Hello All! I updated my LC page: http://severastro.narod.ru/sla/com/lc.htm -- Best regards, Artyom. My comets light curves page: ...
19784
Roberto Barcellona
soldino1946
Sep 4, 2012 11:18 am
good day. Today I tested an old recovery and I noticed this strange nebula, near the asteroid 1999VG40. http://www.astrobin.com/19167/ <---- photo There are...
19785
gvnn64@...
gvnn64
Sep 4, 2012 11:28 am
Hi Roberto, indeed it's a strange feature. Did you tried to stack and blink separately two series of exposures, just to make sure that this nebular stuff is...
19786
Roberto Barcellona
soldino1946
Sep 4, 2012 4:26 pm
Thank you, Giovanni. stack frames 1 to 6 -> http://www.astrobin.com/19167/B/ stack frames 7 to 11 -> http://www.astrobin.com/19167/E/ restack frames 1 to 11 ->...
19787
gvnn64@...
gvnn64
Sep 4, 2012 7:39 pm
Hello Roberto, I blinked the two sequences (1-6 and 7-11) you kindly provided, and I clearly see a moving dot (likely the minor planet) superimposed on the...
19788
Roberto Barcellona
soldino1946
Sep 4, 2012 7:53 pm
thanks Giovanni. The problem is that this nebulosity comes out only during the stacking of the images. In each single frame I can not find, being very weak. ...
19789
denis buczynski
dennis555002
Sep 4, 2012 8:08 pm
Hi Roberto, I have experienced effects similar to the one describe. What Giovanni describes is called residual bulk image. The cause and cure for this can be...
19790
Roberto Barcellona
soldino1946
Sep 5, 2012 7:45 am
Thanks for the ideas. It 'a phenomenon (residual bulk image)that did not know: I never noticed with my ccd (also because I focus onfaint stars) I can see by...
19791
Roberto Barcellona
soldino1946
Sep 5, 2012 8:31 am
and this is the first dark, only few minutes after the last frame: no traces of residual bulk image. http://img7.imageshack.us/img7/9745/darkdc.png Cordially ...
19792
gvnn64@...
gvnn64
Sep 5, 2012 9:27 am
Hi Roberto. ... Then a second close look at this object will be helpful. Bye, Giovanni...
19793
Pieter-Jan Dekelver
pieterjan87
Sep 5, 2012 9:05 pm
Hello, I just received my observatory MPC code. Observatory Gromme has got from now on the following MPC code: D09 ... Best Regards, Mr. Pieter-Jan Dekelver ...
168P/Hergenrother: 2012 Sep. 6.90 UT: m1=11.2, Dia.=3.5', DC=1/, 20 cm SCT (100x). [ Brighter than expected. Faint and diffuse coma surrounding the ...
19795
ligustri rolando
astroligu2002
Sep 8, 2012 6:01 am
http://spaceweather.com/submissions/large_image_popup.php?image_name=rolando-ligustri-2012QG42_120907_1347083866.jpg best regards Rolando Ligustri...
19796
Paolo Bacci
asa-scienza
Sep 8, 2012 11:17 am
In mio contributo http://tiny.cc/6pjakw backman Bravo ROLAND !!! 2012/9/8 ligustri rolando <rolando.ligustri@...> ... -- ... Paolo Bacci B09...
19797
Paolo Bacci
asa-scienza
Sep 10, 2012 11:54 am
Hi all Vi allego i grafici realizzati dal mitico Lorenzo Franco (A81 Balzaretto) che ha elaborato le immagini ottenute da 104 San Marcello dell'asteroide 2012...
19798
Michael Mattiazzo
cometmanau
Sep 10, 2012 12:38 pm
Hi All, I can confirm that 168P Hergenrother is unusually bright, at least 2 magnitudes brighter than predicted. Perhaps in outburst. My visual observation...
19799
hermanusrietveld
hermanusriet...
Sep 10, 2012 7:41 pm
Hi Michael, Nice pictures of 2011 L4! The comet looks pretty healthy to me. Did you also estimate its brightness? Best regards, Hermanus....
19800
Michael Mattiazzo
cometmanau
Sep 11, 2012 10:47 am
Hi all, My visual estimate this evening of C/2011 L4 PANSTAARS, using ASAS 3 Vband photometry as comparison. Comet appears small but highly condensed. Morris...
19801
Richard Miles
gallileo99uk
Sep 14, 2012 4:15 pm
The British Astronomical Association is holding its first-ever joint section meeting of the Comet Section / Asteroids and Remote Planets Section between ...
19802
Jose Francisco Hernan...
altamira_obs
Sep 14, 2012 4:52 pm
Best Regards I send this link last night animations https://vimeo.com/49458300 13 to 14 September 2012 attentively Jose. F.Hdez http://www.altamiraobs.org.es/ ...
19803
Pieter-Jan Dekelver
pieterjan87
Sep 16, 2012 5:31 pm
Hello, I tried to capture C/2010 M1 Gibbs past night. According to Orbitas it would be around 16.9 magnitude. I observed the region 10x300s BIN 2x2 with a...
19804
Stéphane Garro
stephane_garro
Sep 16, 2012 8:36 pm
Hello Pieter, ... Problem with this comet is that it has only been observer for a very short period, its orbit is based on 15 observations only and all on 2010...
19805
Robson Hahn
robsonhahn
Sep 17, 2012 2:30 pm
Last Friday i made some images of 168P/Hergenrother and when i was stacking images i saw some frames with an very faint object near nucleus. After stack, i...
19806
gvnn64@...
gvnn64
Sep 17, 2012 2:45 pm
Dear Robson Hahn, if you can provide us a link to the image, it would be better (attachments are not allowed through this list). Bye, Giovanni Sostero ... From...
19807
Robson Hahn
robsonhahn
Sep 17, 2012 3:42 pm
Hello.. Sorry for my mistake... Image just stacked (no Dark, flat or bias) ...
19808
anos Kardasis
astromanos2002
Sep 18, 2012 7:32 pm
Hello, here is our 2nd comet from the 2nd largest telescope in Greece.The comet's tale is a litle greater than 1arcmin. ...
19809
Soulier Jean-FranÃ...
jeffcomete
Sep 20, 2012 4:22 am
Good afternoon. Possible outburst of +/- 3 mag. of the comet 37P Forbes, between 0916.104 and 0920.067. Comparative observations : NET UCAC-3 0037P KC2012...
19810
Magolor
seandeeerio
Sep 20, 2012 4:52 am
I have made a group about comets. Info. name:DSCOG(Deep Sky Comet Official Group) email:deepskycomets@yahoogroups.com...
19811
gvnn64
Sep 20, 2012 12:45 pm
Hello Jean-François. ... Indeed, it's a very interesting behaviour, thanks for the heads-up: will try to perform some follow-up about it... Bye, Giovanni...
19812
Hidetaka
sedna_90377
Sep 20, 2012 1:03 pm
Hi Jean, I confirmed your successful observations of outburst of 37P at H06 a few hours ago. The total magnitude was 16.9 and its aspect was completely...
