Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's galaxy  ·  Bode's nebulae  ·  Cigar galaxy  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
Getting plate-solving status, please wait...
M 81 and M 82 H-alpha only, 



    
        

            Paul Muskee
Powered byPixInsight

M 81 and M 82 H-alpha only

Getting plate-solving status, please wait...
M 81 and M 82 H-alpha only, 



    
        

            Paul Muskee
Powered byPixInsight

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
Filters
Astrodon H-Alpha Filter - 3nm - 50mm
Accessories
Starlight Instruments Focus Boss II · Starlight Xpress USB Maxi Filter Wheel 9x · QHYCCD PoleMaster · 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
Guiding Telescopes Or Lenses
William Optics 50/200 GuideScope
Guiding Cameras
Starlight Xpress Lodestar Autoguider X2

Acquisition details

Dates:
Jan. 21, 2019
Frames:
Astrodon H-Alpha Filter - 3nm - 50mm: 65x200" (3h 36' 40") (gain: 139.00) -20C bin 1x1
Integration:
3h 36' 40"
Avg. Moon age:
15.09 days
Avg. Moon phase:
99.88%
Bortle Dark-Sky Scale:
3.00

RA center: 09h55m31s.30

DEC center: +69°1711.4

Pixel scale: 1.143 arcsec/pixel

Orientation: -123.823 degrees

Field radius: 0.813 degrees

More info:Open 

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.

Comments

Sky plot

Sky plot

Histogram

M 81 and M 82 H-alpha only, 



    
        

            Paul Muskee