Hemisphere:  Northern  ·  Contains:  Bode's nebulae  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
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M81 and M82 HaLRGB with IFN, 



    
        

            Phil Brewer
M81 and M82 HaLRGB with IFN
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M81 and M82 HaLRGB with IFN

Imaging telescopes or lenses: Teleskop-Service ONTC 8" f/4 Newton

Imaging cameras: QSI 683wsg-8

Mounts: Orion Atlas AZ/EQ Pro

Guiding telescopes or lenses: Teleskop-Service ONTC 8" f/4 Newton

Guiding cameras: QHYCCD QHY5L-II mono

Focal reducers: GPU Optics f4 Aplanatic Coma Corrector

Software: Seqence Generator Pro  ·  PixInsight

Filters: Astrodon 3nm Ha  ·  Astrodon E-series Luminance  ·  Astrodon E-Series Green filter  ·  Astrodon E-Series Blue filter  ·  Astrodon E-Series Red filter

Accessory: QHYCCD PoleMaster  ·  MoonLite Crayford 2.5"


Dates:Jan. 8, 2020Feb. 14, 2020Feb. 17, 2020Feb. 19, 2020Feb. 20, 2020

Frames:
Astrodon 3nm Ha: 30x900" -16C bin 1x1
Astrodon E-Series Blue filter: 69x300" -15C bin 1x1
Astrodon E-Series Green filter: 69x300" -15C
Astrodon E-Series Red filter: 70x300" -15C bin 1x1
Astrodon E-series Luminance: 244x300" -15C bin 1x1

Integration: 45.2 hours

Avg. Moon age: 21.80 days

Avg. Moon phase: 43.63%


Astrometry.net job: 3266772

RA center: 9h 55' 40"

DEC center: +69° 20' 9"

Pixel scale: 1.392 arcsec/pixel

Orientation: 268.388 degrees

Field radius: 0.773 degrees


Resolution: 3204x2388

Locations: Home Backyard, Ida, Michigan, United States

Data source: Backyard

Description

My second try and M81 and M82. This version far surpasses my old version and is about as good as I could hope to have. A slate of clear nights and good placing in the sky allowed me to really accumulate integration time. This image takes the lead as my largest integration time so far.

Comments

Author

pbkoden
Phil Brewer
License: Attribution-NonCommercial Creative Commons
2739
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Revisions

  • M81 and M82 HaLRGB with IFN, 



    
        

            Phil Brewer
    Original
  • Final
    M81 and M82 HaLRGB with IFN, 



    
        

            Phil Brewer
    B

B

Description: Once uploaded I caught some background color mottling that needed addressed.

Sky plot

Sky plot

Histogram

M81 and M82 HaLRGB with IFN, 



    
        

            Phil Brewer

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