Skip to main content

front page news

All nodes that have this tag will posted to the home page "Recent Activity" block

Solar Bulletin - Volume 75, Number 1

The  January 2019 Solar Bulletin is now available. Please visit the Solar Bulletin web page to download your copy: https://www.aavso.org/solar-bulletin

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

Annual Report for 2017-2018 online

The AAVSO Annual Report for 2017-2018 has been published and is online. Both a high-resolution and a low-resolution version are available at https://www.aavso.org/annual-report.

Alert Notice 661: Correction to AAVSO Alert Notice 659 on KQ Mon

January 28, 2019: AAVSO Alert Notice 659 announced that the nova-like variable KQ Mon will be observed with Chandra on 2019 January 29-30 UT. The exact time interval given was incorrect.

KQ Mon will be observed with Chandra on

2019 January 29 20:18 UT - January 30 00:28 UT.

A snapshot every one to two nights is requested between now and February 9. V filter is optimal. Visual observations are welcome. The visual range of KQ Mon is 12.5-13.7.

Alert Notice 659: KQ Mon being observed with Chandra

Note: The time of the Chandra observation was incorrect in the original version of this Alert Notice. The text below has been edited so that the time is correct. This correction was announced in AAVSO Alert Notice 661. - Elizabeth Waagen

Solar Bulletin - Volume 74, Number 12

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

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

JAAVSO volume 46, number 2, December 2018, print version now available

eJAAVSO

The Journal of the American Association of Variable Star Observers
Volume 46, Number 2, 2018

The printed version of this issue is now available from Amazon via the link below.

Volume 46, Number 2, 2018

Solar Bulletin - Volume 74, Number 11

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

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

JAAVSO Volume 46 Number 2, 2018 is published

eJAAVSO

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 46, Number 2, 2018

Articles in This Issue

Alert Notice 658: EC 21178-5417 being observed with Chandra

December 3, 2018: Further to AAVSO Alert Notice 652, Dr. Koji Mukai (NASA-Greenbelt Space Flight Center) informs us that EC 21178-5417, one of the novalike variables in his target list, will be observed with Chandra on 2018 December 5 20:18 UT - December 6 01:00 UT.

Pages

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