Found this. It's a composite of two images, ISON actually moved between exposures. But check out the galaxies! http://imgsrc.hubblesite.org/hu/hs-media/comet_ison_blog_entry/featured_imag... Dan -- Sent from an iPad. There should be less mispelings, but more errors.
Thanks for the link. I liked seeing the composite image, but I was confused by the L-shape path of the comet. I'm listening now to a google plus hangout where they are talking about gathering the data from Hubble and the processing that went into the image. https://plus.google.com/events/cekkcqbq3mavbdo2fea380oh83c This guy Max Mulcher explained that the shape of the path in the composite images had more to do with the orbit of Hubble and parallax then it did the comet itself. It's amazing how the "raw" images from Hubble look - speckled with dots and lines Max called cosmic rays. He said it's one of the disadvantages of having the telescope outside our protective atmosphere. Dion ________________________________ From: Daniel Holmes <danielh@holmesonics.com> To: Utah-astronomy Astronomy <utah-astronomy@mailman.xmission.com> Sent: Wednesday, July 17, 2013 9:13 AM Subject: [Utah-astronomy] Hubble images ISON Found this. It's a composite of two images, ISON actually moved between exposures. But check out the galaxies! http://imgsrc.hubblesite.org/hu/hs-media/comet_ison_blog_entry/featured_imag... Dan -- Sent from an iPad. There should be less mispelings, but more errors. _______________________________________________ Utah-Astronomy mailing list http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Send messages to the list to Utah-Astronomy@mailman.xmission.com The Utah-Astronomy mailing list is not affiliated with any astronomy club. To unsubscribe go to: http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy Then enter your email address in the space provided and click on "Unsubscribe or edit options".
Dion, haven't you ever been in total darkness, and suddenly a tiny blip of light, for just a second, happens in one of your eyes? You're not sure where it came from or if it was even real. Secondary particles from cosmic rays can hit rods and cones in your eyes and fire them off. They don't even have to enter through your pupil. I've experienced it a number of times during my lifetime. So it's easy to imagine the Hubble camera chips just getting peppered with primary cosmic-ray strikes. On Wed, Jul 17, 2013 at 2:42 PM, Dion Davidson <diondavidson@yahoo.com>wrote:
It's amazing how the "raw" images from Hubble look - speckled with dots and lines Max called cosmic rays. He said it's one of the disadvantages of having the telescope outside our protective atmosphere.
Dion
On 17 Jul 2013, at 15:04, Chuck Hards wrote:
Dion, haven't you ever been in total darkness, and suddenly a tiny blip of light, for just a second, happens in one of your eyes?
I had that experience yesterday. But I think it was probably related to the funny gas the dentist had me breathing at the time. :) patrick
participants (4)
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Chuck Hards -
Daniel Holmes -
Dion Davidson -
Patrick Wiggins