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AAVSO Online Store

Welcome to the AAVSO Store!

    Note: CHOICE courses are discounted for AAVSO members, and some courses are only offered to members. If you are a member, log in to access them. If you are not a member, consider joining.
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    Only purchase this registration if you will NOT be travelling to Boston-Burlington for the meeting. If you plan to attend the meeting in person, complete this meeting registration form.

    Once again, the AAVSO will be offering a full online meeting attendance option. In addition to the Saturday morning membership meeting, which is free to our members, we offer the option of registering for the meeting as an online attendee so you can virtually attend all the paper sessions.

    We will be using a webinar service to broadcast the meeting. Video will consist primarily of the presenter's PowerPoint presentation with occasional webcam shots. Prior to the meeting, you will receive an email containing links for each session. We will also give attendees access to recordings of each session for a limited time after the meeting.

    We are happy to expand the possibilities of meeting attendance to more of our members, observers, and friends.

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    Please note that the Non-member rate includes AAVSO membership for the year 2017. If you are already a member, please log in to register at the member rate.

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    This course will use the first half of the AAVSO Guide to CCD Photometry and will provide motivation and scientific background for doing photometry with a CCD. Topics covered include system testing and basic image calibrations from bias and dark frame subtraction to flat fielding. Students will need their own image processing software, and should have their own CCD/telescope ready to take calibration frames.

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    This course will use the second half of the AAVSO Guide to CCD Photometry and will cover topics including optimal image photometry settings and techniques, transformation, and basic error estimation. We'll also discuss how to plan an observing run to optimize the scientific return of your observations. Part I of this course is not a prerequisite, but is very strongly encouraged for new CCD photometrists. Students will need their own image processing software, and should have their own CCD/telescope ready to take science frames.

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    This course is intended to provide participants with a systematic coverage of VStar's current functionality, an appreciation of the ways in which it can be extended, and how it can be used for variable star data visualization and analysis.

    You’ll learn how to create mean plots, phase plots, and perform simple period analysis. This is not a course on statistics, but relevant statistical concepts as they apply to the use of VStar will be introduced through reading and discussion.

    You must successfully complete exercises and weekly quizzes as well as a final examination to pass the course.

    VStar is written in the Java programming language, requiring at least version 1.7 to run on Windows, Mac OS X, Linux, and OpenSolaris.

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    This course will utilize the updated DSLR photometry manual as its guide. This manual is a basic introduction and guide to using a DSLR camera to make variable star observations. The target audience is first-time beginner to intermediate level DSLR observers, although advanced observers may find the content useful as well.

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    The life of Dr. Dorrit Hoffleit—world-renowned astronomer, expert on variable stars, astrometry, and the history of astronomy—is a story of hardships endured, difficulties surmounted, lessons learned, goals met, and successes attained. She has spent a lifetime at work with some of the greatest astronomers of the 20th century, and has inspired new generations of young astronomers. The American Association of Variable Star Observers is proud to publish this wonderful book. Hardcover 176 pages + xviii, 18 pages of photos, with references, complete bibliography, and a foreword by AAVSO Director, Janet A. Mattei.

    Price includes domestic shipping in the US. For international orders, please email the AAVSO.

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AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484