Hemisphere:  Northern  ·  Contains:  Bode's galaxy  ·  Bode's nebulae  ·  Cigar galaxy  ·  M 81  ·  M 82  ·  M81  ·  M82  ·  NGC 3031  ·  NGC 3034
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M 81 and M 82 H-alpha only, 



    
        

            Paul Muskee
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M 81 and M 82 H-alpha only

Imaging telescopes or lenses: William Optics FLT 132 Triplet APO

Imaging cameras: ZWO ASI 1600MM Cooled Pro

Mounts: Mesu Optics Mesu-Mount 200

Guiding telescopes or lenses: William Optics 50/200 GuideScope

Guiding cameras: Starlight Xpress Lodestar Autoguider X2

Focal reducers: Riccardi Reducer 0,75x

Software: Ripley PixInsight 1.8  ·  PHD2 Guiding Software  ·  Photoshop CC  ·  Astro Photography Tool  ·  Cartes du Ciel  ·  SharpCap 3.X Pro  ·  Sidereal Technology SiTechExe

Filters: Astrodon H-Alpha Filter - 3nm - 50mm

Accessory: Starlight Instruments Focus Boss II  ·  Starlight Xpress USB Maxi Filter Wheel 9x  ·  QHYCCD PoleMaster


Dates:Jan. 21, 2019

Frames:Astrodon H-Alpha Filter - 3nm - 50mm: 65x200" (gain: 139.00) -20C bin 1x1

Integration: 3.6 hours

Avg. Moon age: 15.09 days

Avg. Moon phase: 99.88%

Bortle Dark-Sky Scale: 3.00


Astrometry.net job: 2483631

RA center: 9h 55' 31"

DEC center: +69° 17' 11"

Pixel scale: 1.143 arcsec/pixel

Orientation: -123.823 degrees

Field radius: 0.813 degrees


Resolution: 3280x3936

Locations: Lingemeer (backyard @ home), Lienden, Gelderland, Netherlands

Data source: Backyard

Description

First test with Astrodon 3nm Ha filter. Need to find a proper way to combine this data with my LRGB image I recently made but will find it soon.
In any case this filter seems to get allot more detail then my LRGB images, especially from M 82 as hoped! Taken under a full moon.

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Author

pmuskee
Paul Muskee
License: None (All rights reserved)
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M 81 and M 82 H-alpha only, 



    
        

            Paul Muskee