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Celestron telescopes offer the option to use computerized location of astronomical objects as well as mounts that will aim themselves at any given object, a technology known as GoTo. Most of the computerized models can be connected to an external computer via an RS-232 cable, allowing them to be controlled by a third-party astronomy program or ...
The advent of iPhone/Android and associated astronomy apps have somewhat eliminated the need for this device. However, the Skyscout had a low-intensity light system that allowed users' eyes to adapt to the darkness needed for observing stars. The Celestron SkyScout's database of star and planet positions only extended up to Jan 1, 2016.
It uses agreed standards that allow different computer programs ('apps') and devices to communicate with each other simultaneously. This means that you can have things like mounts, focusers, cameras and filter wheels all controlled by a single computer, even with several computers sharing access to those resources.
People demonstrating a Schmidt–Cassegrain telescope at a sidewalk gathering. The Schmidt–Cassegrain design is very popular with consumer telescope manufacturers because it combines easy-to-manufacture spherical optical surfaces to create an instrument with the long focal length of a refracting telescope with the lower cost per aperture of a reflecting telescope.
The 100-inch (2.54 m) Hooker reflecting telescope at Mount Wilson Observatory near Los Angeles, USA, used by Edwin Hubble to measure galaxy redshifts and discover the general expansion of the universe.
In documentation and instructional design, tutorials are teaching-level documents that help the learner progress in skill and confidence. [7] Tutorials can take the form of a screen recording (), a written document (either online or downloadable), interactive tutorial, or an audio file, where a person will give step by step instructions on how to do something.
Maynard operation sequence technique (MOST) [1] is a predetermined motion time system that is used primarily in industrial settings to set the standard time in which a worker should perform a task.
The standard format used to refer to Abell clusters is: Abell X, where X = 1 to 4076.E.g. Abell 1656. Alternative formats include: ABCG 1656; AC 1656; ACO 1656; A 1656, and A1656. Abell himself preferred the latter, but in recent years ACO 1656 has become the preferred format among professional astronomers and is the one recommended by the Centre de Données astronomiques de Strasbourg