All Images Copyright Rod Gallagher                                      Click on image to see full size

NGC 6822 -- Barnard's Galaxy

Object

Type

Barred Irregular Galaxy

Constellation

Sagittarius

Distance

1.63M light years

Magnitude

9.3

Size

15.5 x 13.5 arc-min

Notes

Also known as Caldwell 57

Image

Date

2007-08-10

Place

RMCC Observatory (Mounds)

Exposure Data

LRGB 30:15:15:15 mins @ -5C

Lum 6x5, Red 3x5, Green 3x5, Blue 3x5 min

Notes

RGB filters binned 2x2

Equipment

Optics

Takahashi TOA-150

Focal Length

1100 mm @f/7.3

Mount

Takahashi NJP

Camera

SBIG ST-10XME

Focuser

RoboFocus

Filters

CFW-10, Astrodon LRGB

Software

TheSky6, CCDSoft, CCDAutopilot3, CCDStack 2+, PixInsight, PhotoShop CS6

Reprocessed on 01/17/2023