Hemisphere:  Northern  ·  Contains:  NGC 2403  ·  NGC2403  ·  NGC2404
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NGC 2403 Luminance, 


            Paul Muskee
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NGC 2403 Luminance

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  ·  Seqence Generator Pro  ·  AstroPixelProcessor  ·  Bahtinov Grabber  ·  Cartes du Ciel  ·  Sidereal Technology SiTechExe

Filters: Baader L Filter - 50mm

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

Dates:Feb. 24, 2019

Frames:Baader L Filter - 50mm: 279x60" (gain: 1.00) -20C bin 1x1

Integration: 4.7 hours

Avg. Moon age: 20.16 days

Avg. Moon phase: 70.50%

Bortle Dark-Sky Scale: 3.00

Astrometry.net job: 2541952

RA center: 7h 36' 35"

DEC center: +65° 36' 30"

Pixel scale: 1.142 arcsec/pixel

Orientation: 144.956 degrees

Field radius: 0.933 degrees

Resolution: 4546x3742

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

Data source: Backyard


I upgraded my configuration again last weeks and moved everything over to Sequence Generator Pro. Already collected quite some data with it but no time for processing everything yet :-).

Here is NGC 2403 in Luminance only quickly done with AstroPixelProcessor and cleaned up with Photoshop.

Working with SGP is a joy, got everything running correctly including auto focusing which is fully active from now on. This will bring much more healthy nights back into my life :P. And hopefully increase the quality from my images...

I do have some banding up and down because of the very high dithering I am doing, sometimes the objects gets out of the middle quite far after many hours of exposures... Need to start using flats and/or tune my dithering...

Hopefully I can collect the RGB and Ha data anytime soon to complete this work.



Paul Muskee
License: None (All rights reserved)

Sky plot

Sky plot


NGC 2403 Luminance, 


            Paul Muskee