Mars at its closest 30-May-2016

Taken @ 11:33pm MST on 30-May-2016 (0633UT on 31-May-2016). Although Mars was at opposition on the 22nd of the month, tonight it was at its closest to the Earth for this year. 

Best 30 of 300 frames taken with the Celestron NexImage5 planetary imaging camera, Celestron 1100 EdgeHD telescope, no barlow, fl = 1960mm. Image scale 0.23 arc-secs/pixel. Video processed in ImagesPlus6.5 with RGB color channels split, aligned and re-combined.

North is up and east is to the left (of course) :O).

20160530_Mars_CombRGB_IPadj-TPadj.jpg

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Mars in 2003

I was doing some video housecleaning this morning and came across some from the Great 2003 Mars Close Approach. So, I took one of the videos and used today's newer software to process.

 

See video at https://youtu.be/DYt87RIxO8I

 

See sky charts from 2003 and today - http://www.pbase.com/wjshaheen/mars_2003 

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Jupiter and Great Red Spot 28-May-2016

If you have a telescope, try to catch Jupiter in the next couple weeks while it's still overhead at a reasonable time in the evening.

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Mars at Opposition 22-May-2016

Taken @ 12:22am MST (0722 UT) on 23-May-2016. Although Mars was at opposition at this point, the red planet will be at its closest to the Earth on the 30th, but the size difference will be negligible, at best a few tenths of an arc-second. Current diameter is 18.4 arc-seconds (angular width). This was from the best 30 of 300 frames taken with the Celestron NexImage5 planetary imaging camera, Celestron 1100 EdgeHD telescope, no barlow, fl = 1960mm. Image scale 0.23 arc-secs/pixel. Video processed in ImagesPlus6.5. North is up and east is to the left.

See source video at https://youtu.be/4wIabDYpKyk

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Transit of Mercury 09-May-2016

 

 

 

You had to be there to see it - visually, through an eyepiece. But, if you couldn't, this is the next best thing. Other sizes here: http://www.pbase.com/wjshaheen/image/163182013/large



 

 

 

 

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Unchoking the Light

Replacing the adapter between the telescope and Off-Axis-Guider really opened up the light cone.

First night's test using the new PreciseParts adapter. See the full story and photos here.

See video showing how the part was designed on-line here.

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M27 - The Dumbell Nebula 20-Apr-2016

Distance 1,360ly, in Vulpecula

Telescope configuration: Celestron EdgeHD 1100 with the Celestron 0.7x focal reducer (fl=1960mm, f/7.0).
Camera: Nikon D5300. Exposures: 3 @ 5 min., Ambient temp 59f.
Image capture scale: 0.41 arc-sec/pixel (un-binned). Resized to 50% in ThumbsPlus. Final image scale/resolution 0.82 as/p. Field of view (horizontal) = 24.5 arc-min. Image capture using ImagesPlus Camera Control 6.0.
Mount: Orion HDX110 German equatorial mount. Autoguided with an SBIG Sti autoguider and a Celestron OAG (off-axis guider), with PHD2 autoguiding software, not dithered.
Post processing: ImagesPlus 6.5: NEF conversion and calibration, alignment, stacking/combining using 0 dark frames, a 5 bias frame master and 0 flat frames, Average combined. HDR Stretch, Curves and multiple enhancements in ImagesPlus. Cropped and resized to final dimensions, one pass unsharp mask, contrast, saturation, gamma in ThumbsPlus.

20160420_M27_CombAvg-IPddpadjnr-TPadj.jpg

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A Marvelous Coincidence

The Sun and Moon have nearly the same angular size a seen from Earth and so make total solar eclipses possible.

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M16 - The Eagle Nebula 13-Apr-2016

Distance 7,000 ly, in Serpens

Telescope configuration: Celestron EdgeHD 1100 with the Celestron 0.7x focal reducer (fl=1960mm, f/7.0).
Camera: Nikon D5300. Exposures: 3 @ 10 min., Ambient temp 56f.
Image capture scale: 0.41 arc-sec/pixel (un-binned). Field of view (horizontal) = 10.9 arc-min. Image capture using TSXPro Camera Add On (Software Bisque).
Mount: Orion HDX110 German equatorial mount. Autoguided with an SBIG Sti autoguider, a Celestron OAG (off-axis guider) and a Starlight Xpress SXV-AOLF (Adaptive Optics Large Format) device using PHD2 autoguiding software, not dithered.
Post processing: ImagesPlus 6.5: NEF conversion and calibration, alignment, stacking/combining using 0 dark frames, a 5 bias frame master and 7 flat frames, Min/Max Exluded Average combined. HDR Stretch, Curves and multiple enhancements in ImagesPlus. Cropped to final dimensions of 1600x1600. One pass unsharp mask, downsized 50% in ThumbsPlus. Final image scale/resolution 0.82 as/p).

20160413_M16_CombExcAvg-IPddpadj2-TPadj-IPnr-TP2.jpg

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Galaxy M66 in Leo 12-Apr-2016

Distance 36 ± 5.0 Mly

Telescope configuration: Celestron EdgeHD 1100 with the Celestron 0.7x focal reducer (fl=1960mm, f/7.0).
Camera: Nikon D5300. Exposures: 4 @ 10 min., Ambient temp 55f.
Image capture scale: 0.41 arc-sec/pixel (un-binned). Field of view (horizontal) = 19.4 arc-min. Image capture using TSXPro Camera Add On (Software Bisque).
Mount: Orion HDX110 German equatorial mount. Autoguided with an SBIG Sti autoguider, a Celestron OAG (off-axis guider) and a Starlight Xpress SXV-AOLF (Adaptive Optics Large Format) device using PHD2 autoguiding software, not dithered.
Post processing: ImagesPlus 6.5: NEF conversion and calibration, alignment, stacking/combining using 0 dark frames, a 5 bias frame master and 7 flat frames, Min/Max Exluded Average combined. HDR Stretch, Curves and multiple enhancements in ImagesPlus. Cropped to final size. Two passes unsharp mask, downsized 50% in ThumbsPlus. Final image scale/resolution 0.82 as/p).

20160412_M66_CombExcAvg-IPddpadj-TPadj.jpg

For camera conversion services, i.e., having your DSLR "IR Modded" (IR filter removed), visit Life Pixel Camera Conversion Services here