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| SUNSPOTS 3839 .. 3844 October 4, 2024 15cm Newton, f/D=6.3 (f=960mm) Raspberry Pi HQ camera with Balzers Calflex IR-blocking filter Telescope covered with 2 layers of Mylar sheet Exposure time 0.1 millisec |
ECLIPSED MOON IN PISCES STAR FIELD September 28, 2015 300mm Tele-objective F#4.0 FTF2020-M CCD with RGB-filter wheel Eclipsed Moon: 2 sec RGB Star field: 30 sec RGB FoV: 4.7x3.5 degrees |
Moon with 15 times enhanced colours, 24 november 200725cm Newton with Barlow projection f/D=12; FTF1010-M CCD; MYC-filterwheel+10xND filter; Exp.time 0.05sec |
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| NORTHERN HALF Note the area around Aristarchus, Copernicus, Plato, Aristillus, the material deposits around Copernicus and Kepler and the brown/blue colours of the Mares |
EASTERN DETAIL Note the reddish colour of Theophilis and the deposits around Proclus |
MARE TRANQUILLITATIS and Mare Serenitatis: Brown versus blue |
DETAIL OF AREA AROUND TYCHO Note the contrast in colour around and south-west of Tycho and the eastern and northern part of the image |
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FULL MOON in colour, 2/3 february 2007 <-- Click on the image for a description of the image processing 25cm Newton, f/D=5.7, FTT1010-M CCD and RGB-filterset + 10xND Exposure: 35 msec; Colour enhanced 15 times |
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| Total Lunar Eclipse 3/4 march 2007 15cm Newton, f/D=6.3 FTT1010-C color CCD Partial eclipsed Moon : 0.1-0.7sec with 1mm NG3 filter Fully eclipsed Moon: 3-5 sec |
Eclipsed Moon in Leo star field 3/4 march 2007 300mm Telelens F#5.5 FTF2020-M CCD RGB-filter Eclipsed Moon: 2 sec RGB Star field: 15 sec RGB FoV: 4.1x2.7 degrees |
Full moon in color 2/3 february 2007 25cm Newton, f/D=5.7 FTT1010-M CCD RGB-filter + 10xND Exposure: 2x35 msec Orginal color image Enhanced colors 15x |
Full moon and Saturn 2 february 2007 25cm Newton,f/D=5.7 FTT1010-M CCD R-filter + 10x ND Exposure: 40 msec Saturn enhanced 25 times |
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9 november 2003 FTT1010-Color CCD prime focus 15cm Newton f/D=6.3 10x ND-filter outside totality Exposure: 0.1 to 8 seconds |
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Eclipse 9 november 2003 (23u33, 00u26, 01u19, 02u12, 03u04 (UT)) FTT1010-Color CCD prime focus 15cm Newton f/D=6.3 10x ND-filter outside totality Exposure: 0.1 to 8 seconds |
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210mm tele-objective, 200 ASA colour film This time no CCD image (although the CCD was used to scan the film) Left photo: 4u05 UT, near Gennep with the church of Hommersum on the sky line Right photo: 4u25 UT, near the same location. |
| Sun 4 may 2003 and transit of Mercury 7 may 2003: 25cm Newton and FTT1010-M CCD-camera using Barlow projection: Effective focal length f=3.4m, f/D=13. Filters: 1X Mylar screen in front of Newton, 1x ND3 in front of Barlow-lens, RG630 en IR afkapfilter in front of CCD. Illumination: 1 exposure of 50 milliseconds. Field of view appr. 0.2x0.2 degree. |
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 (Movie: 300kB) |
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| Groups of sunspots 4 may 2003, 14:00UT |
Transit of Mercury 7 may 2003, 10:15-10:31UT |
Transit of Mercury 7 may 2003, 09:30UT |
Transit of Mercury 7 may 2003, 10:20UT |
Transit of Mercury 7 may 2003, 10:30UT |
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Scope: 25cm Newton, f/D=46 CCD: FTT1010-M Exposure: 1 image of 0.1 sec Image is unsharp masked for more detail |
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Right: During totality, Left: End of eclips Scope and CCD: 15cm Newton with FT1020 colour-CCD in prime focus, f/D=6.3 Exposure: Sum of 4x30sec (due to dense cirrus clouds) |
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MOON: South part. Scope: 25cm Newton with Barlow projection f/D=13.1 CCD: FT1020 colour-CCD in binning mode Exposure: 0.2sec |
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MOON: View perpendicular on crater Tycho. This image is calculated from the above image by correcting for the perspective distortion as a result of the spherical shape of the moon. Details: See previous image. |
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Scope: f=950mm Newton at f/D=20 Filters: 2x Milar + 1x Aluminum mirror. CCD: FT1020 in black/white mode Exp.: Sum of 25 images of 0.5sec Remarks: Unsharp masked. |