Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  PGC 2572662  ·  PGC 2573118  ·  PGC 2815856  ·  PK158+37.1
Abell 28 Planetary Nebula, Jerry Macon
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Abell 28 Planetary Nebula

Abell 28 Planetary Nebula, Jerry Macon
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Abell 28 Planetary Nebula

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Description

No dithering.

No guiding.

Fixed focus position (focuser inoperative)

Abell 28 is a planetary nebula in the constellation Ursa Major with very low surface brightness and a diameter of about 5.5 arcmin. The brightness is unevenly distributed over the disk. I have found this to be one of the dimmest PNs I have imaged. The Oiii is basically non-existent, and the Ha is incredibly faint. It took a lot of careful processing to bring it out.

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Abell 28 Planetary Nebula, Jerry Macon

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Abell Planetary Nebula

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ABELL Planetary Nebulae