visual observers

Visual Observing Manual in Persian

The Manual for Visual Observing of Variable Stars is now available in Persian (Farsi).

This translation would not have been possible without the hard work and dedication of volunteers Fatemeh Bahrani and her colleagues, Ali Honarmand, Fateme Kayanikhoo, Mozhde Mohamadi, Sajad Safari, and Arezoo Saleki of the Dr. Hesabi Institute in Shiraz, Iran (

Visual Observing Manual in Hungarian

Thanks to the hard work, dedication, and persistence(!) of AAVSO member/observer Péter Molnár and Dr. László Kiss, the January 2010 edition of the "Manual for Visual Observing of Variable Stars" is now available in Hungarian.

If you know of anyone who may benefit from this translation, please spread the word!

New Visual Observing Manual in Chinese

Thanks to the efforts of Cheng Simiao, a young and very enthusiastic observer from Beijing, we now have a new, more up-to-date Chinese version of the "Manual for Visual Observing of Variable Stars" available for download. He wishes that this edition be thought of as a 100th birthday present to the AAVSO as well as an 18th birthday gift to himself.

Congratulations and many thanks to Mr. Cheng!

AAVSO Visual File Format

Version: 1.0
Release Date: January 15, 2008

This is one of two plain text (ASCII) formats that the AAVSO accepts for variable star observations. Observations in this format may be submitted using the WebObs File Upload Tool. The other format is intended for CCD, DSLR, PEP, and VISDIG (visual observations made from digital images) observers and is called the AAVSO Extended File Format.