Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PNV J00420940+4115311

PNV J00420940+4115311   2022 08 09.3036*  00 42 09.40 +41 15 31.1  17.5 C             M31       4 0

2022 08 09.4514

Apparent nova AT 2022qzf https://www.wis-tns.org/object/2022qzf discovered during the follow-up observations of AT 2022qug in M31 remotely using iTelescope.Net T24 (0.61-m f/6.5 reflector + CCD in Sierra Remote Observatory at Auberry, California, USA) with Astrodon Luminance filter. Visible in three 300-sec. images taken on August 9, 2022. Filipp Romanov (amateur astronomer, Russia).

2022 08 09.5465

Discovery image and last non-detection image: https://www.wis-tns.org/system/files/uploaded/general/tns_2022qzf_atrep_154541.jpg (Filipp Romanov)

2022 08 10.5931

Follow-up observation of AT 2022qzf = PNV J00420940+4115311 taken remotely using iTelescope.Net T19 (0.43-m f/6.8 reflector + CCD in New Mexico Skies at Mayhill, New Mexico, USA) with luminance filter: 16.8 G on 2022-08-10 10:22:20. Stacked 8x300 sec. image from photos obtained remotely using iTelescope.Net T19: https://www.wis-tns.org/system/files/uploaded/general/tns_2022qzf_atrep_154620.jpg Filipp Romanov.

2022 08 10.5931

Updated position: 00:42:09.42 +41:15:31.3 (F. D. Romanov)

2022 08 17

Confirmed as nova based on the spectrum obtained at the Palomar 1.5-meter telescope: https://www.wis-tns.org/object/2022qzf/classification-cert The spectrum is available here: https://www.wis-tns.org/object/2022qzf ZTF light curve: https://lasair-ztf.lsst.ac.uk/object/ZTF22aazmooy/ (F. Romanov)