Planetary Nebula PK315-0.1

[kinetic (Steve)]

While refining the arc sec/step size on my new homemade
DEC axis worm tonite, I was driving around the field
near Alpha Centauri.
I drove to a field where Planetary PK 315-0.1 should be
and there it was, right in the middle on the live preview
in nebulosity.
I haven't imaged this one before so I took a set.

An Aladin skyserver image attached as well showing the
approx field. Note the bright diffraction spike coming from
Alpha on the Aladin ESO plate!

Steve

[seeker372011 (Narayan)]

very cool!

[Alchemy (Clive)]

tough little targets.

[kinetic (Steve)]

I took another set of this little planetary tonight and compared
it to the shot in this thread I took in May last year.
Tonight's set survived a 2x resample before deconvolution and
some sharpening. Deconv sure shows up non-round stars in
your set

A bit of further reading about PK315-0.1 or He-2/111 as it's probably more
commonly known) here by Andrew James of ASNSW. (Enchilada)
http://www.blackskies.org/nsp16.htm

A few facts about He-2/111 : Magnitude 13 , roughly 2000 years old
according to the velocity of the expanding shell.
quote:>>
'While the observed nebulosity is expanding at 24kms-1, Meaburn and Walsh (1989) found
that some regions close to the PNN have an outflow velocity as high as 370km.sec.-1 -
likely one of the fastest "superwind" PNe shell velocities ever measured.<<

Will be almost unobservable in about 500 years due to the proper motion
of Alpha Centauri which lies very nearby, at 46 arc min East.


Steve

[telecasterguru (Frank)]

Steve,

That is a very interesting object and very well captured.

Frank

[kinetic (Steve)]

Thanks Frank,
always a kind word to say

Steve

[multiweb (Marc)]

Cool shot Steve. Amazing details. Very rewarding to see how your very own home made gear performs.

[kinetic (Steve)]

Thanks Marc, youbetchya.

Steve

[tornado33]

Very nice, great to see images of such little known and seen objects. Its now in my "to be imaged next" list.
Scott