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PK 355-4.1 Planetary Nebula in Scorpius, 



    
        

            Todd

PK 355-4.1 Planetary Nebula in Scorpius

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)
Getting plate-solving status, please wait...
PK 355-4.1 Planetary Nebula in Scorpius, 



    
        

            Todd

PK 355-4.1 Planetary Nebula in Scorpius

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Technical card

Imaging telescopes or lenses: Skywatcher 100ED F9 APO Skywwtcher ED100

Imaging cameras: ZWO ASI1600MM Pro

Mounts: SkyWatcher EQ6R Pro

Guiding telescopes or lenses: SVBONY 60mm Guide Scope

Guiding cameras: QHYCCD QHY5L-II-M

Focal reducers: Skywatcher 0.85x Focal Reducer 100ED

Software: Pixinsight 1.8  ·  GIMP

Filters: ZWO B 36mm  ·  ZWO G 36mm  ·  ZWO R 36mm  ·  ZWO L 36mm



Basic astrometry details

Astrometry.net job: 3809716


Resolution: 1203x1203

Data source: Backyard

Description

Identified: PK 355-4.1 or PN Hf 2-1 hiding in the outskirts of Ptolemy's Cluster (M7) in Scorpius.

This appears only arcseconds wide, smaller than many stars look in images.

To bring this out I restacked with a 3x drizzle and tone-mapped using starnet. If you zoom in you'll see individual pixels, its that small.

Unfortunately it was sitting right on the outskirts of my corrected field (spacing not quite right), so there's a bit of coma in the stars. But the nebula seems intact, almost looks like a pinwheel or clover.

Comments

Histogram

PK 355-4.1 Planetary Nebula in Scorpius, 



    
        

            Todd