Mare Crisium test shot and early labour day Moon

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weixing
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Posts: 4708
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Favourite scope: Vixen R200SS & Celestron 6" F5 Achro Refractor
Location: (Tampines) Earth of Solar System in Orion Arm of Milky Way Galaxy in Local Group Galaxies Cluster

Mare Crisium test shot and early labour day Moon

Post by weixing »

Hi,
Took during the observation session on the early morning of labour day as the sky was too bright to do any other observation after the Moon had rise. Anyway, it's a good chance to test my new eyepiece, so I shoot the Mare Crisium region using eyepiece projection without the coma corrector and the result was very bad... [smilie=depressed.gif]
I think the coma and the bad seeing "kill" the image, but the Mare Crisium which in the centre was still usable... Next time will use with coma corrector. So below is the image:

Mare Crisium (the "Sea of Crises")
Image
Size: around 638 x 638km

Setting:
Camera: Canon 450D using eyepiece projection
Telescope: Vixen R200SS 800mm F4
Eyepiece: 8mm eyepiece (~100x)
Exposure: 1/30s
ISO: ISO 400
Stack: 32 shots

Below is the whole Moon took with coma corrector an hour later when the seeing was slightly better:
Moon Day 17
Image
The Mare Crisium of the above is on the top right of this image.

Setting:
Camera: Canon 450D at prime focus
Telescope: Vixen R200SS 800mm F4 with Coma Corrector
Exposure: 1/320s
ISO: ISO 100
Stack: 100 shots

Have a nice day.
Yang Weixing
:mrgreen: "The universe is composed mainly of hydrogen and ignorance." :mrgreen:
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Aaron
Posts: 42
Joined: Wed Nov 05, 2008 11:14 am

Post by Aaron »

Great Shot Weixing
here is my attempt on 1st may moon, not clear like yours.

scope:LXD75
2x barlow
camera: Canon 300D mod
1 shot only no stacking
image process with photoshop

Image

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this one with 10 pic stacking with registax
and processed with photoshop

Image

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weixing
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Posts: 4708
Joined: Wed Oct 01, 2003 12:22 am
Favourite scope: Vixen R200SS & Celestron 6" F5 Achro Refractor
Location: (Tampines) Earth of Solar System in Orion Arm of Milky Way Galaxy in Local Group Galaxies Cluster

Post by weixing »

Hi,
IMHO, I think the first one is a bit over process... the contrast seem to be too high.

The second one is very good, but I prefer the "sea" on the Moon to be a bit smoother, so I usually avoid sharpen too much.

Have a nice day.

PS OT: How's your project?? Completed?? :mrgreen:
Yang Weixing
:mrgreen: "The universe is composed mainly of hydrogen and ignorance." :mrgreen:
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Aaron
Posts: 42
Joined: Wed Nov 05, 2008 11:14 am

Post by Aaron »

Thanks Weixing,
I agree, first one overexposed contrast. Had no time to play with photoshop.
My project still under process 80% done need few things more, must pump some $$ for finalize the project:(

Regards,
Aaron
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wintertriangle22
Posts: 134
Joined: Fri Oct 05, 2007 2:07 pm

Post by wintertriangle22 »

Good try... mare crisium with its smooth surface & few craters is one of my lunar favourites among others like tycho crater
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