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Tag Archives: Planning star and planet observations
Planning Star and Planet Sights
Fixes from Sightings of Stars and Planets. There are 59 navigational stars and 4 navigational planets which we can use to achieve position fixes. However, there are only two short periods during the day in which we can do this … Continue reading →
The ‘Where To Look’ Method.
To determine the altitude and azimuth of a celestial body, we could make calculations by using mathematical formulae; we could compute them with the aid of sight reduction tables; we could use star globes and star charts or we could … Continue reading →
Finding Stars and Constellations, Part IV
This post continues the series Finding Stars and Constellations. Boötes The Herdsman If we take a line from Alioth to Alkaid in the Great Bear and extend that line in an -imaginary curve for about roughly three hand-spans … Continue reading →
Finding Stars and Constellations, Part I
The usual practice for distinguishing the more conspicuous constellations is to establish reference lines in a known constellation and from these to memorize the directions in which other constellations lie on the celestial sphere. For example, one of the most well … Continue reading →
Rising and Setting Times of Stars.
It is very useful to be able to calculate the times at which the principal stars and constellations will rise in the east. It is also helpful to be able to predict the approximate position of the star or constellation … Continue reading →
Planning Star and Planet Observations
I have been asked about using ABC tables to calculate azimuth and altitude when planning star and planet observations. Unlike the Sun and the Moon which are easily identified, the approximate positions of stars and planets need to be established … Continue reading →
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Tagged amazon, astro navigation, book, celestial, celestial navigation, celestial navigation for dummies, celestial navigation made easy, celestial navigation training, eBook, mathematics of celestial navigation, Planning star and planet observations, Rapid Sight Reduction, star and planet observations
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