Basic object information
Object name: NGC 6905
Popular name: Blue Flash Nebula
Object type: Planetary nebula
Magnitude: 11.1
Size: 1.2'
Magnitude of central star: 14.0
Object classification: 3(3)
Description: B,pS,R,4S* nr
Notes: Blue Flash Nebula

Catalog information
RA (J2000.0): 20h 22m 24.0s
Dec (J2000.0): +20 06' 00"

Constellation: Delphinus


Observer: Iiro Sairanen
Obs. place: Ania, Pirkkala, Finland
Date/Time: 7/8.10.2008 23:45

Telescope: Newton 300/1500 mm

Magn: 428x

Filter:

Field: -'

NE Lim.mag: 6.6

Background sky: 2 (21.0)

Seeing: 2

Visuality: I

Height: 37


Weather: +3C

Blue Flash Nebula. Like M27 but much smaller. Nicely surrounded by stars.