To upload a CSV file, click on the "Upload CSV table" button and select your file. It must contain at least 2 fields:

• ra : right ascension of the source in decimal degrees
• dec : declination of the source in decimal degrees

Your file can contain additional fields:

• label : the label which will be displayed next to the source position

Lines starting with # will be ignored.

You can download the following example files: Messier objects minimal (positions only), Messier objects with labels.

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