M57

Ring Nebula

M57

Click to display the full resolution

Object Info

Type

Planetary Nebula

Constellation

Lyra

Distance

2,300 ly

Capture Details

Date

July 2, 2011

Location

Palomar Mountain, CA

Exposure

R 3x5, G 3x5, B 3x5 (bin 1x1)

Equipment

Optics

Celestron C11 Carbon Fiber SCT w/XLT

Focal Length

1700mm @f/6

Mount

Astro-Physics 900GTO

Camera

SBIG ST-10XME

Focuser

Robo-Focus

Filters

CFW10A, Astrodon RGB

Software

Maxim DL, CCDStack, Photoshop