IAPPPInternational Amateur-Professional Photoelectric Photometry (aka International Amateur/Professional Photoelectric Photometry)
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The IAPPP is a nonprofit organization based at Vanderbilt University's Dyer Observatory in Brentwood, Tennessee.
The IAPPP attracts people with a variety of interests.
With this challenge in mind, in 1981 the IAPPP began hosting its annual Western U.
However, I couldn't have done it without the base of knowledge that organizations such as the IAPPP were willing to share with me.