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

M28 -- Globular Cluster

Object

Type

Globular Cluster

Constellation

Sagittarius

Distance

18.3k light years

Magnitude

6.8

Size

11.2 arc-min

Image

Date

2014-05-29

Place

Texas Star Party

Exposure Data

RGB 30:30:30 mins @ -10C

R 6x5, G 6x5, B 6x5

Notes

R, G, B filters binned 1x1, Created Lum layer using RGB

Equipment

Optics

Takahashi TOA-150

Focal Length

1100 mm @f/7.3

Mount

Paramount ME

Camera

SBIG ST-10XME

Focuser

RoboFocus

Filters

CFW-10, AstroDon CRGB

Software

TheSky6, CCDSoft, CCDAutopilot4, CCDStack2+, PixInsight, PhotoShop CS6

Reprocessed on 06/17/2023