See also: Observation 2.
Object: Gaseous nebula NGC 6857                 Constell: CYG

RA: 20h 01.8m           Decl: +33° 32'          Epoch: 2000
Mag: 11.4m (p) (NGC)    Size: 38'' (NGC),4' (Sh)Type: 3 2 3
                                                      (Sh2-)   

Observer: Jere Kahanpää
Obs. place: Helsinki, Finland
Date/Time: 19./20.9.1996, 23.15

Telescope: C 200/2000
Magn: 160x              Filter: O-III
Field: 19'              NE Lim.mag: 5.5m
Background sky: 3       Seeing: 2 
Weather: +6 °C, no Moon. Large areas of the sky covered with
clouds. 

Brightness: 4, 5 w/o f. Alt: 55°
Description: Very faint without a filter but easy if not bright
with O-III. Surrounds a mag. 12 star. There is another slightly
fainter star within it. Extends a bit more towards N to a
diameter of 2'. Quite concentrated near the star = NGC 6857. The
fainter nebulosity is the brightest region os Sh2-100. A few
stars were added to the drawing w/o filters. 

This object is NOT a planetary nebula though many older
catalogues list it as one.