iTelescope - T17 - Deep Sky Imaging - Siding Spring Observatory, Australia



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Location Information


Observatory: iTelescope.Net at Siding Spring Observatory Australia - MPC Q62

Telescope:  0.43-m f/6.8 reflector + CCD)

Timezone:  UTC +10:00 New South Wales, Australia Daylight savings time is observed.

Minimum Target Elevation: Approx. 20° West - 35° North & South - 55° East



South 31° 16' 24" East 149° 04' 11"  

Elevation: 1118m  MPC Code Q62


Operational Notes


Deep Field astrophotography. Clear, LRGB, Ha, OIII, SII filters.

Raw data can be found at


  • Maximum Exposure 240 seconds unguided.
  • Only Bin2 available
  • calibrated darks available for 240 sec


Instrument Package



QE: 91% Peak (~475nm)

Full Well:  51.4k e- 

Gain:  0.25 e- ADU-¹

Dark Current:  0.003 e-/pixel/sec. @ 0º C

Readout Noise:  1.5 e- rms

Pixel Size:  3.76um Square

Resolution:  0.531 arcsec/pixel (Bin2)

Sensor: Sony IMX455  

Cooling: -10C default 

Array:   9576 x 6388 pixels (Bin1), 4788 x 3194 (Bin2)

FOV:  42.4 x 28.3 arcmin    


Astrodon: Luminance, Clear 

Astrodon: Red-E. Green-E. Blue-E.

Astrodon: Ha 5nm, 5nm OIII, 5nm, SII


Position Angle: 84.2º E of N


Telescope Optics


OTA: Planewave 17" CDK 

Optical Design: Corrected Dall-Kirkham Astrograph 

Aperture: 432mm

Focal Length: 2939mm

F/Ratio: f/6.8 

Guiding: External 

Mount: Paramount PME