LtE in CMO #262
From Dr P
Clay SHERROD
© . . . . . . . . . . Sent:
Subject: Re: [lx90] Dr. Clay -- Asteroid 2002MN
To all -
In addition to my direct answer to
Kevin on this "very" important issue, lest you missed it.....
I have posted a brief discussion
about the possibility of asteroidal impacts such as with 2002MN at:
http://www.arksky.org/cgi-bin/readnews.pl
On the Current News of the Arkansas
Sky Observatory web page.
Dr
Clay
-----
Original Message -----
From: Kevin
Muenzler, WB5RUE
To: 'lx90'
Sent:
Subject: [lx90] Dr. Clay -- Asteroid 2002MN
Dr.
Clay,
Do
you have any information about this rock?
It seems we had a near miss last month, some 75,000 miles.
http://www.space.com/scienceastronomy/solarsystem/asteroid_miss_020620.html
Thanks
Kevin
Muenzler, WB5RUE
29ﾟ14'32"N 98ﾟ14'56"W
Eagle
Creek Observatory
© . . . . . . . . . .Sent:
Subject: SOURCE
FOR CLEANING SWABS!!
There seems to be some confusion and
difficultly in obtaining the proper cotton pads to clean corrector plates,
lenses and all refractive optical surfaces with.
Please
follow to the letter the ASO Cleaning Protocol as outlined at:
http://www.arksky.org/asoclean.htm
Regarding the cotton pads, if they
leave LINT, you are NOT using the right stuff.
I have found the actual one-and-only source of these wonderful cleaners!
OKAY...HERE IS WHAT TO GET:
"4 x 4 ESTHETIC Gauze
lint-free, 4-ply, opens to 8" x 8", non-woven"
"Non-woven, medical-grade wipe
ensures lint-free application and removal of a variety of esthetic
products"
MANUFACTURED BY:
Barnhardt Mfg.,
www.instrinsics.net
1-800-277-0377
That should do it! Ask your pharmacy to ORDER IT for you! Or just call the number given above!
© . . . . . . . . . .Sent:
Subject: Comet
Ikeya Zhang C2002 C1 & Messier 5
We obtained an image of the
"encounter" of comet Ikeya Zhang C/2002 C1 with Messier 5 at June
28.138 as shown on the ASO Comet Patrol page:
http://www.arksky.org/cgi-bin/comettable.pl
Conditions were not good, with high
strong haze thus keeping images relative short and noisy via CCD; this image
was with the 4" guide refractor.
Field of view is approximately 0.45 x 1 degree.
A direct link to ASO Image Archives
without complete data can be obtained at:
http://www.arksky.org/asoimg/ikeya_0628_m5.jpg
Comet Ikeya-Zhang and its encounter (52'
arc separation) with the globular star cluster
Messier 5 in Serpens. Comet was measured at m1 = 8.6; the globular cluster
measure 7.0 magnitude. The comet tail
is distinctly visible for 0.3 degrees in Position Angle 310 degrees. The comet's nucleus was measured via the 0.31m
SCT/CCD at m2 = 9.87. Degree of
condensation was strong, at 8/9.
Note that there
appear to be some secondary "streamers" emanating from the comet,
very close in angular line with the main tail.
© . . . . . . . . . .Sent:
Subject: OT - A
happy holiday to all.....
Just a quick note to wish all of our
USA observers the very best, happiest and safest of Independence Days.....to
those many of you who do not celebrate this in your country, please join us in
showing our appreciation for the preservation of the rights of ALL human beings
worldwide.
As the world
gets smaller and the pace of things sometimes seems frantic and beyond our
control, I believe that everyone - no matter what nationality - can appreciate
the importance this year of our 4th of July.
May you and
your families enjoy this wonderful time...
© . . . . . . . . . .Sent:
Subject: ASO
Comet Observations -
Hello - some comet observations made
through our only break in the heavy clouds in over a week. These are from this morning,
NOTE that LINEAR 2001 K5 has brightened nearly 1 magnitude since our
June 30 measurement; this was confirmed via two Sky Patrol scopes
independently...
Complete
observations of the ASO Sky Patrol for current comets is found at
www.arksky.org, or the direct link at:
http://www.arksky.org/cgi-bin/comettable.pl
Comet LINEAR -
C2001 N2:
*2002 July 04.239 UT: m1 =14.03 ccd,
Dia.= 8", DC =3/9, ...0.3m SCT/CCD...P.Clay Sherrod, (ASO,
Comet
Schwassman-Wachmann 1 - 29P:
*2002 July 04.314 UT: m2* = 14.35
ccd, Dia.= n/a , DC =7/9*, ...0.3m SCT/CCD...P.Clay Sherrod, (ASO,
Comet du Toit-Neujmin-Delporte
- 57P:
*2002 July 04.260 UT: m1 = 15.73 ccd
, Dia.= 4", DC = 3/9, ...0.3m SCT/CCD...P.Clay Sherrod, (ASO,
Conway, Arkansas) [very
near star (mag. 16) making
photometric determinations difficult....m1 is likely a bit on the bright side
as a result; very high haze; poor conditions - comet is very small, diffuse]
Comet Linear
-C/2000 WM1:
*2002 July 04.231 UT: m1 =14.78 ccd,
Dia.= 6", DC = 2/9, ...0.3m SCT/CCD...P.Clay Sherrod, (ASO,
NOTE that some
degree of nuclear condensatioin continues; Moderate Light
pollution,
heavy haze]
Comet Linear -
C2001 K5: (COMET HAS BRIGHTENED)
*2002 July 04.208 UT: m1 = 13.54ccd,
Dia.= 13", DC = 6/9, ...0.3m SCT /CCD...P.Clay Sherrod, (ASO,
Conway, Arkansas) [Comet
is brighter tonight; two confirming measurements; short, bright and straight
tail in PA 189d, 0.6' length; comet maintaining uniform brightness and
structure; Moderate Light pollution,
heavy haze]
Comet Ikeya-Zhang c/2002 C1 *2002 July
04.180 UT: *m2 = 12.07 ccd, Dia.= n/a ,
DC = 8/9, ...0.3m SCT /CCD...P.Clay Sherrod, (ASO,
Conway, Arkansas) [*
m2 (nucleus)
magnitude given only; coma is increasing transparent and NOT definable as to
extent; short, distinct spiked tail in PA 317d, 3.8' length; ; coma is very
large and transparent with distinct nucleus, m2 = 12.07 (ccd)
moderate Light pollution, heavy haze]
P Clay SHERROD (
