PK 104-29.1, aka Jones 1 (Andre Vilhena)

Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: PK104-29.1

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PK 104-29.1, aka Jones 1

Link: https://thecosmicarena.net/blog/pk-140-291

Powered byPixInsight

PK 104-29.1, aka Jones 1

Link: https://thecosmicarena.net/blog/pk-140-291

Jones 1 is a small planetary nebula in constellation Pegasus, discovered in 1941 by the astronomer Rebecca Jones. Later on, it acquired the designation of PK 104-29.1 when two Czechoslovak astronomers, Luboš Perek and Luboš Kohoutek, compiled a catalog of all the planetary nebulae of the Milky Way known at the time (1967).

At magnitude 15, it is a quite faint nebula, notably brighter at Oiii than in Ha wavelenghts. It has the round shape and an Ha structure nearby (here seen below it as a red smudge) which I couldn't confirm whether it is related or not. The progenitor star is AG82 454, the blue star right in the middle of the nebula - this was a Sun like star whose outer layers where shedded in outer space, leaving now the remain of its core.

All in all it was an interesting project, which would benefit of some more additionall hours to better reveal the structure of it. As the weather is now worsening, maybe some next year.

Photo shot at Barcarena, Portugal in October 2023.

Portugal
FriendlyCosmos
Trevinca Skies

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Status	Advanced success
Started	...
PixInsight job	Y5OW1OWELIAEYDXU9U3TBH6B7QYALNS1
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h35m50s.396
RA (top/left)	23h34m29s.970
RA (top/right)	23h35m35s.830
RA (bottom/right)	23h37m10s.506
RA (bottom/left)	23h36m05s.767

Dec (center)	+30°29′14″.90
Dec (top/left)	+30°39′25″.77
Dec (top/right)	+30°09′27″.99
Dec (bottom/right)	+30°19′02″.46
Dec (bottom/left)	+30°49′01″.36

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PK 104-29.1, aka Jones 1

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