sasaki oaoum2009 kottamia - 国立天文台 ... · kottamia observatory and amean in ... geophysics...

!"#$%&'()*+,

188cm-./01

23*+456&$7891:;<!

Kottamia Observatory and AMEAN in future OAO UM / 2009 Aug 21

T. Sasaki (NAOJ)

1.!%&'()*+,(!"#$)=>

2.!)")?@A1-./01BC!

Kottamia 188cm Telescope

National Research Institute of Astronomy and Geophysics (NRIAG), Helwan, Cairo, Egypt

OAO UM / 2009 Aug 21 by T. Sasaki

On the desert 60km east from Cairo

Latitude 29 55' 35.24" N Longitude 31 49' 45.85" E

Altitude 482.7 m

DEFAG60km1HIJ1KL!

Statistical data shows

200 clear nights a year (S.M. Hassan 1998) but someone says

about 300 photometric nights.

M*N200OPQ1RST8'UVW

UX300O0YZ[\]^YW_`ab200OcdeY:;<UfY_

Kottamia Observatory and AMEAN in future


One of sister telescopes

at OAO/Japan, and Mt. Stromlo, Australia (burned*)

Sutherland, South Africa

gLhi0j2k_lmQn1955Q01959Q_!

*) http://www.mso.anu.edu.au/gallery2/main.php?g2_itemId=3808

OAO UM / 2009 Aug 21 by T. Sasaki Kottamia Observatory and AMEAN in future

Dome for Kottamia 188cm Telescope

Seeing Monitor

Accomodation for Observers

45]opqrstX$EuvwxX,yXFz8{|}n~��!


!"#$v%&'()*+,188cm-./01��

1980Q� JICA��r��X��X��X��

1990Q�?� �/��?�� #1�¡�¢£�/��¤� ! )¥(¦§¨��©1ª«N50¬®

1990Q�©¯ 188cm-./�/X�/°¥±D8¥v²³Exl�´µ

¶·¸x¹¨^ºµ

1997Q D°»u II¼½¾¿ÀÁÂ 1998Q ÃbÄmÅÆXÇÈÉÊ! ÇÈËÌÍÎÏÐÑÈd

�Ã�Q %&'()*+,Äm188cm-./½ÒÓÔÕÖ×

2006Q6Ø !"#$ÙD°»u II¼½¾ÈdÚ¢

2007Q3Ø D°»u II¼½¾ÛÜÝÞ( ��Xgß� 2007Q6Ø NRIAG IsmailàgL*áâã45yäy

!%&'()å1æçèvéÒè��ÁÂ 2008Q6Ø êß%&'()ëÎ

2008Q8Ø %&'()*+,ì¥$í ¹x$1îïrêß� 2009Q6Ø ½ÒÓÔÕÖ×ÓÔÝÞr��vðñ�!



Computerized Telescope Control System


Kottamia 188cm Telescope Instruments

CCD Camera (2154x2048) at Newton Focus


Trouble Shooting for Kottamia 188cm Telescope

Stellar images taken with Kottamia

188cm telescope under the

previous state on 2009-06-07

Stellar images were splitted into 3 segments

near 10 years!

10Q@ò�óôdõöU÷òXÕøùúûô_!



Mirror cell and counter balance system from the back-side view of the telescope

Mirrors, M1 and M2,

with its mirror cell were remade in 1995

by carl-Zeiss.

�/Xü/Xn1995Q�

Carl-Zeiss ý�cû£þ lÿ!"ô_Vó#£X

�/°¥^Äm!"ô_!



Detached the M1 and

its mirror cell from the

telescope.

Removing the M1 and its

mirror cell. Now the mirror support systems are

clearly seen.

M1

Axial supports

Radial Supports

�/°¥1$d�¢_%&8 'F&92(�cW_!



Axial Support System:

a mirror-touching pad, its counter weight,

gimbals, and its limiter

Limiter

Gimbals

Counter Weight

pad



Check the counter-weight balance with dummy weights of 90kg

! balances are all OK as the initial adjustment



Optical adjustments were done

after adjusting axial support system by sinking the three fixed supports.

Laser beam gun



Optical adjustments with laser beam by rotating the Cs rotator.

A center of the beam tracks is real optical center at Newton Focus.

Cross wire at Newton focus

Laser

beam

spot

Adjusting Newton Mirror


Nice Observations

with renovated Kottamia 188cm Telescope


Nice Observations

with renovated Kottamia 188cm Telescope

Previous 3 segmented

image

M13

Improved images

ö1Ä)*+!


Nicely inspected by

Egypt Governmental Science advisors and

Observatory director

Dr. Hamed Ismail, Dir. Kottamia Obs.; Prof. Salah Mahmoud, Dir.NRIAG; Dr. T.Sasaki; Dr.

Maged Al-Sherbiny, Egypt Sci.Adv.; Mr. Masaru Tsukamoto, JICA, Sci.Adv.; Prof. T. Noguchi; Dr. Gamal Ali; Dr. Ahmed Essam; Dr. Ibrahim Selim


Trying to get Hartmann test image

but a control computer has some

troubles on 2009-06-11 ..…

0906210048.jpg

!!Getting hartmann test images

on 2009-06-21 successfully


Hartmannù� 0.65 arcsec(¯,�

vs 0.18 arcsec @ lm-./

!01\2PÓÔU3Á!

4(56X%í56UVW!


7©1��8 1. Axial Support Äm : 9:d�

2. Radial Support 1;<Ì= 3. ¦>8$ ?/@A1BC61-D

4. ¦>8$ oCCD DEFÓÔXGÜHI 5. J8¨KF&$ÛL-M

6. ��GÜ1Äm-M

íExN8%E¥? #O§!&$P1QR

7. �/CO2xS8TUP1QR 8. D°»u Focal Reducer 1-M

9. D°»u II¼½¾1VWbX

YÃ[\1Z[ " YÃ45\]±^_¢£Y`a


Telescope available

Telescope in plan

Okayama

NishiHarima Gunma …

Xinglong

Tibet?

Hanle

Maidanak

Kottamia

Yunnan

Lulin

Bohyun

Sinai?

TMT

Subaru

Okayama 3.8m

bc)")X?@A�VW-./0BC¢ô

23*+456&$7891:;<!


Telescope available

Telescope in plan

Okayama

NishiHarima Gunma ...

Xinglong

Tibet?

Hanle

Maidanak

Kottamia

Yunnan

Lulin

Bohyun

Sinai? TMT 30m

Subaru

Okayama 3.8m

2m

2.16m

1.88m

1.88m

3.8m

8.2m

2m

30m

1.5m

1m

2.4m

EACOA

Research Collaborations

Research Collaborations


Telescope available

Telescope in plan

Okayama

NishiHarima

Xinglong

Tibet?

Hanle

Maidanak

Kottamia

Yunnan

Lulin

Bohyun

Sinai? TMT 30m

Subaru

Okayama 3.8m

2m

2.16m

1.88m

1.88m

3.8m

8.2m

2m

30m

1.5m

1m

2.4m

)")?@A½d�*+6&$789

Asia-Middle-East-Astro-Network rAMEAN)


Telescope available

Telescope in plan

Okayama

NishiHarima

Xinglong

Tibet?

Hanle

Maidanak

Kottamia

Yunnan

Lulin

Bohyun

Sinai? TMT 30m

Subaru

Okayama 3.8m

2m

2.16m

1.88m

1.88m

3.8m

8.2m

2m

30m

1.5m

1m

2.4m

Possible deploy. of Mitsume!50cm to Kottamia


eE$1fg^3Á

��" ?2hijõ�cWklö!


!"#$01*+[\X45æç��00^�

)")X?@AXamWvTMT±noú

*+456&$789± )")?@A½d�*+6&$789 pqaWr0U:;Ða_!


sasaki oaoum2009 kottamia - 国立天文台 ... · kottamia observatory and amean in ... geophysics...

Documents