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

NGC 5557 -- Elliptical Galaxy

Object

Type

Elliptical Galaxy

Constellation

Bootes

Distance

127M light-years

Magnitude

12.2

Size

2.4 x 2.2 arc-min

Notes

NGC 5544 and NGC 5545 are located in the lower left of the image

NGC 5544 is the face-on barred spiral galaxy

NGC 5545 is the nearly edge-on spiral galaxy

Image

Date

2009-05-23

Place

Tall Grass Preserve

Exposure Data

C 8 mins @ -10C

Clear 8x1 min

Notes

All filters binned 2x2

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, FocusMax, CCDAutopilot4, PixInsight, PhotoShop CS6

Reprocessed on 08/05/2023