iTelescope - T20 - Wide Field - New Mexico
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Location Information
Observatory: New Mexico Skies at Mayhill, New Mexico - MPC H06
Telescope: 0.1-m f/5.0 astrograph + CCD
Timezone: UTC Minus 7:00. Daylight savings time is observed
Minimum Target Elevation: Approx 15-25 Degrees in East, West & South. Very Limited to the North NE & NW due to observatory roof in roll back position. Approx 60 degrees Minimum Altitude.
N 32° 54’ Decimal: 32.9 North
W 105° 31’ Decimal: 105.5 West
Elevation: 2,225 metres (7,298 ft)
Operational Notes
Very Wide Field Telescope. Typically used for Wide Field RGB / Narrowband Imaging. FITS and TIF file formats. Dark Frame calibration data is available for 60, 120, 180, 300 second exposures. Binx1 - Binx2. Recommended Maximum Exposure 300 seconds. Raw data can be found at data.itelescope.net.
- T20 is a great platform for wide angle imaging and nothing can match its very wide field portraits and its performance on the sky's larger extended objects such as large nebula, clusters, bright comets and even catching fast moving Near Earth Objects.
- This system is included for use in the Demo Upgrade Package.
- IMPORTANT NOTES: T20 is externally Guided: Please limit sub-exposure times to 300 seconds or less for best results. We recommend using the 'Dithering' imaging option on T20 to remove any column defects during your post processing.
Instrument Package
CCD: SBIG STL-11000M
QE: 50% Peak
Full Well: ~50,000e- Anti Blooming Gate (ABG)
Dark Current: 0.5 e-/pixel/sec. @ 0º C
A/D Gain: 2.2e-/ADU
Pixel Size: 9um Square
Resolution: 3.5 arc-secs/pixel
Sensor: Frontlit
Cooling: Set to -15ºC default
Array: 4008 by 2672 (10.7 Mega pixels)
FOV: 155.8 x 233.7 arc-mins
Filters: LRGB, Ha (3nm), SII (3nm) & OIII (5nm), V
Position Angle: 092.7º
Telescope Optics
OTA: Takahashi FSQ-ED
Optical Design: Petzval Apochromat Astrograph
Aperture: 106mm (0.1 metre)
Focal Length: 530mm (0.53 metre)
F/Ratio: f/5.0
Guiding: External
Mount: Paramount PME