iTelescope - T68 - One Shot Color - NMS

Location Information

Observatory:  New Mexico Skies at Mayhill, New Mexico - MPC H06

Telescope:  11" (280 mm), F2.2  RASA astrograph + CMOS

Timezone:  UTC Minus 7:00. Daylight savings time is observed

Minimum Target Elevation: Approx 20-25 Degrees


N 32° 54’    Decimal: 32.9 North

W 105° 31’ Decimal: 105.5 West

Elevation: 2,225 metres (7,298 ft)

Operational Notes

Deep Field Color Imaging. FITS and TIF file formats. Binx1 Only.

Raw calibration data can be found at

  • Recommended Maximum Exposure 300 seconds. Limit is set to 300 seconds.
  • No user-initiated dark calibrations can be taken on T68 due to electronic CCD shutter.

Instrument Package

CMOS: ZWO ASI2600 Color

QE: more than 50% Peak

Pixel Size: 3.76 micron

Resolution:  1.25 arcsec/pixel

Sensor:  Frontlit 

Cooling:  Set to -10ºC  

Array: 6248 x 4176

FOV: 2.17 x 1.45 deg

Filters: None - Color

Position Angle: 277º
Bayer Pattern: RGGB


Telescope Optics

OTA: Celestron RASA 11" 280mm

Optical Design: Rowe Ackerman Schmidt Astrograph

Aperture: 279 mm

Focal Length: 620mm

F/Ratio: 2.2

Guiding: via mount model

Mount:  Paramount GTS1100