Hi All,
Had an interesting night Sept 5th imaging Jupiter. I planed to capture a set of R, G & B avi’s ever 20 degrees in longitude CMII. At the CMII region this was about every 33 minutes.
Was setup relatively early at 7:30 pm CST but discovered that there was a large foreign object in the middle of Jupiter, obviously some crap on my CCD. I have an Orion lens cleaning kit and very carefully cleaned the CCD, managed to shift the offending impediment but in doing so it had pups and now there was half a dozen smaller spots on my CCD. Went through my cleaning process several more times, very gently wiping lens tissues across the CCD, one wipe and then a new tissue. This cleaned my CCD better than it ever has been, even from new, but then, although having no debris on any part of the CCD, I could see lines across my Jupiter image. Pulled it out again and very gently wiped the CCD at right angle to the previous direct that I had wiped initially. At last my CCD was squeaky clean, it only took about an hour.
The seeing for this imaging session of 4hrs 25min’s varied considerably, my first capture at 10:43 UTC 40 degrees CMII longitude, still with the wipe marks on my CCD, was in good seeing of 6/10. The seeing steadily improved and for my next capture at 11:16 UTC 60 degrees CMII longitude and was very good at least 7 ½ / 10. For my next two captures the seeing dropped off progressively over that hour back to about 6 / 10.
For my final 2 hours incorporating my final 4 sets of RGB’s the seeing had dropped off to no better than 5. This was extremely disappointing as my last 2 sets of RGB’s covered the region of the Wesley Impact.
I have posted here the first four sets of RGB’s, including the set taken with the wipe marks on my CCD. Thought that image may be of interest. The second of these images was from excellent data. There is a wealth of detail in these images, some extremely interesting structures and detail within the NEB, North Equatorial Belt.
Have also posted a link to an animation from the entire 4hr 25min session. It is a shame the seeing dropped off to such an extent. http://www.iceinspace.com.au/uploads...upAnimLong.gif
Another good set of images there Trevor. I know what you mean about cleaning the ccd... I hate to do it as it takes many attempts to get it properly clean.
Another good set of images there Trevor. I know what you mean about cleaning the ccd... I hate to do it as it takes many attempts to get it properly clean.
cheers, Bird
Thanks Anthony, Yep, it is amazing how large, microscopic particles, can look when they find there way into the camera and it is such a tedious and frustrating exercise to remove them. I am pretty scrupulous with the care of my CCD but occasionally air born particles manage to adhere to the piece of glass over it. I always take the protective cap out with the camera pointed down and always have a cap on the adapter as I screw it into the camera. I store the camera always with the CCD facing down in as dust proof an environment as I can provide.
Quote:
Originally Posted by Lester
Wow, that second image is a cracker.
Good on ya Trevor, yet again.
Thanks Lester, I was pretty pleased with that one to. The live feed looked great for that capture.
Quote:
Originally Posted by Paul Haese
Second image is very good Trevor. Goes to show what a high situated over head can produce.
Thanks Paul, the position of the high pressure systems makes so much difference to the stability of the seeing and it looks like Tuesday and Wednesday could turn out quite well for me along with most South Australia imagers as well, good luck.
Quote:
Originally Posted by Troy
Fantastic pictures Trevor
You certainly get out imaging allot and very active on IIS
Half your luck
Thanks for the kind words Troy, I am just fortunate at the moment to be getting a lot of imaging opportunities with the weather, one of the advantages of living so far inland.
Quote:
Originally Posted by Harpspitfire
fantasic detail!--got a question, i got some crap on my cheap nexiamge CCD, how do you actually clean it off without destroying the chip?
Well, it would probably be very unwise to attempt to directly clean a CCD, however with my DMK there is a piece of, I believe, glass over the top of the CCD chip and it is that surface that I clean very carefully, not the actual surface of the CCD chip. Obviously any attempt to clean your own CCD could result in damaging it so I suggest you research the subject of cleaning your particular brand and model of CCD thoroughly before proceeding.
Very nice Trevor, your images are very consistent these days. Great job!
Thanks Mike, I really do think that I am improving, probably just gaining a better understanding of my equipment and continuing to refine my processing technique. I have received a lot of good advice on IIS.
But it does help the cause getting stable conditions often enough to keep tweaking things to establish what works and what doesn't.
Those are simply beautiful Trevor, processing is spot on, smooth as a baby's bot-bot. It's as if you have taken some very fine sandpaper and given it a once over.
Astonishing work.
Always a pleasure to view your Jupiter's, thanks for posting these.
Those are simply beautiful Trevor, processing is spot on, smooth as a baby's bot-bot. It's as if you have taken some very fine sandpaper and given it a once over.
Astonishing work.
Always a pleasure to view your Jupiter's, thanks for posting these.
Cheers
Chris
Thanks for your very kind words Chris I really do appreciate your comments.
Quote:
Originally Posted by alphajuno
Very nice Trevor! I haven't seen that side of Jupiter in a while.
Thanks Dave, although I have been concentrating on coverage of the Wesley Impact region, I try and get out imaging at every opportunity to work on my technique and at high res, this side of Jupiter also has a lot happening, particularly within the NEB.
