The Unparalleled Beauty of the Night Sky ... Up Close
Ring Nebula
M57 | Messier 57 | NGC 6720
This distinctive planetary nebula is expanding about 1 arcsecond per century, suggesting it was ejected from its mag 15 central star about 400 AD. To its upper right is the mag 14 galaxy IC-1296.


Viewing at 98%

All Images of Ring Nebula
12 Jul 2015
11 Sep 2010
18 Sep 2009
28 Jun 2009
19 Jun 2004
Details:
Night of:Sunday July 12, 2015
Site:Laguna Niguel
Local Time:11:00 PM | Jul 12, 2015
Altitude:70
RA:18h 53m 35s
Declination:+33d 01' 45"
Distance:2,300 light years
Magnitude:+8.8 mV
Size:1.5' x 1.0'
Camera Settings:
Telescope:9.25-SCT
Camera:Celestron NightScape 8300
f/ratio:f6.3
Pixel Scale:0.83 arcsec
Image Size:809 x 617 pixels (0.5 MP)
11.2' x 8.5'
Exposure:15 sec
Stacked Frames:14
Shot Info:unbinned
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