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Contains:  PK016-01.1
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Two rarely-imaged planetary nebulae: PN G016.3-02.3 and M1-46 in Scutum, 



    
        

            Peter Goodhew
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Two rarely-imaged planetary nebulae: PN G016.3-02.3 and M1-46 in Scutum

Imaging telescopes or lenses: APM Telescopes TMB - LZOS Apo refractor 152/1200

Imaging cameras: QSI 6120wsg-8

Mounts: 10Micron GM2000HPS II

Guiding cameras: Starlight Xpress Lodestar Autoguider X2

Filters: Astrodon Blue  ·  Astrodon Lum  ·  Green  ·  Red  ·  Astrodon SII 5nm  ·  Astrodon OIII 3 nm  ·  Astrodon 5nm H-Alpha filter


Frames:
Astrodon 5nm H-Alpha filter: 52x1800" bin 1x1
Astrodon Blue: 27x300" bin 1x1
Green: 22x300" bin 1x1
Astrodon OIII 3 nm: 25x1800" bin 1x1
Red: 23x300" bin 1x1

Integration: 44.5 hours


Astrometry.net job: 3728611

RA center: 18h 28' 25"

DEC center: -15° 41' 12"

Pixel scale: 0.533 arcsec/pixel

Orientation: -6.875 degrees

Field radius: 0.373 degrees


Resolution: 4190x2781

Data source: Own remote observatory

Remote source: e-EyE Extremadura

Description

Two very rarely imaged planetary nebulae - and both within a narrow field of view.
I could only find one other, much wider field, image of them at http://www.atacama-photographic-observatory.com/photos/0088_B312_HOLRVB_a.jpg
M1-46 is tiny and intensely bright - so bright it resembled a star - so processing was needed to make its intricate structure visible. It is almost purely Ha, whereas PN G016.3-02.3 is predominantly OIII.

Comments

Author

PeterGoodhew
Peter Goodhew
License: None (All rights reserved)
1635
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Revisions

  • Two rarely-imaged planetary nebulae: PN G016.3-02.3 and M1-46 in Scutum, 



    
        

            Peter Goodhew
    Original
  • Final
    Two rarely-imaged planetary nebulae: PN G016.3-02.3 and M1-46 in Scutum, 



    
        

            Peter Goodhew
    B

B

Description: Improved processing of M1-46

Sky plot

Sky plot

Histogram

Two rarely-imaged planetary nebulae: PN G016.3-02.3 and M1-46 in Scutum, 



    
        

            Peter Goodhew