NGC 6826 / Caldwell 15

The raw material was taken during April, May and July 2013.

The pictures consist of raw frames/subs taken with LX200ACF 16" and WO FLT-110 telescopes.

Cameras used were Atik 460ex mono and Canon 60Da.

Exposure time using Baader 1.25" filters:

Ha=42*5min,

OIII=42*5min,

Lum=28*5sec+16*60sec,

Red=66*30sec+35*2sec,

Green=72*30sec+17*2sec,

Blue=69*30sec+16*2sec.

using 16" and 460ex.

Exposure time: 57*5min using FLT-110 and Canon 60Da.

The pictures shown are composite pictures made of above mentioned narrowband/color stacks.

The halo around NGC 6826 consist of Ha and OIII information.