 80” west to centre image


Run

Object

RA

DEC

EQ

SKYPA

Air Mass

Guiding

X

Y

33

NGC 5866








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2s

u‘ g’ r’

1

Fast

1

Full

1

Comments

PR image. Lenticular galaxy






Run

Object

RA

DEC

EQ

SKYPA

Air Mass

Guiding

X

Y

34 -35

M13








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2s

u‘ g’ r’

1 & ?

Fast

1

Full

1

Comments

PR image, several frames taken. Moved telescope 80” west to centre image


Run

Object

RA

DEC

EQ

SKYPA

Air Mass

Guiding

X

Y

36 – 39

Ou Vir

14 35 00.18

-00 45 0.609






UT Start

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Exp Time

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0.5s

u‘ g’ r’


Fast

1

Full

1

Comments

Finding and aligning target


Run

Object

RA

DEC

EQ

SKYPA

Air Mass

Guiding

X

Y

40

Ou Vir

14 35 00.18







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~23:30

~00:03

0.5s

u‘ g’ r’


Fast

1

Full

1

Comments

Run ended due to system crash


Run

Object

RA

DEC

EQ

SKYPA

Air Mass

Guiding

X

Y

41

Uo Vir

14 35 00.18

-00 45 0.609






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Exp Time

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Speed

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00:04

00:40

0.5s

u‘ g’ r’


Fast

1

Full

1

Comments

Run ended due to system crash






Run

Object

RA

DEC

EQ

ROTPA

Air Mass

Guiding

X

Y

42

Ou Vir

14 35 00.18

-00 45 0.609






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Exp Time

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00:44

01:11

0.5s

u‘ g’ r’


Fast

1

Full

1

Comments

Run ended due to system crash. 159 Hex


Run

Object

RA

DEC

EQ

ROTPA

Air Mass

Guiding

X

Y

43

Ou Vir

14 35 00.18

-00 45 0.609






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Exp Time

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Speed

N Windows

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01:12

01:41

0.5s

u‘ g’ r’


Fast

1

Full

1

Comments

Run ended due to system crash


Run

Object

RA

DEC

EQ

ROTPA

Air Mass

Guiding

X

Y

44

Ou Vir

14 35 00.18

-00 45 0.609






UT Start

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Exp Time

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N Frames

Speed

N Windows

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01:42

02:13

0.5s

u‘ g’ r’


Fast

1

Full

1

Comments

Run ended due to system crash


Run

Object

RA

DEC

EQ

ROTPA

Air Mass

Guiding

X

Y

45

Ou Vir

14 35 00.18

-00 45 0.609



2.3



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Exp Time

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02:14

02:17

0.5s

u‘ g’ r’


Fast

1

Full

1

Comments

Run stopped to move to next target






Run

Object

RA

DEC

EQ

ROTPA

Air Mass

Guiding

X

Y

46 - 74

Hu Aqr

21 07 58

-13 13 38






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0.1s

u‘ g’ r’


Fast

2

60 x 50

2 x 2

Comments

Several frames taken to find target then align it parallel to the CCD mask


Run

Object

RA

DEC

EQ

ROTPA

Air Mass

Guiding

X

Y

75

Hu Aqr

21 07 58

-13 13 38






UT Start

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Exp Time

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Speed

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04:13

04:35

0.1s

u‘ g’ r’


Fast

2

60 x 60

2 x 2

Comments

Frame rate ~ 0.15. y-start = 453, x1L_start = 261, x1R_start = 705. Run stopped due to rack pc crash. Rack pc powered down and restarted.


Run

Object

RA

DEC

EQ

ROTPA

Air Mass

Guiding

X

Y

77

Hu Aqr

21 07 58

-13 13 38



1.309



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Exp Time

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05:06

05:10

0.2s

u‘ g’ r’


Fast

2

60 x 60

1

Comments

Run 76 is the SDSU power up file. Dome closed due to high humidity. Y-start = 453, x1L_start = 261,

x1R_start = 705.


Run

Object

RA

DEC

EQ

ROTPA

Air Mass

Guiding

X

Y

80 – 81

Sky flat

19 19 09

12 22 05






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0.5 & 0.1 res.

u‘ g’ r’


Fast

1

Full

1

Comments

Runs 78 – 79 are SDSU power up files. Both flat fields were saturated.