AT2022sfe: likely highly reddened nova

Moriyama-san has pointed out the red color.

YYYYMMDD(UT) mag observer 20220827.5919 15.53C (Masayuki Moriyama)

20220828.6528 15.34C (Masayuki Moriyama) 20220828.6559 14.99Rc (Masayuki Moriyama) 20220828.6576 13.51Ic (Masayuki Moriyama) 20220828.6593 <16.39B (Masayuki Moriyama) 20220828.6638 16.92:V (Masayuki Moriyama)

See: https://www.wis-tns.org/object/2022sfe

The object is located very close to the northern component of a close pair in the PS1 image.

The Gaia object appears to be the southern component of the pair.

200029.264 +345308.30 (2000.0) Gaia_EDR3_2059315910815578496 plx=-(-) dismod=- pmra=-(-) pmdec=-(-) G=21.008 BP=21.178 RP=19.371

The outbursting object may not be related to them.