M41, Saturn and Jupiter taken on 14 Mar 2004

Post by **weixing** » Tue Mar 16, 2004 12:21 am

Hi,
I have taken the following images on 14 Mar 2004... the first clear night after days of raining day:

1) M41 - http://www.singastro.org/album_pic.php?pic_id=95
2) Saturn - http://www.singastro.org/album_pic.php?pic_id=94
3) Jupiter - http://www.singastro.org/album_pic.php?pic_id=93

By the way, the jupiter image seem to capture some features that I was not familiar with. Did you spot the three "spike" that on the "right" band?? Did those who have a larger scope see this features before... I never see this feature on any of my previous Jupiter image.

Have a nice day.

harlequin2902 · Post by **harlequin2902** » Tue Mar 16, 2004 1:06 am

Wow, nice images.

What camera settings did you use to capture M41 ?

Post by **Airconvent** » Tue Mar 16, 2004 1:20 am

Hi Weixing
Nice Pics.
I don't see the 3 spikes you mentioned but then again...I never see the small details people mentioned at all! Ask CC!

Saturn looks great. Perhaps you may want to rotate the picture so that it has a more pleasant orientation?
Also, can you please include one sample of your raw photo for all your efforts so we can do a comparison between stacked and unstacked?
Thanks!

rich

Post by **weixing** » Tue Mar 16, 2004 1:26 am

Hi,
No space in the image to put the information. The below are the details:

Object: M41 (14 Mar 2004 14:29 UTC)
Telescope: Sky-Watcher 150 F5 Newtonian
Eyepiece: Eyepiece Projection Using William Optics 4337 40mm (19x)
Camera: Nikon CoolPix 4500 (2x Optical Zoom)
Remark: Single Images With Dark Frame Substraction

Camera Setting:
SHUTTER : 30.80sec
APERTURE : F3.8
EXP +/- : 0.0
FOCAL LENGTH : f19.7mm(X1.0)
IMG ADJUST : STANDARD
SENSITIVITY : ISO400
WHITEBAL : SUNNY
SHARPNESS : OFF
SATURATION : 0

Have a nice day.

Post by **weixing** » Tue Mar 16, 2004 2:30 am

Hi,
OK. The below are the single image of Saturn and Jupiter. The M41 was already a single image(30 seconds exposure).

1) Saturn - http://www.singastro.org/album_pic.php?pic_id=89
2) Jupiter - http://www.singastro.org/album_pic.php?pic_id=90

The below is the jupiter image that I perform more sharpening to make the three "spike" more obvious and also mark out the area:
http://www.singastro.org/album_pic.php?pic_id=91

Have a nice day.

lsy_98 · Post by **lsy_98** » Wed Mar 17, 2004 12:28 pm

Hi Wei Xing,
I hope this is an error typing. Yours Jupiter object is taken on 21 Mar 2004? Don't tell us that you have a time mechine. hahaha......

Post by **weixing** » Wed Mar 17, 2004 1:17 pm

Hi,
Oops... It a text "Cut and Paste" error... :oops:

Anyway, "text" updated and move the images to the main Album.

Have a nice day.

rlow · Post by **rlow** » Wed Mar 17, 2004 2:11 pm

By the way, the jupiter image seem to capture some features that I was not familiar with. Did you spot the three "spike" that on the "right" band?? Did those who have a larger scope see this features before... I never see this feature on any of my previous Jupiter image.

hi Weixing

I briefly observed those 'spike' Jovian features on Sam's scope during one particular moment of excellent seeing on 14 Mar 2004 at around 11pm. I did mentioned to those around that the details were distinct then. I remembered the scope was used with a TV Radian 10mm and TV 2x barlow then.

regards
rlow

harlequin2902 · Post by **harlequin2902** » Wed Mar 17, 2004 5:15 pm

Yes, I saw it too at around 12am when you guys had left. I knew that I saw something in between the bands but there was't anyone else left to confirm with. Zong Yao : Remember that feature in between the bands I was trying to point out to you ?

Weixing : If you stack more images, would the contrast on that feature be better ?

Post by **weixing** » Wed Mar 17, 2004 10:42 pm

Hi,
I think to improve the contrast of that feature, I need to really push all the wavelet setting to maximum... and that will make the whole image very "unreal". Anyway, the feature will be better if you "zoom out".

Have a nice day.