Type |
Location |
r.a. |
dec. |
Size |
Magnitude |
Distance |
Planetary Nebula |
Del |
20h22.4 |
+20°07' |
46" |
12 |
4,700 ly |
NGC 6905, also known as "the blue flash", is a planetary nebula
in constellation Delphinus, at a distance of about 4,700 light-years.
The central star magnitude is 14.

Object detail:

Date |
Telescope |
Binning |
Exp Time (s) |
Special processing |
Notes |
Jul 2, 2006 |
Centurion
18" |
L 1:1
RGB 3:1 |
L 4x300
RGB 300 |
Virtual
Pixel, LRGB, Max Entropy, DDP |
Image sampling =
main - .7" / pixel
detail - .35"/pixel |
|