Solar System – Jupiter und Saturn
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Juni 2016 In June 2016 we was testing a new videomodule, a ZWO ASI 290 MM with a pixel size of 2.9 microns. The image shows a comparison of Mars, Jupiter and Saturn at the same scale, taken in the prime focus of the Celestron C 14 at june 2016.

Stacking each 12% of 3.000 raw images. Image processing with AviStack 1.8 and Photoshop CS 2. More image information in the large image. Click here or on the thumbnail right to load the large version.
Juni 2016 These collection of images shows a the rotation of jupiter in a small time segment and also the movement of the moon Europa tkane in the prime focus of our Celestron C14 at june 22. Camera was a Celestron SkyRis 445 mono with addition of a Baader IR Passfilter.

The image at lower right schows one of the raw image without any image processing.

Stacking each 10% of 2.000 raw images. Image processing with AviStack 1.8 and Photoshop CS 2. More image information in the large image. Click here or on the thumbnail right to load the large version.

Saturn 2015
Saturn   14.09.2015 Saturn   14.09.2015 Saturn   24.07.2015
The image at left shows the differnce in size (at the same scale) of saturn at 24. July and 14. September due to the change in distance betwee earth and saturn.

Both images was taken in the prime focus of the Celestron C14 with a videomodule SkyRis 44 mono and a Baader IR Passfilter.

Image addition each 300 of 3.000 raw images.

Saturn 2013 (Maxwell Gap)

These image of Saturn is the "First Light" planetary picture of the Celestron C14 after it was reassembled at Onjala lodge. The following pictures document our attempt to prove the Maxwell gap in the C-ring of Saturn photographically.

The picture below shows a mosaic of the NASA/Cassini cameras (from left to right you can see the D-, C-, B-, A- and F-ring). Click here to load a large version of the picture (copyright 2007 NASA/Cassini mission).
For this purpose the individual pictures of the Avistream were exposed longer than usual. Specifications of the recordings:

Date: 14. Mai 2013, 22:21 UT
Instrument: Celestron Standard C14 + Baader Q-Turett Barlowelement, extension factor approx. 1.3
Focal length: ca. 5.200mm
Ratio of aperture: ca. f/15
Camera: TIS DBK 21A F04.AS (Color)
Location: Onjala Lodge/Namibia
Summed up: 300/3.000frs
Single frame exposure: 1/13 Sekunde
Processing: AviStack 1.8, Photoshop CS2 (Scaling to 130% with Fitswork).

Diameter of Saturn: 18.8"
Distance to Earth: 1.32 x 10e9 km = 8.822 AE
For better presentation the result was scaled with Fitswork to 200%. The resulting picture is not pretty, but clearly shows the Maxwell Gap in the C-ring.
The picture on the left shows a detail of the Cassini mosaic containing the Maxwell gap. Using appropriate exposure times it should be possible to detect the Colombo Gap with non-professional equipment. The dimensions of the gaps are (#):

Encke ca. 325 km
Cassini ca. 4.700 km
Maxwell ca. 275 km

(#) Source: wikipedia

March, 21st 2014 - Saturn occultation by the moon in the morning sky

Whereas in Germany it was only a close encounter between moon and Saturn, in Namibia we were able to witness this event on March 21st of 2014 as a Saturn eclipse. The picture on the right shows a simulation with GUIDE. The ingress on the bright side of the moon was at 04:16:51 UT. The phase of the moon was waning, the age of the moon was 19.8 days and illumination was 80.4%. The egress was around 05:24 UT.

A lot more and many pictures you can find here. ...

« Click here to load a large picture.
« Click here to load a large picture.

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