Navigational Star List Fields

The MICA Version 2.0 Navigational Stars catalog contains the same objects as listed in the The Nautical Almanac. In the description below, 'b' stands for a blank character and 'N' stands for a single (0-9) digit and 'C' stands for a single character.

The following fields are contained within each entry in the Navigational Star List:

Navigation Star Name

This name was obtained directly from The Nautical Almanac. This is a searchable field. Examples: 'Acamar', 'Zubenelgenubi', or 'Alkaid'.

Navigational Star Number

A two-digit number (1-59) uniquely identifying the navigation stars listed in The Nautical Almanac plus Polaris (58) and Sigma Octantis (59). This is a searchable field.

Flamsteed Catalogue Designation

The Flamsteed format is 'NNNbCCC', where NNN is a 1-3 digit number ordered by increasing RA within the constellation abbreviation 'CCC'. This is a searchable field. This information was obtained from the object database at the SIMBAD web site. Examples: '9 Lib', '85 UMa'.

Bayer Catalogue Designation

The Bayer format is 'aaabCCC', where 'aaa' stands for the greek letter abbreviation, (ordered by decreasing brightness), and 'CCC' is the constellation abbreviation. May have component designations included. This is a searchable field. This information was obtained from the object database at the SIMBAD web site. Examples: 'Tet01 Eri', 'Alf02 Lib', 'Eta UMa'.

V (F7.2)

V magnitude - With the exception of Betelgeuse (ALF ORI), the V magnitudes were obtained directly from The Nautical Almanac, 2006. Since Betelgeuse's V magnitude can vary between 0 and 1, it is listed as 0.5 for easier searching. This is a searchable field.