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Contains:  M 106, NGC 4258, NGC 4248
Getting plate-solving status, please wait...

Messier 106 - HaLRGB from the UK

Technical card

Resolution: 3543x2814

Dates:April 23, 2018

Astrodon Tru-Balance LRGB E-Series Gen 2 Blue: 13x600" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Green: 12x600" bin 1x1
Astrodon Ha 3nm: 8x1200" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Luminance: 37x600" bin 1x1
Astrodon Tru-Balance LRGB E-Series Gen 2 Red: 13x600" bin 1x1

Integration: 15.2 hours

Avg. Moon age: 8.02 days

Avg. Moon phase: 56.75% job: 2532456

RA center: 184.738 degrees

DEC center: 47.310 degrees

Pixel scale: 0.698 arcsec/pixel

Orientation: 89.408 degrees

Field radius: 0.439 degrees

Locations: Home Observatory, Doncaster, Nottinghamshire, United Kingdom


Messier 106 is a barred galaxy that is approximately 24 million light years distant in the constellation of Canes Venatici.

This was imaged from my home observatory in the UK between 15 February and 23 April 2018. Despite devoting over two months to the object, the usual weather meant that I got considerably less data than I had hoped for, especially in the Ha. Nevertheless, I decided it was time to move on. I may return at some point in the future.

So, for the time being, this is:

Lum: 37 x 600s
Red: 13 x 600s
Green: 12 x 600s
Blue: 13 x 600s
Ha: 8 x 1200s

A total of 15.2 hours exposure.



Steve Milne
License: None (All rights reserved)



Stars, stars, stars


I reworked the Ha considerably to try to get a bit more 'finesse' to the jets.


New revision as per comments in discussion....

Sky plot

Sky plot


Messier 106 - HaLRGB from the UK, 


            Steve Milne

In these public groups

UK Astro-Imaging
The refractors!