Arditti, DavidJournal of the British Astronomical Association
These plans are for a homemade telescope that will be cheap to build. Making distant objects appear close by looking through pieces of curved glass is always thrilling, but the enjoyment is increased when you peer through a telescope that you yourself have made. ...
Let's briefly review how a telescope works. A telescope must gather large amounts of light from a dim, distant object; therefore, it needs a large objective lens to gather as much light as possible and bring it to a bright focus. Because the objective lens is large, it brings the ...
Then, the scientist rotates either the telescope or the prism to bring another color into view. By noting the angle of the prism or the telescope, the wavelength of the exiting light can be determined. Using a spectroscope to analyze a sample may take several minutes, but it can reveal ...
Aligning a Computerized Telescope for Imaging Note: For specific instructions on aligning various models of computerized telescopes, see the Aligning a Computerized Telescope section of theTelescope Basics site. Below are general recommendations for aligning for CCD imaging. Most computerized or goto ...
Cable management is kind of set up dependent. I use a mini pc and a powerbox mounted up on the telescope. So in the past with my old mounts I would have one power cable going from the ground to my powerbox. Then I would have one power from the powerbox to the mount, and one usb...
by the author, showing how objects in the sky actually look through modest amateur equipment. Whether you are a parent thinking of buying a telescope for your children, or a newcomer yourself, this book has all you need to know to take the first steps into the fascinating world of ...
This is the very same antenna I was suggesting to be used in the radio telescope array I depicted in figure 5 above. Stacked half wave dipoles or a collinear arrayThe majority of TV antennas in my retirement village are stacked half wave dipoles. These consist of four sets of a half wa...
I offered them a turn on my tripod for a moment and talked them through the steps needed to create the flowing stream look. The Canon Rebel T5i they were using was perfectly capable of achieving the same effect. A minute later they had succeeded, happy with a very pretty photo. I ...
Using mesh plugs or patches to repair the defect Performing laparoscopic surgery to fix the defect. The surgeon makes a small incision in the skin and performs the surgery using a telescope). If you are considering having a hernia repaired, you and your surgeon will discuss which technique is...