TCP J20210770+2914093: possible nova (mag. 12) in Vulpecula

Association Francaise des Observateurs d'Etoiles Variables (AFOEV)
Fri, 07/16/2021 - 17:38

TCP J20210770+2914093  (N:)

Gaia EDR3 position: 20 21 07.70 +29 14 09.1 (J2000.0)
Discovered by Koichi Itagaki, for details see
A CCD image by Seiichiro Kiyota is available at is available at

Spectroscopy and multiband photometry (V, B, ...) are required.

Clear skies,


American Association of Variable Star Observers (AAVSO)
New Sequence Uploaded


A new sequence has been generated and uploaded to support observations.

Chuck (CCHD)

American Association of Variable Star Observers (AAVSO)
Observations of TCP J20210770+2914093 = Nova Vul 2021

It's getting brighter.

My follow-up observations remotely using 0.355-m f/6.2 Schmidt-Cassegrain telescope of Abbey Ridge Observatory (Canada):

2021 07 24.20152  12.101 V  +/- 0.007

2021 07 24.20234  12.728 B  +/- 0.025

2021 07 24.20318  11.443 R  +/- 0.004

2021 07 24.20401  10.842 I  +/- 0.006

American Association of Variable Star Observers (AAVSO)
N Vul 2021 - Alert Notice 749

AAVSO Alert Notice 749 reports on N Vul 2021 (= TCP J20210770+2914093), which was discovered at unfiltered CCD magnitude 12.0 and began fading, but which has been brightening recently and is continuing to do so. Please see the notice for details, including a light curve from the AAVSO International Database, and observing instructions.

There are threads for this object under the following forums:

- Time Sensitive Alerts:
- Novae:

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