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Pier-16 Equipment List

Telescope
Sigma 105mm F/1.4 Art Lens Stopped down to F/2.8
Mount
Ioptron Hem-27ec
Camera
ZWO ASI-2600MC Pro Colour CMOS
Filter Wheel
ZWO 5 Position 2"
Filters
OSC, RGB, Ha/O3 & S2/O3
Guide Camera
N/A
Guider
N/A
Focuser
Astromechanic Lens Focusing System
Power Control
HitecAstro MHP V4

Telescope

Sigma 105mm ART lens stopped down to F/3.2 for better star shapes.

This is a very fast F/2.8 system & when used with a CMOS sensor, the longest exposure needed for this pier is 180 seconds

CMOS Camera

The ZWO ASI-2600MC Pro Colour CMOS is one of Sony's new generation zero ampglow sensors. They are super sensitive with very low noise.

We have also added some of the latest generation IDAS filters like the D3, NBZ etc which allows you to perform narrowband imaging with the system

Sony IMX571

Back illuminated CMOS Sensor
23.5x15.7mm
6248x4176pixels
3.76µm
Bayer Matrix Parameters

RGGB

  • 12.82° x 8.57°

  • 7.64 "/px

  • 105mm Focal Length

  • F/2.8

  • 20º Imaging Horizon Limits

  • Camera Position Angle: TBA°

  • Recommended sub lengths

FilterBrightDim
OSC
10-60s

60-120s

RGB
30-60s

60-180s

Ha/O3
60-120s

120-180s

S2/O3
60-120s

120-180s

Calibration Files

  • 10s Darks

  • 20s Darks

  • 30s Darks

  • 45s Darks

  • 60s Darks

  • 90s Darks

  • 120s Darks

  • 180s Darks

  • Bias Frames

  • Flat Frames

The following calibration files are available as standard with this system. Other darks are available upon request.

  • Recommended sub lengths

Although Pier-11 has a OSC Camera we have also added some modern Dual/Triband fiters designed for narrowband imaging etc
IDAS LPS-D3 RGB -

Enhance the contrast of astronomical emission nebulae against a sky with both man-made and natural* sky glow sources, yet preserve the colour balance of broadband objects such as galaxies. As with other IDAS interference filters, the bandpasses are designed to accommodate the steep ray angles of fast optical systems.

IDAS NBZ Ha/O3 HS -
The defacto high speed dual-band filter from IDAS, low halo high contrast and works well down to F1.4
IDAS NBZ S2/O3 -
This one is new to us also, seemed silly not to fit it for full narrowband imaging however
Bayer Matrix

When you receive your data, at first glance it may appear green, this is normal because One shot colour cameras have a bayer matrix over the sensor, this particular sensor has a RGGB bayer matrix and you will need to de-bayer it as part of your calibration and stacking process in your chosen software.

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