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Home ยป Telescope Tips Tricks and Hacks

Astrophotography Cable Management – Building An Equipment Plate

2018-07-03 by Mitchell Tubbs

Previously I posted about astrophotography cable management  and I outlined the top three reasons why you need a cable management

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Filed Under: Telescope Tips Tricks and Hacks Tagged With: Astrophotography Cable Management

Astrophotography Cable Management – 3 Reasons To Do It

2018-06-21 by Mitchell Tubbs

If you have a telescope, and you’re trying to take photos through it, you’re going to have cables.  The more gear you use, the more cables you have.  Before long, it becomes clear that you will need some sort of astrophotography

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Filed Under: Telescope Tips Tricks and Hacks Tagged With: Astrophotography Cable Management

How To Make A Cooled ASI174MM

2015-10-20 by Mitchell Tubbs

How To Make A Cooled ASI174MM

When acquiring any exposure, regardless of the duration of the exposure, the sensor will generate some noise. Some of that noise is electronic randomness which can be eliminated by subtracting bias frames. Some noise is actually signal generated by the chip. Dark frames are used to remove this unwanted signal. I immediately noticed how much of this thermal signal was present when I first started my deep sky experiments with the ASI174MM. I'd like to say that this is my original idea, but I actually saw people doing this hack with DSLR and other cameras. It was clear that I would be able to quickly and inexpensively come up with my own cooled ASI174MM camera hack.

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Filed Under: Reviews, Telescope Tips Tricks and Hacks Tagged With: Astrophotography, Hack, How To, ZWO ASI174MM

ASI174MM Sensor Noise Tests

2015-10-13 by Mitchell Tubbs

ASI174MM Sensor Noise Tests

One of the most demanding challenges any astrophotographer will face with every project is generating a sufficiently high Signal to Noise ratio (SNR). There are several kinds of noise in every sub-exposure and a detailed description of each kind of noise goes beyond this posting. My focus here is the method I used to quantify the ASI174MM sensor noise as it relates to long exposures. The simplest way to do this test is to accumulate a series of dark frames in a controlled setting.

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Filed Under: Reviews, Telescope Tips Tricks and Hacks Tagged With: Astrophotography, How To, ZWO ASI174MM

Filter Vignetting Test

2015-10-06 by Mitchell Tubbs

Filter Vignetting Test

The biggest challenge with deep sky astrophotography I have is light pollution. Where I live, and depending on the night (Friday night football games are very common in my area) the light pollution limits my sub exposures to less than two minutes. Anything exposed over 90 seconds is even questionable with the amount of sky glow that can saturate my image sensor. Because of this, I can benefit from the use of a light pollution filter.

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Filed Under: Telescope Tips Tricks and Hacks Tagged With: Astrophotography, How To, ZWO ASI174MM

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Recent Posts

  • Astrophotography Cable Management – Building An Equipment Plate
  • Astrophotography Cable Management – 3 Reasons To Do It
  • ISS Solar Transit Captured With ZWO ASI174MM
  • How To Make A Cooled ASI174MM
  • ASI174MM Sensor Noise Tests

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