Observational equipment

Astronomical Observatory of Belgrade (AOB) provided several cameras and instruments to be able to work on all three telescopes. These instruments are stated and briefly described below:

Port 1 on @ telescope Milanković

This port is equipped with focal reducer 0.65, so focal length is 7132 mm (instead of 11200 mm). There is also field flattener f/7.6 which gives F=10.64 m.

Andor iKon-L 936 CCD

Andor’s iKon-L 936 is designed with scientific imaging in mind. The 2048 x 2048 array and 13.5 μm pixel pitch combine to deliver a 27.6 x 27.6 mm active image area, TE cooled down to -100°C. The iKon-L offers outstanding resolution, field of view, sensitivity and dynamic range performance. Ultimate sensitivity performance is achieved through combination of > 90% QE (back-illuminated sensor), low noise readout electronics and exceptionally deep TE cooling.

Technical details:

This camera is equiped with following filters: Johnson B, V, R, I, L, filters and Hα , Hα continuum, SII and OIII.

More details about the Andor iKon-L camera can be found here.

Port 2 on @ telescope Milanković

LISA VIS spectroscope specificationshttps://www.shelyak.com/produit/spectroscope-lisa-vis/?lang=en#specifications-produit

Collimator F=130mm F/5
Resolution power R ~1000 with a 23 µm slit
Grating 300 tr/mm blazed at 500nm
Visible domain (400-700nm)
Slit length : 4 mm
Slits: 15/19/23/35/50/75/100 µm
Widths in arc seconds at focal distance of 7132 mm: 0.43/0.55/0.67/1.01/1.45/2.17/2.89
Photometric slits at four positions: 23/200 µm, 27/250 µm, 31/300 µm, 35/350 µm
Widths in arc seconds at focal distance of 7132 mm: 0.67/5.78, 0.78/7.23, 0.90/8.68, 1.01/10.12

Spectra recording camera: ZWO ASI533 MM Pro
https://www.zwoastro.com/product/asi533-pro-series/

Sensor : Sony-IMX533CLK-D
Sensor diagonal : 15.968mm
Resolution: 3008 x 3008
Pixel size of 3.76μm
Shutter : Rolling shutter
Exposure Range: 32 μs -- 2000 s
read noise: from 1 to 3.8 e-
QE peak: 91% @ 460nm
Full well: 50000 e-
ADC : 14 bit
Back Focus Distance: 17.5mm
Cooling: 30°C-35°C below ambient

Guiding camera: ZWO ASI174Mini camera
https://www.zwoastro.com/product/mini-cameras/

Sensor: 1/1.2″ CMOS IMX174LLJ / IMX174LQJ
Resolution: 1936×1216
Pixel size: 5.86µm
Exposure range : 32µs -- 300s

 ProLine PL23042 @ telescope Nedeljković

The ProLine PL23042 offers an outstanding combination of high quantum efficiency, deep full well capacity, excellent cooling, and large imaging area.

Technical details of PL23042 :

This camera is equiped with following filters: Johnson B, V, R, I filters and Sdss g, r, i, z and y.

More details about the PL23042 camera can be found here.

SBIG STXL-6303E @ telescope Meade

The SBIG STX and STXL cameras offer a choice of sensors, allowing you to select the right pixel size and imaging array to match your application and budget. The STXL series feature rectangular sensors from 6.3 to 16.2 megapixels and use cost-effective 50mm round filters. The larger STX series are larger square sensors ranging from 9.3 to 16.8 megapixels and use 50mm square filters. Peak quantum efficiency (QE) ranges from 50 to 70% with frontilluminated sensors.

Technical details of SBIG STXL-6303E:

This camera is equiped with following filters: Johnson B, V, R, I filters.

More details about the SBIG STXL-6303E camera can be found here.