AAVSO Alert Notice 745: Nova in Hercules: N Her 2021 = TCP J18573095+1653396 = ZTF19aasfsjq [V1674 Her]

Active Dates: June 12, 2021 – June 14, 2021


Abstract:

Nova in Hercules: N Her 2021 = TCP J18573095+1653396 = ZTF19aasfsjq. Discovered by Seiji Ueda in Kushiro, Hokkaido, Japan, with a discovery magnitude of 8.4 on June 12, 2021.

Justification:

Please observe N Her 2021 as it continues to evolve, with observations of all types (visual, CCD, DSLR, PEP, spectroscopy) and multiple bands as instrumentation permits. Observations at a frequency of a minimum of one observation per night per band are recommended. For spectroscopy, spectra in blue to observe He II 4686, H-beta, and the Bowen blend (4640A), in addition to H-alpha, with a cadence of one spectrum per clear night, are recommended.

Requested Data Types:

Photometry, Spectroscopy



Targets
Name Magnitude Variability Type Photometry Notes Spectroscopy Notes
NSV 20218 10.70 SR

Cadence: Not Specified

Precision: 100

Cadence: Not Specified

Resolution: 250

Desired SNR: 100


Spectroscopy Lines:

No spectroscopy lines provided

Photometry Filters:

No photometry filters provided

Comparison Stars:

No comparison stars provided


Co-Authorship

Observers are not eligible for co-authorship.

Additional Observer Input:

Not provided

Additional Submission Location:

Not provided


Forum URL

N/A


Notes:

Principal Investigator: Dr. Fred Walter; Imported Campaign (Alert Notice #745)