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observing

Discovery of a Nova

Excerpts From AAVSO Newsletter Number 10, January 1993.

Nova Search Section

AAVSO Nova Search Observing Program

For more information on novae searching, please contact Committee Chairperson Kenneth C. Beckmann, kennethbeckmann@yahoo.com.

AAVSO International High Energy Network: Our Successes!

Success!

Detections, near detections, and upper limits of GRB afterglow fields by AAVSO High Energy Network Members

GRB130427A photometry by P. Wiggins

GRB110918A photometry by A. Oksanen, C. Harlingten, B. Schaefer, and M. Templeton

RR Lyrae


RR Lyrae, 1 degree field, DSS I survey plate
(copyright 1993-1995 CalTech/STScI)

Solar Program, Reducing Data and Email Format

Solar Program, Reducing Data and Email Format

Reducing Data Gathered by VLF Monitoring Systems

(Extracted from SID Technical Bulletin Vol. 3, Number 4, Oct. 1992)

SID Monitoring Overview

SID Monitoring Overview
AAVSO SID Program

Rodney Howe, Solar Section chair & SID leader

So, what are we looking for? Here are a couple references of SID events and their influence on the ionosphere:

The Zurich Classification System of Sunspot Groups

The Zurich Classification System of Sunspot Groups

Contributed by Tom Fleming (FLET)

 

"A" Type: One or more tiny spots that do not demonstrate bi-polarity or exhibit penumbra.

sunspota.jpg
 

"B" Type: Two or more tiny spots that demonstrate bi-polarity but do not exhibit penumbra.

sunspotb.jpg

 

 

 

 

Dances with Wolfs: A Short History of Sunspot Indices

Contributed by Carl E. Feehrer (FEEC)

Revised August 2000

Accuracy and Consistency in the Production of the American Sunspot Number (Ra)

Addendum

ACCURACY AND CONSISTENCY IN THE PRODUCTION OF THE AMERICAN SUNSPOT NUMBER (Ra)

Contributed by Carl E. Feehrer (FEEC)

Pages

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