Hickson 17

 

Hickson 17, galaxy group, Cetus. All members in PGC. 2021-11-05. Cherry Springs, transp. 8/10, seeing 0.5-1 arcsec, sky 21.3-21.5 mag/arcsec2. Telescope: D = 508 mm, F/4. Oculars: 8 mm (250x). Component A and two unequal stars visible NW of a brighter field star. B vaguely glimpsed. At 360x, the group appears overmagnified.

Hickson 15

 

Hickson 15, galaxy group, Cetus. Members A-D in UGC, E and F in MCG. 2021-11-05, Cherry Springs, transp. 8/10, seeing 0.5-1 arcsec, sky 21.3-21.5 mag/arcsec2. Telescope: D = 508 mm, F/4. Ocular: 8 mm (250x). A, B, C, D fairly bright, compact. E fainter. F at the threshold, in a tight group with D and a star.

Hickson 14

 

Hickson 14, galaxy group, Cetus. All members in MCG. 2021-11-05, Cherry Springs, transp. 8/10, seeing 0.5-1 arcsec, sky 21.3-21.5 mag/arcsec2. Telescope: D = 508 mm, F/4. Ocular: 8 mm (250x). Component A elongated, B slightly elongated, C small, D small, very faint, diffuse.