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In the Northern Hemisphere, rough alignment can be done by visually aligning the axis of the telescope mount with Polaris.In the Southern hemisphere or places where Polaris is not visible, a rough alignment can be performed by ensuring the mount is level, adjusting the latitude adjustment pointer to match the observer's latitude, and aligning the axis of the mount with true south or north by ...
FITS Liberator is free software released under the BSD-3 license. [2] The engine behind the FITS Liberator is NASA's CFITSIO library . Although the first version of the software was a tool used mainly by professional astronomers , efforts have been made to bring the tool to the homes of educators and students.
Free to use: command-line-- ... TheSky Astronomy Software webpage; Logiciel PRISM; PlateSolve3 info This page was ...
Astropy is a collection of software packages written in the Python programming language and designed for use in astronomy. [2] The software is a single, free, core package for astronomical utilities due to the increasingly widespread usage of Python by astronomers, and to foster interoperability between various extant Python astronomy packages. [3]
Package Name Pro. Am. Interface Connects to Online (e.g. VO) Data Displays or Manip. FITS Images Tiled Multi-Resolution All-Sky image Handling Displays
Currently, astrometric solving is exclusively done by software programs. The program extracts the star x,y positions from the celestial image, groups them in three-star triangles or four-star quads. Then it calculates for each group a geometric hash code based on the distance and/or angles between the stars in the group.
Cartes du Ciel ("CDC" and "SkyChart") is a free and open source planetarium program for Linux, macOS, and Windows. [2] With the change to version 3, Linux has been added as a target platform, licensing has changed from freeware to GPLv2 and the project moved to a new website.
In amateur astronomy, setting up a portable telescope equipped with setting circles requires: Polar alignment – The telescope must be aligned with either the north celestial pole or the south celestial pole. Polaris is roughly at the north pole, while Sigma Octantis is roughly at the south pole.