ASTRO: Ghost of Jupiter

NGC3242. This is about 2 minutes of data taken with the C-11 and the CP4500.
I found out that I need to let the camera cool down between time exposures
other wise it loses sentivity and at the same time creates a bunch of noise.
I got some detail in this one but I am sure that there is a bunch that I
missed with such a short exposure times. These bright PNs tend to burn out
the central detail with longer times. I now want to retry the Eskimo again
before it is gone.

Joe

J McBride wrote:

NGC3242. This is about 2 minutes of data taken with the C-11 and the CP4500.
I found out that I need to let the camera cool down between time exposures
other wise it loses sentivity and at the same time creates a bunch of noise.
I got some detail in this one but I am sure that there is a bunch that I
missed with such a short exposure times. These bright PNs tend to burn out
the central detail with longer times. I now want to retry the Eskimo again
before it is gone.

Joe

That's one I haven't tried as yet. Probably wait for next year though
planetaries are good full moon targets. Looks like I'm under clouds for
a while. Cloudy last night but the rain missed. We need it badly, more
headed this way tonight. I hate clouds without rain. Lake is lowest
I've seen it and I started coming here in 1949 so that's a lot of years!

Rick

--
Correct domain name is arvig and it is net not com. Prefix is correct.
Third character is a zero rather than a capital "Oh".

Very good result for such a short exposure.
I never figured out why this object is called "ghost of Jupiter". "Ghost of
Uranus" would fit much better.

Stefan

"J McBride" schrieb im Newsbeitrag
...
NGC3242. This is about 2 minutes of data taken with the C-11 and the
CP4500.
I found out that I need to let the camera cool down between time exposures
other wise it loses sentivity and at the same time creates a bunch of
noise.
I got some detail in this one but I am sure that there is a bunch that I
missed with such a short exposure times. These bright PNs tend to burn
out
the central detail with longer times. I now want to retry the Eskimo
again
before it is gone.

Joe

"J McBride" wrote

NGC3242. This is about 2 minutes of data taken with the C-11 and the
CP4500.....

Great shot Joe!

I had forgotten I had an image of this one.

George N

hey that came out good!


"Stefan Lilge" wrote in message
...
Very good result for such a short exposure.
I never figured out why this object is called "ghost of Jupiter". "Ghost
of Uranus" would fit much better.

Stefan

"J McBride" schrieb im Newsbeitrag
...
NGC3242. This is about 2 minutes of data taken with the C-11 and the
CP4500.
I found out that I need to let the camera cool down between time
exposures
other wise it loses sentivity and at the same time creates a bunch of
noise.
I got some detail in this one but I am sure that there is a bunch that I
missed with such a short exposure times. These bright PNs tend to burn
out
the central detail with longer times. I now want to retry the Eskimo
again
before it is gone.

Joe