Hemisphere:  Northern  ·  Contains:  PK131+02.1  ·  Sh2-189
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Abell 3 (PK 131 + 2.1) or Sh2 189, 


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Abell 3 (PK 131 + 2.1) or Sh2 189

Imaging telescopes or lenses: Stellarvue SVT 130T

Imaging cameras: SBIG STT 8300M

Mounts: Astro-Physics Mach1AP GTO CP4

Guiding telescopes or lenses: Stellarvue SVT 130T

Guiding cameras: SBIG STT 8300M

Software: CCDWare FocusMax V.4  ·  PixInsight  ·  Software Bisque TheSky X Professional  ·  Maxim DL  ·  EQMOD  ·  DC-3 Dreams ACP Observatory Control Software  ·  Astro-Physics Command Center (APCC) Software

Filters: AstroDon 5nm Ha filter

Accessory: Moonlite Nitecrawler 3.5

Dates:Oct. 24, 2019

Frames:Astrodon H-alpha 5nm: 16x1800" bin 1x1

Integration: 8.0 hours

Avg. Moon age: 25.37 days

Avg. Moon phase: 18.33%

Astrometry.net job: 3005333

RA center: 2h 12' 6"

DEC center: +64° 8' 58"

Pixel scale: 0.611 arcsec/pixel

Orientation: -0.082 degrees

Field radius: 0.159 degrees

Resolution: 1356x1288

Locations: Stanford Faculty Observatory, Stanford, California, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility


Well this is very small and I did not bother with the color since the only detail I can see is in the HA.

There is also an O-III signal but it is lost in the HA.

This is drizzled.



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Abell 3 (PK 131 + 2.1) or Sh2 189,