Basic object information
Object name: Hickson 88 (NGC 6976, -77, -78, -75
Object type: Compact galaxy cluster
Magnitude: 14.0, 13.3, 13.3, 14.8

Catalog information
RA (J2000.0): 20h 52m 36.0s
Dec (J2000.0): -5° 43' 00"
Constellation: Aquarius

Observer: Iiro Sairanen
Obs. place: Tähtikallio, Artjärvi, Finland
Date/Time: 20/21.9.2009 23:05

Telescope: Astrofox (Newton) 910/3640 mm

Magn: 280x
Field: 15'
Background sky: 2 (21.35)Visuality: II

Filter:
NE Lim.mag: 6.7
Seeing: 3
Height: 22°

Weather: +10°C

All four galaxies are included in NGC-catalog so they're quite bright. NGC 6976 (14.0 mag), NGC 6977 (13.3 mag) and NGC 6978 (13.3 mag) lie in the same line and even sorted by apparent sizes. NGC 6978 is elongated in NW-SE direction whereas NGC 6976 and -77 are nearly round.  Instead NGC 6975 is more like a short needle.