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Astrophotography and Sketching >> DSLR & Digital Camera Astro Imaging & Processing

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mmalik
Post Laureate
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Reged: 01/13/12

Loc: USA
Langrenus (crater) - Moon new
      #5502010 - 11/03/12 07:15 AM Attachment (70 downloads)

Langrenus (crater) - Moon. Oct 30, 2012

Langrenus is a prominent impact crater located near the eastern lunar limb. The inner wall of Langrenus is wide and irregularly terraced, with an average width of about 20 kilometers. There is a bright, fragmented ray system spread across the mare to the west. The crater floor is covered by many boulders, and is slightly irregular in the northwest half. The central peaks rise about 1 kilometer above the floor, and a peak on the eastern rim ascends to an altitude of 3 km. [Wikipedia]

•ISO 100
•Shutter 60
•Single (video) frame ('A' Grade)
•Movie Crop 640, 60 frames/sec mode
•Canon 60Da/2.0x Powermate/254mm TMB APO/elCapitan
•Full frame
•Moon 99% (14 day)

Processing Workflow:
(Instructions here..., courtesy Mike Unsold of ImagesPlus)
•MOV to SID conversion in ImagesPlus 5.0
•Grade/Align/Combine in ImagesPlus 5.0 [Sigma Clip Avg.]
•Multiresolution Smooth-Sharpen in ImagesPlus 5.0
•Minor Curves, and Contrast in Photoshop Extended CS6


Combined/Unprocessed FITS
here...

<--North


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Maverick199
Postmaster
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Reged: 02/27/11

Loc: India
Re: Langrenus (crater) - Moon new [Re: mmalik]
      #5502421 - 11/03/12 01:29 PM

Good to see a different type of image, well done!

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Mike Unsold
Vendor, MLUnsold - ImagesPlus
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Reged: 05/21/09

Re: Langrenus (crater) - Moon new [Re: mmalik]
      #5503458 - 11/04/12 06:44 AM

Quote:

Langrenus (crater) - Moon. Oct 30, 2012

Langrenus is a prominent impact crater located near the eastern lunar limb. The inner wall of Langrenus is wide and irregularly terraced, with an average width of about 20 kilometers. There is a bright, fragmented ray system spread across the mare to the west. The crater floor is covered by many boulders, and is slightly irregular in the northwest half. The central peaks rise about 1 kilometer above the floor, and a peak on the eastern rim ascends to an altitude of 3 km. [Wikipedia]

•ISO 100
•Shutter 60
•Single (video) frame ('A' Grade)
•Movie Crop 640, 60 frames/sec mode
•Canon 60Da/2.0x Powermate/254mm TMB APO/elCapitan
•Full frame
•Moon 99%

Processing Workflow: (Instructions

<-- North




The image has a natural look. Very well done.

Mike


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mmalik
Post Laureate
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Reged: 01/13/12

Loc: USA
Re: Langrenus (crater) - Moon new [Re: Mike Unsold]
      #5504990 - 11/05/12 06:49 AM Attachment (19 downloads)

Thanks Maverick/Mike U.

Larger image from the same night with area shown above marked with an arrow:

<-- North


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fco_star
Pooh-Bah
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Reged: 12/13/10

Loc: Texas, Midland
Re: Langrenus (crater) - Moon new [Re: mmalik]
      #5505115 - 11/05/12 09:10 AM

wow... it is like been there

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mmalik
Post Laureate
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Reged: 01/13/12

Loc: USA
Re: Langrenus (crater) - Moon new [Re: fco_star]
      #5506330 - 11/06/12 04:37 AM

Thanks Francisco; it sure feels like that.

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NeilMac
Carpal Tunnel


Reged: 09/25/10

Loc: MedHat, AB, Canada
Re: Langrenus (crater) - Moon new [Re: mmalik]
      #5507373 - 11/06/12 06:46 PM

Whats a single frame look like before stacking?

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mmalik
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Reged: 01/13/12

Loc: USA
Re: Langrenus (crater) - Moon new [Re: NeilMac]
      #5507554 - 11/06/12 09:15 PM

Neil, pic in the first post is SINGLE frame [Grade A]; no stacking was done since individual frames looked better than stacked one.

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bouffetout
scholastic sledgehammer


Reged: 11/21/12

Loc: Canada
Re: Langrenus (crater) - Moon new [Re: mmalik]
      #5545867 - 11/29/12 05:15 PM

awesome photo dude ! congrats !

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NeilMac
Carpal Tunnel


Reged: 09/25/10

Loc: MedHat, AB, Canada
Re: Langrenus (crater) - Moon new [Re: mmalik]
      #5545959 - 11/29/12 06:19 PM

Quote:

Neil, pic in the first post is SINGLE frame [Grade A]; no stacking was done since individual frames looked better than stacked one.




Interesting, in all my attempts, stacking has never been as good as a single frame. Might be just for vids of allot of frames to work well.


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mmalik
Post Laureate
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Reged: 01/13/12

Loc: USA
Re: Langrenus (crater) - Moon new [Re: NeilMac]
      #5546600 - 11/30/12 02:16 AM

Quote:

Quote:

Neil, pic in the first post is SINGLE frame [Grade A]; no stacking was done since individual frames looked better than stacked one.




Interesting, in all my attempts, stacking has never been as good as a single frame. Might be just for vids of allot of frames to work well.




Thanks Maxx.

Neil, my take is that stacking of video frames will only be good in perfect seeing conditions; atmospheric rippling, in my opinion, produces stacked video images that are worse looking than a good/perfect single video frame. I doubt stacking a lot of video frames of bad seeing conditions will work either. Just my thoughts; will let folks weigh in. Thx


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NeilMac
Carpal Tunnel


Reged: 09/25/10

Loc: MedHat, AB, Canada
Re: Langrenus (crater) - Moon [Re: mmalik]
      #5547117 - 11/30/12 12:30 PM

I also find that they dont align the images, their all over the place. I end up cropping them in PS so their centered. Spent many hours and have never seen a good result except the very first time I used a 230mm mov to capture Jupiter.

It is amazing see the undulations that move over the Moon, at low times, would make a nice movie.

Edited by NeilMac (11/30/12 12:32 PM)


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mmalik
Post Laureate
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Reged: 01/13/12

Loc: USA
Re: Langrenus (crater) - Moon new [Re: NeilMac]
      #5547561 - 11/30/12 05:30 PM

Quote:

I also find that they don’t align the images, their all over the place.




True; not the software fault per se, ripples moving across from frame to frame are understandably hard to align.


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