Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 106  ·  NGC 4248  ·  NGC 4258
Messier 106, 



    
        

            ADBjester
Messier 106
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Messier 106

Messier 106, 



    
        

            ADBjester
Messier 106
Powered byPixInsight

Messier 106

Technical card

Imaging telescopes or lenses: PlaneWave Instruments CDK 17"

Imaging cameras: STL-11000M

Mounts: Paramount ME

Filters: AstroDon Tru-Balance E-Series Blue  ·  AstroDon Tru-Balance E-Series Green  ·  AstroDon Tru-Balance E-Series Red  ·  AstroDon Tru-Balance E-Series Luminance


Dates:Sept. 12, 2013

Frames:
AstroDon Tru-Balance E-Series Blue: 3x300" (15') -35C bin 2x2
AstroDon Tru-Balance E-Series Green: 3x300" (15') -35C bin 2x2
AstroDon Tru-Balance E-Series Luminance: 54x600" (9h) -35C bin 1x1
AstroDon Tru-Balance E-Series Red: 3x300" (15') -35C bin 2x2

Integration: 9h 45'

Avg. Moon age: 7.17 days

Avg. Moon phase: 47.69%

Bortle Dark-Sky Scale: 3.00


Basic astrometry details

Astrometry.net job: 111904

RA center: 12h18m57s

DEC center: +47°1818

Pixel scale: 0.633 arcsec/pixel

Orientation: 92.482 degrees

Field radius: 0.394 degrees


Resolution: 3706x2530

Locations: iTelescope.Net - Spain, Nerpio, Spain

Description

Messier 106 is a spiral galaxy in Caned Venatici about 23 million light years distant.

This image is an experimental proof in luminance trumps chrominance. The outer spiral arms of M106 are often difficult to acquire, so this image is very deep on luminance -- 54 frames of 600 seconds each, or 7 hours deep.

By comparison, there is only 15 minutes of color present in each color channel. 300 x 3 in each of RGB, binned 2x2. This hopefully goes to show that luminance is far, far more important to a decent image than the color frames.

Do I wish I had a couple more color frames each channel? Certainly. I could have reduced color noise a bit more. Am I happy with the final outcome? Well, you tell me -- zoom into the full sized image and go galaxy hunting, and let me know how many galaxies you can identify in the background.

Comments

Sky plot

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Histogram

Messier 106, 



    
        

            ADBjester