Spirits In The Material World

It looks like a ghost materializing, but I'm pretty sure it was a sun flare on the lens. Taken near Makanda, Illinois, at Giant City State Park. This was part of the Devil's Tablestand Trail.

Camera: Zenit ET (Made in Russia in 1984)
Lens: Auto Sears 50mm F/1.7 (Made in Japan)
Film: Imago 320 B&W
Shooting Program: Manual (of course!)
Aperture: f/8
Shutter Speed: 1/60 sec.
Date: October 1st, 2021, 4.24 p.m.
Location: Makanda, Illinois, U.S.A.

Developing chemicals:
2 minute presoak
Adox Adonal 1+50 (500ml water, 2 tsp. Adox Adonal) for 13 minutes at 20°C/68.0°F
15 second initial agitation, then 2 second gentle (wine glass swirl) agitation each 30 seconds
1 minute water rinse
Ilford lfostop for 1 minute
1 minute water rinse
Kodak Kodafix Fixer for 9 minutes, then 2 second gentle (wine glass swirl) agitation each minute
1 minute water rinse
3 drops Photo-Flo final rinse for 1 minute

Zenit-1 Imago 320 ICCD2021 08hf