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Alert Notice 686: B-band photometry of TYC 2597-735-1 urgently needed

November 19, 2019

AAVSO Forum thread (scroll to the bottom of a thread for latest posts):
- Campaigns and Observation Reports:
https://www.aavso.org/tyc-2597-735-1-campaign-2019

Dr. Keri Hoadley (California Institute of Technology) requests AAVSO observers' assistance in obtaining B-band images of the star TYC 2597-735-1 over the next few weeks. This campaign needs to be accomplished before the target becomes unobservable in the West.

AAVSO Alert Notice 685: EM Cyg monitoring requested

November 8, 2019

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
 - Campaigns and Observation Reports: https://www.aavso.org/em-cyg-campaign-2019
 - Cataclysmic Variables: https://www.aavso.org/em-cyg-campaign-2019-01

Alert Notice 684: Photometry requested for campaign on V1491 Cyg

November 1, 2019

AAVSO Forum threads (scroll to the bottom of a thread for latest posts):
 - Campaigns and Observing Reports: https://www.aavso.org/v1491-cyg-campaign-2019
 - Young Stellar Objects: https://www.aavso.org/v1491-cyg-campaign-2019-01
 

Dr. Dirk Froebrich (University of Kent) has requested AAVSO observations to support their upcoming observations of V1491 Cyg. He writes:

AAVSO Contributors Honored

AAVSO presented awards to their recipients at the 108th Annual Meeting

 

LAS CRUCES, N.M. (October 24, 2019)—At the 108th American Association of Variable Star Observers (AAVSO) Annual Meeting, four people were honored for their contributions to the organization and pursuit of its mission at the banquet held on Sunday night.

Increase Astronomical Discoveries by Storing Your Spectroscopic Observations with AVSpec

A new database created by AAVSO enables amateur to experienced observers to record data from any variable object in the sky

Solar Bulletin - Volume 75, Number 9

The September Solar Bulletin is now available. Please visit the Solar Bulletin web page to download your copy.

The September SID Data report is available here.

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