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

NGC 5248 -- Spiral Galaxy

Object

Type

Spiral Galaxy

Constellation

Bootes

Distance

59M light years

Magnitude

11.0

Size

6.2 x 4.5 arc-min

Notes

Also known as Caldwell 45

Image

Date

2025-06-21

Place

Bixhoma Observatoty (H33)

Exposure Data

CRGB 70:30:33:34 mins @ -5C

C 70x1, R 30x1, G 33x1, B 34x1 min

Notes

RGB filters binned 2x2

Equipment

Optics

Meade 12" RCX-400

Focal Length

2438 mm @f/8

Mount

RCX-400 on Milburn wedge

Camera

SBIG ST-10XME w/AO7

Filters

CFW-10, Astrodon CRGB

Focuser

JMI Focuser with RoboFocus

Rotator

OPTEC 3" Pyxis Rotator

Software

TheSkyX, FocusMax5, CCDAutopilot5, CCDStack, PixInsight, PhotoShop CS6