Summary on Maidanak Users activity: 1yr after

Mansur Ibrahimov, Shuhrat Ehgamberdiev

UBAI, Tashkent

2nd Maidanak Users Meeting, June 21 2010

Resume of the 1st meeting (SNU Korea):

Uninterrupted power supply

Stable internet connection

Telescopes: mirror recoating

Improving of living conditions: transportation, dormitories, water supply technician and night assistance teams

Maidanak: telescopes and instruments

6 telescopes: 1.5m, 1m, 4x60cm (4 of them in operation)

5 CCDs: SI 600 Series 4K, SITe 2000x800, 2x FLI IMG 1K, SBIG ST9-XE 0.5K

Direct Imaging only (in optic), No IR No Spectra

Stable Internet: done !

2007-2010: extremely hard paperwork

Satellite based VSAT system, www.steccom.ru

Owner: AstroTel Ltd, Boris Satovski (under agreement with UBAI)

8 MB/sec down, 384 KB/sec up (chargeable down/up)

Cost estimation: 1 GB/month for US$ 700

Telescopes: recoating - partially done

June 2009- June 2010: recoated at Okayama Obs., Japan 60 cm 48 cm

Funding: JSPS+NAOJ+Okayama (1 wooden box, 2 mirrors, round-trip shipment)

Not yet recoated: 1.5 m 1.0 m 2 more 60 cm

Telescopes: cleaning – two 60cm

June 2009 – 60cm mirror at Zeiss600-Kiev

October 2009 – 60cm mirror at Zeiss600-Moscow

October 2008 – 1.5m mirror at AZT-22 (~1mag deeper) (next cleaning – fall 2010 or fall 2011)

Telescopes: reflectance as of Oct 2009

1.5m – > 80 %

1.0m – < 50 %

2x60cm – 65-75 %

(Okita Kiichi-san, Okayama Obs.)

Uninterrupted Power Supply: no changes

Governmental supply: failed and becoming more trouble year by year

Diesel + oil supply: the ONLY way for Maidanak Users

Current cost estimations in US$ : Diesel - 50-60K Oil supply – 40K (for 40 tons)

Uninterrupted Power Supply: 60cm scopes

Individually Power Supplied Scopes (using powerful battery):

Zeiss600-Kiev – almost done Zeiss600-Moscow – in project for 2010

(Artamonov and Magnitskii, SAI Russia)

FYI: Individually Power Supplied system had been already realized at AstroTel-Maidanak Telescope (AMT-1)

Satovski (AstroTel Ltd)

Living conditions: no changes

Transportation problem: Tashkent-Samarkand by train – no problem Samarkand-Maidanak – still a problem need 2 cars (at least) for transportation/logistic

Dormitories: 2 dormitories need to be reconstructed and/or repaired

Water supply: still primitive (bringing by truck from the spring) 5-6 times/year no regular shower, no WCs

Tech and night ass teams: no changes

1.5m scope: 1 regular night assistant from Kitab 2-3 visiting observers/month (summer-fall seasons)

1m scope: no regular program, no assistant at all

two 60 cm scopes: 1 episodically observing assistant from Tashkent 1-2 visiting observers/month (summer-fall seasons)

Technician team: 5 people managed by Abbas Aliev

Summary of 1yr activity:

Internet – done

Recoating – 1 mirror done, 4 mirrors not yet

Power supply – nothing changed, currently ~100K$ individually buttery supplied system ?

Living conditions – nothing changed: transportation, dormitories, water

Tech+ night ass teams – nothing changed: the both teams should be enlarged

That’s all.

Thank you.