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JAAVSO Volume 44 Number 1 June 2016 is published

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http://www.aavso.org/apps/jaavso/volumes/

The printed version of this issue will be available soon. Please watch for the announcement on our main web page.

The Journal of the American Association of Variable Star Observers
Volume 44, Number 1, 2016

Table of contents

Solar Bulletin - Volume 72, Number 05

The May Solar Bulletin is now available. Please visit the Solar Bulletin web page to download your copy: https://www.aavso.org/solar-bulletin

The May SID Data report is available here: https://www.aavso.org/sid-database

Alert Notice 544: Nova Scorpii 2016 = PNV J17381927-3725077

June 13, 2016

Event: Nova in Scorpius

Discovered by: Hideo Nishimura (Kakegawa, Shizuoka-ken, Japan) (reported by S. Nakano, Sumoto, Japan, via CBET 4285)

Discovery magnitude: 12.4 unfiltered CCD on three 10-s CCD frames, using a 200-mm-f.l. f/3.2 lens with a Canon EOS 5D digital camera

Discovery date: 2016 June 10.629 UT
 
Coordinates (2000.0): R.A. 17 38 19.31  Dec. -37 25 08.7   (from VSX)

Special Notice #417: CH Cygni B and V photometry urgently requested

June 3, 2016: Dr. Margarita Karovska (Harvard-Smithosonian Center for Astrophysics) is urgently requesting B and V photometry of the symbiotic variable CH Cyg from now until at least the end of August. Observations made twice a week are sufficient; time series observations are not needed. Spectroscopy would also be very welcome and appreciated.

Solar Bulletin - Volume 72, Number 04

The April Solar Bulletin is now available. Please visit the Solar Bulletin web page to download your copy: https://www.aavso.org/solar-bulletin

Manual for Visual Observing of Variable Stars in Polish

Thanks to a lot of hard work by Ariel Majcher, Bogdan Kubiak, Marcin Biskupski, Michał Kwieciak, and Piotr Guzik, the AAVSO Manual for Visual Observing of Variable Stars (2013 edition) is now available in Polish. You may download this Manual (free-of-charge) from here.

2016 Annual Campaign: Providing Certainty in Uncertain Times

We live in exciting, unpredictable times. The boundaries of our knowledge are expanding at an accelerating rate, just like the universe we live in. It is impossible to know what the world will look like even five years from now.

AAVSO Newsletter 68, April 2016, is published

AAVSO Newsletter 68, April 2016 is now available to members

The AAVSO Newsletter is a periodic, general forum that supports our various observing programs with lists of new targets, observing programming ideas, and general information that spans a wide area of interest. Guest writers contribute pieces that can range from current events to book reviews.

Pages

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