... The website is www.helioviewer.org <http://www.helioviewer.org> Do not click www.helioveiwer.org <http://www.helioveiwer.org>...
1731
Zhijian
zhijian_xu
Feb 24, 2012 5:31 pm
Hi all, Known Kreutz comet in HI1B, should be this one: Feb 21 2012 19:18:26 Sergei Schmalz Kreutz group comet. 2342 216 683 2354 218 682 0006 220 680 ...
1733
alan
algwat
Mar 2, 2012 9:39 pm
C/2009 P1 Garradd looks good in HI2A rgds, Alan. 2.26 au form STEREO-A 1.81 au form SUN (0,0)uplft Label X Y Median Slice 1 201202:20120227_020921_s4h2A 625 6...
1734
Ian Musgrave & Peta O...
ianfmusgrave
Mar 8, 2012 12:39 pm
G'Day All The recent solar storms may make comet hunting a little harder, via @SunGrazerComets https://twitter.com/#!/SungrazerComets/status/177733885864574977...
1735
Adam
adam_limax7
Mar 11, 2012 4:16 pm
Hi Alan Is that C/2009 P1 on this video ? http://www.youtube.com/watch?v=OtvshfggGlU&hd=1 Adam...
1736
Alan Watson
algwat
Mar 11, 2012 9:47 pm
Gidday Adam, Yes, the moving object up there is Garradd C/2009 P1. See Ian's blog entry to compare. ...
1737
Ian Musgrave & Peta O...
ianfmusgrave
Mar 12, 2012 12:06 am
G'Day All It will be very interesting comet Garrad over the next few days as the CME that hit Earth hits Garrad. Cheers! Ian...
1738
Ian Musgrave & Peta O...
ianfmusgrave
Mar 14, 2012 11:58 pm
G'Day All Comet SWAN is in LASCO C2 and STEREO Behind COR2 and COR1 beacon images. It is evaporating. http://stereo-ssc.nascom.nasa.gov/cgi-bin/images Cheers!...
1739
Ian Musgrave & Peta O...
ianfmusgrave
Mar 15, 2012 2:44 am
G'day All Images of comet SWAN evaporating in STEREO http://astroblogger.blogspot.com.au/2012/03/comet-swan-enters-lasco-c2-and-stereo.html...
1740
alan
algwat
Apr 6, 2012 4:46 am
This comet found in SOHO C3 did not show to much of a tail, but definitely had a longer tail as seen in COR2 images rgds Alan. STEREO COR2B (0,0)uplft Label X...
1741
Alan Watson
algwat
Apr 17, 2012 4:57 am
Gidday all, I have been playing with Helioviewer and SDO images, found the image download button. Thought to share some images here, Lovejoy looks interesting....
1742
alan
algwat
Apr 26, 2012 7:10 am
NOVA SAGITTARII 2012 = PNV J17452791-2305213, becomes apparent in STEREO HI1B imager across 20120420-23. should be there for a while and we may see the fade...
1743
William Thompson
billtthompson
Apr 28, 2012 7:21 am
Oops, I forgot to include the URL http://stereo.gsfc.nasa.gov/~thompson/nova_sagitarii_2012.gif ... -- William Thompson NASA Goddard Space Flight Center Code...
1744
William Thompson
billtthompson
Apr 28, 2012 7:23 am
Here's the same data converted into an estimate of stellar magnitude http://stereo.gsfc.nasa.gov/~thompson/nova_sagitarii_2012_mag.gif Bill Thompson ... -- ...
1745
William Thompson
billtthompson
Apr 28, 2012 7:27 am
Alan: Good catch. I thought you might be interested in this crude light curve that I derived from the HI images. The units are arbitrary--I haven't tried yet...
1746
Ian Musgrave & Peta O...
ianfmusgrave
Apr 29, 2012 8:57 am
G'Day Alan Great catch, looks terrific. My only question is how you did the processing. I did a standard stack, min z project subtraction and I get a fair bit...
1747
Alan Watson
algwat
Apr 29, 2012 12:34 pm
Gidday Ian, The more frames you can get in the sequence the better the min z projection frame will be. Make a stack of up to ten days, say 20120420-26. Remove(...
1748
alan
algwat
May 3, 2012 3:39 am
A couple of possibilites, Bo Zhou recent non group, or early Phaethon or return of expected soho retrun metioned by Rainer a few months ago? still checking....
1749
Alan Watson
algwat
May 3, 2012 3:56 am
Gidday All, Suspect it is *(3200) Phaethon* return, if others could confirm, would be appreciated. Any measurements of magnitude will be affected by CME...
1750
Alan Watson
algwat
May 3, 2012 4:33 am
Looks a little fuzzy to me, but other again can confirm. Likely to fade out as it moves up. Tomorrows images may answer the big question about Phaethon?...
1751
Rainer Kracht
rainerkracht
May 3, 2012 10:15 pm
Gidday Alan, yes it looks like 3200 Phaeton. I have measured the 20120430 images and the orbital elements derived from those measurements are quite close to...
1752
Alan Watson
algwat
May 3, 2012 10:31 pm
Thanks Rainer, just about to check today's images, looking for any interactive tail activity. 8) kind regards, Alan. ... -- Kind regards, Alan Watson...
1753
William Thompson
billtthompson
May 4, 2012 7:48 pm
Folks: I've done a complete reanalysis of the Nova Sagittarii data from HI1-B, and have put the results up on ...
1754
Alan Watson
algwat
May 4, 2012 11:42 pm
A small avi of Phaethon at my blog for consideration. http://cometal-comets.blogspot.com.au/2012/05/phaethon-returns.html I processed it from raw FITS by doing...
1755
W.-t. Hsu
wentaopachacoti
May 5, 2012 9:59 am
Hi William, U've done an excellent job! I venture to bet that you're using IDL for data mining judging from the style of the graph. I'm willing to know more...
1756
Alan Watson
algwat
May 14, 2012 11:35 pm
Gidday All, The STEREO Satellites have been in solar orbit for about 5 years now and have seen the complete Ecliptic star fields five times also. I have been...
1757
Ian Musgrave & Peta O...
ianfmusgrave
May 18, 2012 2:20 am
G'Day All Alan, that is brilliant! Cheers! ian ... ========================================= Ian Musgrave, Peta ODonohue, Jack, Mikey and Andy ...
1758
Alan Watson
algwat
May 18, 2012 6:24 am
Thanks Ian, I am half way through sorting the STEREO HI1A data for 2008 -2012, about 800GB, takes 6hrs per year using a PC, into a directory structure that ...
1759
chrishaber@...
chrishaber...
May 20, 2012 12:42 pm
Hi everyone, I'm Chris Haber, photographic artist. I've been producing an art book of my behind-the-scenes photos of NASA including the space shuttle...
1760
Alan Watson
algwat
May 21, 2012 12:35 am
Gidday All, Does anyone on this forum have a problem with this message remaining on this board? While not directly related to STEREO comet hunting , its...
