NGC6888_BICOLOR

This is a picture of NGC6888, also known as the Crescent Nebula. It is an emission nebula about 5,000 light years away in the constellation Cygnus. This picture was taken with two narrowband filters; HA, which is the red, and OIII, which is blue.

October 8 - December 31, 2013
Location: Rancho Hidalgo, NM
Telescope: TEC-140 (F7)
Camera: SBIG ST-8300M
Mount: AP900 GTO
HA: 17x30 minutes (binned 1x1)
OIII: 31x30 minutes (binned 1x1)