Abell 33 (PN, Hya). Aperture 20", F/4. Ocular 13 mm, OIII filter. Cherry Springs, April 2, 2021. Transp. 9/10, seeing 2 arcsec, SQM 21.88. Large, somewhat mottled annulus, W side brighter. Greenish. Bright star on SW edge, close star pair on NW edge, fainter star close to the pair's NE, faint star on E edge.
PANSTARRS zg
