Jupiter tonight (20 Apr2014)

行星、深空天體、星野攝影等
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Chanlunlun
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Jupiter tonight (20 Apr2014)

文章 Chanlunlun » 週二 22 4月, 2014 09:39

Jupiter was shot behind thin clouds. The transperancy was terribly low. I had to push the gain of the camera to maximum value and so the image obtained is rather grainy.

Telescope :- Celestron C-11 at f/25
Mount :- CPC1100+DIY equatorial wedge, reconstructed for full robotic maneuvering.
Barlow lens :- TeleVue 2.5X Powermate

Camera :- DBK21AU618 + ZWO IR Block filter
Capturing software :- SharpCap.
Stacking software :- Registax 5.0

Resolution=640x480
Frame Rate (fps)=30.00
Colour Space / Compression=YUY2
Exposure= 1/32 sec for 5000 frames.

Brightness=31
Hue=183
Saturation=152
Gamma=124
Gain=1023

North is up, East at left.

Image display size = 100% original, no cropping.
Site :- QC robotic observatory, Causeway Bay.

Sky stability :- 5/10 (fair)
Sky transparency :- 1/10 (extremely poor)
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Capture 4_20_2014 19_45_01_v6.jpg
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