Three Comets in Pegasus / Andromeda
Comet 168P / Hergenrother
Comet 260P / McNaught
Comet C/2012 J1 Catalina
Nearly full moon in Pegasus...
Uploaded 11/23/12
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There are
times when the sky is totally clear, but the moon is full and
we do not want to waste a valuable clear night! Last night was
such an evening, the 85 percent full moon was in northern Pegasus,
but so was three faint comets, which are amongst the brightest
in the sky at this time. So here are last nights images, which
had plenty of moon glows in them for you to ponder. All images
with the 12.5" f/5 Newtonian, and ST10xme CCD from Payson
Arizona. All exposures are 10 minutes.
Lets start with
Comet 168P
/ Hergenrother,
now fading in Andromeda at around 11.8th magnitude. There is
a bit of a tail seen here as a very broad fan. The larger sizes
will show the entire field, this is cropped:
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| Next,
also in Andromeda is Comet
260P / McNaught,
now at 13.5 magnitude and also fading. A bit asymmetrical coma
here, not quite a tail. |
| Finally,
Comet C/2012
J1 Catalina,
currently around magnitude 13 or so. It was round, with only
a symmetrical coma to be seen. Click the larger sizes to see
the full field, this is quite cropped. |
Lens: 12.5" f/5 Home built Newtonian
Platform: Astrophysics AP1200
Exposure: 10m
Location: Payson, Arizona
Elevation: 5150 ft.
Sky: Seeing 6/10, Transparency 8/10
Outside Temperature: 40F
Processing Tools: Maxim DL, Photoshop CS2
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