4.7" Sky-Watcher

Object: Abell 7 / PK 215-30.1
Obs. place: NOT, La Palma, Spain (2390m / 7840ft)
Date: 28./29.3.2008
Bortle class: Class 1
NE Lim.mag: 7.5m
Background sky: 1-2
Seeing: 2 (>5")
Transparency: 2
Weather: NW wind 10 m/s, +3°C, humidity ~47%

Minimum aperture: 4"
Visual impressiveness: 4 (poor)

Description: Round, fairly even brightness glow NE from a grouping of 5 magnitude 11-13 stars. Very faint.
Notes: Abell 7 observing log by Steve.
Abell 7 with 4.7" Sky-Watcher @ 76x + O-III