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

M54 -- Globular Cluster

Object

Type

Globular Cluster

Constellation

Sagittarius

Distance

87.4k light years

Magnitude

7.6

Size

12 arc-min

Image

Date

2012-09-10 (OTSP), 2014-05-31 (TSP)

Place

Okie-Tex Star Party (OTSP), Texas Star Party (TSP)

Exposure Data

RGB 90:90:90 mins @ -10C

R 18x5, G 18x5, B 18x5

Notes

All filters binned 1x1, Created pseudo Lum from RGB data

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

TheSkyX, CCDSoft, CCDAutopilot5, CCDStack 2+, PixInsight, PhotoShop CS6

Reprocessed on 06/24/2023