Jupiter/Europa Shadow Transit Image June 5th, 2008Posted By Dan Petersen |
Hi Jason, good image scale with amazing detail... congrats!!! Dan 
Posts Made By: Dan Petersen
June 5, 2008 04:55 PM
Forum:
CCD Imaging and Processing/Solar System
June 7, 2008 01:25 AM
Forum:
CCD Imaging and Processing/Solar System
Jupiter June 6, 2008Posted By Dan Petersen |
Excellent shot, Paul! I imagine SunShine was wondering what in the world you were doing getting up so early though? cheers, Dan 8)
July 13, 2008 01:02 AM
Forum:
CCD Imaging and Processing/Solar System
Jupiter 7/11/08, f18Posted By Dan Petersen |
Hi Steve, A 16 minute window to shoot Jupiter, It takes me that long just to focus! If you can capture a good shot of Jupiter this season it will indeed be something special. I wonder if a 780nm or higher IR filter might provide a good resolution boost, since it allows only the long and steady wavelengths to reach the CCD. Recording at 30fps gives you a lot of data to work with, all that's needed now is a very steady night, good luck! I think the only night target left with high resolution potential is the last quarter moon which occurs this month on the 25th. Cheers, Dan
July 16, 2008 01:16 AM
Forum:
Solar System Observing
Venus as Evening Star - 2008-2009Posted By Dan Petersen |
Hi Curt, here's a Sony cybershot of Venus taken last evening just 7 minutes before she set in the west northwest. ISO was 400, focal length: 4.5, exposure: 1/15 second (hand held), zoom: 15X. I didn't think it could be imaged at an altitude of less than one degree, but here it is! Cheers, Dan
July 16, 2008 01:30 AM
Forum:
Solar System Observing
Venus as Evening Star - 2008-2009Posted By Dan Petersen |
Hi again, here is a montage of (white light) Venus images, all taken during its last Evening Star Apparition in '07. This next time around I plan to use a UV filter, the results should be stunning. Cheers, Dan 8)
July 22, 2008 11:13 PM
Forum:
CCD Imaging and Processing/Solar System
Jupiter: Dual Capture TestPosted By Dan Petersen |
Hi Jason, excellent shot, it clearly shows the incredible turbulence the SEB is currently experiencing. Take it easy, Dan 
July 26, 2008 04:42 PM
Forum:
CCD Imaging and Processing/Solar System
Jupiter, July 21 in frustrating conditionsPosted By Dan Petersen |
Hi Paul:
Tremendous detail, congratulations!
Dan
Tremendous detail, congratulations!
Dan
August 2, 2008 07:11 PM
Forum:
CCD Imaging and Processing/Solar System
Jupiter at two diff resolutions on 8/1Posted By Dan Petersen |
Hi Guy:
Nice composites! Since Jupiter is so very low in our southern sky, I would think that a 6.5" by 9" (off-axis) elliptical mask attached to the front of your scope may provide the sharpest images. Elliptical, because it brings in more light than a spherical mask and also gives a resolution boost on the major axis. In order to reduce air turbulence even further just align that axis so it is parallel to the winds aloft. If the seeing is very good I would go with the full 16 inches, I hope you get one of those nights.
Have a great weekend, Dan
Nice composites! Since Jupiter is so very low in our southern sky, I would think that a 6.5" by 9" (off-axis) elliptical mask attached to the front of your scope may provide the sharpest images. Elliptical, because it brings in more light than a spherical mask and also gives a resolution boost on the major axis. In order to reduce air turbulence even further just align that axis so it is parallel to the winds aloft. If the seeing is very good I would go with the full 16 inches, I hope you get one of those nights.
Have a great weekend, Dan
August 7, 2008 01:16 AM
Forum:
CCD Imaging and Processing/Solar System
Jupiter August 5, 2008 (transit images)Posted By Dan Petersen |
Hi Paul:
Outstanding work! Your imaging and processing techniques are very high quality, this shows through in these amazingly sharp transit images, congratulations! If you can obtain resolution like this now, just imagine what awaits you in a few years when Jupiter approaches the zenith? 8O
Best regards, Dan
PS: That Ganymede close up is about as good as the guys down under are doing. Your seeing must have been...VERY HIGH!
Outstanding work! Your imaging and processing techniques are very high quality, this shows through in these amazingly sharp transit images, congratulations! If you can obtain resolution like this now, just imagine what awaits you in a few years when Jupiter approaches the zenith? 8O
Best regards, Dan
PS: That Ganymede close up is about as good as the guys down under are doing. Your seeing must have been...VERY HIGH!
August 7, 2008 01:24 AM
Forum:
CCD Imaging and Processing/Solar System
Jupiter with Ganymede and CallistoPosted By Dan Petersen |
Jim, beautiful shot, excellent processing also, congratulations. You were lucky to have clear skies for this grand event. I hope you took some time to observe this very rare transit? Cheers, Dan
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