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HitecAstro Weather USB - Cloud Sensor

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in In stock (2)
0.15 kg
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including VAT 20.00 % ( £23.83 )

HitecWeather – Never miss a clear sky again! Simple reliable cloud sensing and much more with these cloud sensors.

How many times has it happened to you?

The weather forecast doesn’t look to promising for observing imaging so rather than waste time cloud watching you settle down to watch the sports or a good movie.

Later on you step outside and viola the sky is beautifully clear and has been so while you were inside watching TV.  Sound familiar?

Clearly a cloud sensor would be ideal.

Wouldn’t it be great if you had a permanent eye on the sky to tell you when it’s clear outside.  Well now you can.  Hitecastro are delighted to announce the latest additions to our product line up.

HitecWeather USB and HitecWeather Deluxe offer cloud sensing and much, much more at a price which won’t break the bank.

Although they are stable mates and on the face of it seem similar, both products are very different and indeed serve the astronomer with a very different set of functionality and solve two distinct problems.

HitecWeather USB

HitecWeather USB in many ways is the little brother of the two however its function is very different as you will see.

HitecWeather USB contains a cloud sensor and ambient temperature sensor.

However it is presented in a much smaller package and is designed to be mounted on the end of your OTA.

The field of view of the sensor is restricted to 10degrees and points where your telescope is looking thereby providing accurate sensing of cloud where you are imaging only.

It’s no good if 90% of your sky is clear and a pesky cloud is hanging in front of your target that night.

With HitecWeather USB you get instant updates on your computer screen to tell you what the sky is like where your telescope is pointed to.

What's in the box:

  • HitecWeather USB device
  • Velcro to secure the device to your telescope

Note: a USB cable is not included as we cannot predict what length each customer would need. I.e. we use a very short one as we use it attached to our guidescope on top of our PrimaluceLab Eagle 2 and then the device is plugged into the Eagle2 via a very short USB A to B type cable.

Feature Comparison

Feature HitecWeather Deluxe HitecWeather USB
Cloud Sensor Yes Yes
Ambient Temperature Sensor Yes Yes
Cloud Sensor Field of View 100 degrees 10 degrees
Rain Sensor Yes No
Connection Serial RS232 (USB via Adapter) USB
Power Relay Yes No
Power Requirement 12V USB Self Powered
Alerts Email, Screen Screen
Package IP66 Rainproof Not designed to be rainproof
Max Cable Length Tested to 150ft (50m) 15ft (5m) (USB standard), longer with active repeater
ASCOM Safety Monitor Driver Yes Yes
Astronomical Calculator Yes No

Note, written by Dave Grennan, Product Development Manager – HitecAstro:

One thing we haven’t discussed yet is just how configurable these units are. At Hitecastro we have considered long and hard how best to produce a cloud sensor which will work at every location at all times.

Why is this so difficult?  To understand this we need first to look at how our cloud sensors work.

Simply put, the sensor detects infrared radiation coming from the sky. A cloudy sky reflects lots of IR radiation and in theory, a perfectly clear sky reflects little or no IR.  However the ambient temperature has a role to play too and it is the relationship between these two that HitecWeather utilise to determine the clarity of the sky.  Simply put cloud sensing is easy.  However determining for, example the difference between a clear sky and a slightly hazy sky becomes more difficult.  Now couple that with the vagiaries of different climates and rapidly changing airmasses and you can see why the task of a ‘one fits all’ solution would be difficult at best.

HitecWeather provides a system in which all of the parameters which define the clarity (or otherwise) of the users sky can be determined using a method which we have spent quite a bit of time learning to understand and develop.  These parameters can be simply set in the software provided and thus allow the user to adapt to different prevailing conditions.  By default HitecWeather is loaded with parameters which we have found to work well from the United Kingdom.  However overseas customers might need to adjust these to suit local climates.  In short wherever you live and whatever your climate HitecWeather will work for you with minimal effort.  If desired, users can download recommended parameters automatically.

Our software is written by astronomers just like you.  We understand just what our fellow astronomers need.  We spend a lot of time thinking about and using these products ourselves before we even offer them to the most important people of all.  Our customers.


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