iTelescope - T33 - Medium Deep Field - Imaging

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Location

Observatory: Siding Spring - Australia - MPC Q62

TEL 0.4-m f/3.5 reflector + CCD

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Minimum Target Elevation: Approx 20° EAST & NORTH, 45° WEST, 30° SOUTH

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

South 31° 16' 24" East 149° 03' 52"  Elevation: 1122m  


Operational Notes

T33 features a large CCD chip with a great FoV. Matched up with the wonderful Paramount PME mount and off axis guidance this telescope will deliver incredable data.

FITS and TIF file formats. Dark Frame calibration data is available for  60, 120, 180, 300, 600, 900 second exposures. Binx1 - Binx2.  The CCD is Anti Blooming Gated - ABG.

300s sub exposures are optimal at Binx1 for LRGB data & Narrowband at 300 Binx2, or 600 Binx1 on calm nights.

Due to the very fast optical design, a bright moon light may impact some exposures.  Select targets well away from the moon position and use narrowband filters for quality data during bright moon periods.

Note: T33 uses a custom made off-axis guiding system. This system is susceptible to winds and gusts due to its large closed tube design. Keep exposures as short as possible for your mission on windy nights of over 8kph near zenith is particularly sensitive to guidance issues.

QE: 48% Peak
Full Well:  > 41k Saturation Exposure (ABG)
Dark Current:  <0.008 e-/pixel/sec. @ -30º C
Pixel Size:  7.4um Square
Resolution:  1.07 arcsec/pixel
Sensor: KAI-16070 ABG
Cooling: -30º C default 
Array:   4864 x 3232 pixels
FOV:  88.3x58.7 arcmin    
Filters: 
Astrodon I-Series: Luminance, Red, Green, Blue
Astrodon 5nm Ha, SII, OIII
Position Angle: 267º

Telescope Optics

Optical Design: Fast Newtonian Astrograph 
Aperture: 400mm
Focal Length: 1425mm
F/Ratio: f/3.5 
Guiding: Off-Axis Guiding
Mount: Paramount ME

 

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