Another bright nova has appeared, this time in Hercules. Per an email from Patrick Schmeer, Seiji Ueda detected the star at mag 8.4 on 2021 June 12.537 at mag. 8.4. Further reports indicate that it was still brightening, and is now approaching naked-eye visibility at mag 6.0. The object, TCP J18573095+1653396 (= ZTF19aasfsjq) has been submitted to VSX. Please submit visual and photometric measurements to the AAVSO international database using this name. A few visual or photometric observations per night are useful during the rise and initial fall from maximum.
AAVSO Alert Notice 745 reports on the very fast nova N Her 2021. Please see the notice for details and observing instructions.
There are threads for this object under the following forums:
- Novae: https://www.aavso.org/https://www.aavso.org/tcp-j185730951653396-bright-probable-nova-mag-64-hercules
- Cataclysmic Variables: https://www.aavso.org/bright-nova-hercules-tcp-j185730951653396
- Time Sensitive Alerts: https://www.aavso.org/tcp-j185730951653396-bright-probable-nova-mag-64-hercules (goes to thread in Novae forum)
Please subscribe to these threads if you are observing this nova so you can be updated as to its behavior and any observing campaigns on it. Join in the discussion or ask questions there!
Many thanks, and Good observing,
Elizabeth O. Waagen, AAVSO HQ
This might be interesting https://www.astronomerstelegram.org/?read=14720
"An 8.4 min period in the archival ZTF light curve of Nova Herculis 2021"