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1.1. The StarShoot G4
The StarShoot G4 is an astronomical imaging CCD camera with a 16-bit image
output and a regulated thermoelectric cooler to enable maximum imaging perfor-
mance. Both the G4 Color and G4 Monochrome are very sensitive and capable
of detecting faint deep sky objects in a short exposure; and longer exposures
can reveal extremely deep fields with subtle nebulosity and galaxies in the
background.
You may also choose to use the G4 as a dedicated autoguider. The highly sen-
sitive, low noise, 16-bit camera allows faint guide stars to be detected. The on-
board autoguiding output allows you to connect the autoguide cable directly from
the camera to your ST-4 compatible mount.
1.2. Feature Highlights
• Simple interface: A USB port is all that’s needed to connect the G4 to your
computer (
Figure 3). The power port is used to power the thermoelectric
cooler, which is recommended for the best imaging performance.
• Regulated cooling: Enables you to set the exact temperature within the
cooling range of the camera. This allows you to take calibration images like
dark frames at the exact same temperature as your light frames, making
for the cleanest images possible. Additionally, since you can match the
CCD temperature at any time (within the range of the cooler), you have the
freedom to take dark frames when it’s most convenient for you, so you don’t
have to use up valuable imaging time to take dark frames.
• Vibration-free MagLev Cooling Fan: This essential component of the
cooling system vents out the heat generated by the TEC.
• Autoguider output: (Figure 3) When used as an autoguider, the G4
can connect the autoguider relays directly from the camera body to your
equatorial mount. This eliminates the need to relay an additional adapter
from your PC.
Figure 2.1.
The G4 can be connected to
your telescope in three different ways, 1.25",
2", or T-thread.
Figure 2.2.
Standard 1.25" filter
threads add versatility to allow additional
accessories to be used.
2" Mounting base
1.25"
Nosepiece
T-threads
Standard 1.25"
filter threads
(M28.4x0.6)
T-threads
(M42x0.75)
