# Astronomical Almanac

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The price of the current issue **PLN 40 + 8% VAT**

Institute of Geodesy and Cartography

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e-mail: biblioteka@igik.edu.pl

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The *pdf* version available for download at:

http://bc.igik.edu.pl/dlibra/collectiondescription?dirids=7

The archive copies available on demand.

## Astronomical Almanac 2020

LXXV volume of the Astronomical Yearbook for 2020 in electronic format (*pdf*) is a continuation of the previous editions in unchanged form.

The electronic edition of the almanac is suplemented by a traditional printed version in shortened form, as well as an on-line version. At the moment the Astronomical Almanac "On-line" includes two calculators. The "Calculator of the Apparent Position of stars" allows to calculate the apparent position of all stars of the FK5, FK6 and Hipparcos catalogs, in the FK5 System as well as in the IRS. The "Calculator of Mean Posiotion and Besselian Numbers" alows to calculate the apparent position in the FK5 system, in an '*old fasion*" way, i.e. using mean positions of stars for mid-year epoch and the associated Besselian Numbers.

## Astronomical Almanac 2019

LXXIV volume of the Astronomical Yearbook for 2019 in electronic format (*pdf*) is a continuation of the previous editions in unchanged form.

The electronic edition of the almanac is suplemented by a traditional printed version in shortened form, as well as an on-line version. At the moment the Astronomical Almanac "On-line" includes two calculators. The "Calculator of the Apparent Position of stars" allows to calculate the apparent position of all stars of the FK5, FK6 and Hipparcos catalogs, in the FK5 System as well as in the IRS. The "Calculator of Mean Posiotion and Besselian Numbers" alows to calculate the apparent position in the FK5 system, in an '*old fasion*" way, i.e. using mean positions of stars for mid-year epoch and the associated Besselian Numbers.

## Astronomical Almanac 2018

LXXII volume of the Astronomical Yearbook for 2017 in electronic format (*pdf*) is a continuation of the previous editions in unchanged form.

The electronic edition of the almanac is suplemented by a traditional printed version in shortened form, as well as an on-line version. At the moment the Astronomical Almanac "On-line" includes two calculators. The "Calculator of the Apparent Position of stars" allows to calculate the apparent position of all stars of the FK5, FK6 and Hipparcos catalogs, in the FK5 System as well as in the IRS. The "Calculator of Mean Posiotion and Besselian Numbers" alows to calculate the apparent position in the FK5 system, in an '*old fasion*" way, i.e. using mean positions of stars for mid-year epoch and the associated Besselian Numbers.

## Astronomical Almanac 2017

LXXII volume of the Astronomical Yearbook for 2017 in electronic format (*pdf*) is a continuation of the previous editions in unchanged form.

At the same time, the online version of the Yearbook has been extended allowing further significant reduction of the printed version. At the moment the Astronomical Almanac "On-line" includes two calculators. The "Calculator of the Apparent Position of stars" allows to calculate the apparent position of all stars of the FK5, FK6 and Hipparcos catalogs, in the FK5 System as well as in the IRS. The "Calculator of Mean Posiotion and Besselian Numbers" alows to calculate the apparent position in the FK5 system, in an '*old fasion*" way, i.e. using mean positions of stars for mid-year epoch and the associated Besselian Numbers.