Jump to content

Stargazers Lounge Uses Cookies

Like most websites, SGL uses cookies in order to deliver a secure, personalised service, to provide social media functions and to analyse our traffic. Continued use of SGL indicates your acceptance of our cookie policy.

sgl_imaging_challenge_banner_terminator_challenge_winners.thumb.jpg.6becf44442bc7105be59da91b2bee295.jpg

coatesg

99% illuminated moon mosaic in 18 frames

Recommended Posts

I took this image on the 4th Nov over the space of about half an hour from 2215UT. This mosaic is made from 18 frames, each of them is 3000 frames, with the best 12% stacked within Autostakkert2. Total data size was 52.6GB - all using an ASI120MM through a 350mm newt at f4.52 with a 742nm nr-IR filter.

Each of the frames was processed identically in Registax6 with Wavelets, etc. and then saved as a fits file. At this point, I took the images into ICE and combined them into one large mosaic, and then post processed in PS (levels, slight smart sharpening, curves and background levels). I did also try using photomerge in PS CS4, but interestingly, ICE did a better job (marginal, but there were a couple of edge artifacts with photomerge). 

Beware for those on slow connections: the full size file is quite big at 7.3MB, even as a jpg...thanks for looking!

Moon_ice_stitch_proc.thumb.jpg.499ed08dd912c7c67b38279a7349a010.jpg

Edited by coatesg
  • Like 14

Share this post


Link to post
Share on other sites

Nice panorama! (As perhaps some of you have noticed, I especially like moon panoramas. :smiley:) This one shows much detail and covers the North Pole region very well.

My first thought was: How is it possible that you covered the full moon with just 18 frames, using a 14" telescope. But then I realized that the camera was probably at prime focus of the short Newtonian. That makes sense. With my C11, using the same camera, I need at least 60 frames!

I agree that photomerge in PS isn't a good choice. I got the best results with Panorama Studio 3 Professional. But your result with ICE is very good as well. I didn't see any merger artefacts. Very good!

- Rolf

Share this post


Link to post
Share on other sites

Thanks Rolf! Yes - a fast-ish Newtonian: less frames, but doesn't make the collimation easy compared to say an SCT! I'm also probably a bit more liable to local air currents (though being a truss, it does cool a bit quicker and doesn't have currents passing up a tube). Mirror needs another clean though...

I'll take a look at the trial version of Panorama Studio - ICE worked well here, but there doesn't seem to be a lot of control over the way the images are stitched - there are a couple of slightly soft areas which would be good to revisit, but I think I perhaps needed a bit more overlap between frames in a couple of places. 

I also need to have a look at your Firecap plugin! Very impressive work and have downloaded it already, but I didn't have a huge amount of time to look at getting it working - next full moon I'll see if I can get the process automated! Cheers!

Edited by coatesg

Share this post


Link to post
Share on other sites
On 07/11/2017 at 00:03, coatesg said:

I took this image on the 4th Nov over the space of about half an hour from 2215UT. This mosaic is made from 18 frames, each of them is 3000 frames, with the best 12% stacked within Autostakkert2. Total data size was 52.6GB - all using an ASI120MM through a 350mm newt at f4.52 with a 742nm nr-IR filter.

A really excellent image, I love being able to scan over the full moon at this level of detail.

  • Like 1

Share this post


Link to post
Share on other sites
51 minutes ago, coatesg said:

Thanks Rolf! Yes - a fast-ish Newtonian: less frames, but doesn't make the collimation easy compared to say an SCT! I'm also probably a bit more liable to local air currents (though being a truss, it does cool a bit quicker and doesn't have currents passing up a tube). Mirror needs another clean though...

I'll take a look at the trial version of Panorama Studio - ICE worked well here, but there doesn't seem to be a lot of control over the way the images are stitched - there are a couple of slightly soft areas which would be good to revisit, but I think I perhaps needed a bit more overlap between frames in a couple of places. 

I also need to have a look at your Firecap plugin! Very impressive work and have downloaded it already, but I didn't have a huge amount of time to look at getting it working - next full moon I'll see if I can get the process automated! Cheers!

Hi Graeme,

Newtonians usually give better image quality as compared to SCTs of the same size. They need a stronger mount, though. For my Vixen Sphinx the C11 is, therefore, easier to handle. Otherwise I would love to use a large Newtonian, too. :sad:

Panorama Studio Professional 3 gives you lots of control. For example, you can edit the keypoints which are used to stitch the images together. But even in fully automatic mode it usually works very well. As far as I remember only the "professtional" version supports 16bit, which of course is important.

If you want to experiment with MoonPanoramaMaker, I very much recommend that you first get familiar with the process using the ASCOM telescope simulator and Stellarium. The exact details are described in the "Cloudy Nights" thread. Taking panoramas fully automatically is a complicated process. One should be well prepared when first trying this at the telescope.

All the best,

 Rolf

Share this post


Link to post
Share on other sites

Great image, incredible clarity all over. :) 

  • Like 1

Share this post


Link to post
Share on other sites

  • Recently Browsing   0 members

    No registered users viewing this page.

  • Similar Content

    • By TakMan
      Sunday 30th June.
      NLCs started appearing as the skies cleared around 1.45am.
      Grabbed gear and headed off around 2.15am to the same location as last two sessions. Another 90 shots taken!
      Nikon D3 and Nikkor AF-S 70-200mm f/2.8G ED VR II, tripod mounted, cable release and mirror lock function.
      Lightly processed in Adobe Lightroom and (where required), stitched shots together in Photoshop CC2017
      Taken from north Lichfield (Staffordshire).
      Clicking the pictures should open the hi-res images.
      Panoramic 1 - 7 shots. ISO 200, 2.5 sec, f/2.8, 70mm, 2.56am. Note over in the far right the Pleiades.

       
      Panoramic 2 (Detail) - 4 shots. ISO 200, 2.5 sec, f/2.8, 200mm, 3.01am

      'The Saucepan and NLCs' - Single shot - (Nikkor AF-S 24-70mm f/2.8G ED). ISO 200, 2 sec, f/2.8, 24mm, 3.22am

       
      Started to pack away just as 'Mr Blackbird' started to sing - the dawn chorus broke.... then noticed a beautiful sight over in the East, switched back to the Nikkor AF-S 70-200mm f/2.8G ED VR II and added the TC-14EII 1.4x
      A 7% Crescent Moon.
      Single shot - ISO 200, 0.8 sec, f/4, 280mm, 3.28am

       
      Damian
       
    • By Ruud
      Yesterday's Moon with the straight wall. Rupes Recta (middle right) and the crater Pitatus (bottom left).

    • By acr_astro
      Dear all,
      yesterday evening, I started observing the moon and sketching crater Copernicus even 15min before sunset. The contrast on the moon wasn't perfect yet, but on the other hand the contrast on the sketching paper was better - no need for LED.  Copernicus with its prominent ray system is wonderfully appearing on the full moon but this time I just concentrated on the 96km crater itself:

      Telescope: Celestron NexStar 127SLT
      Eyepiece: ExploreScientific 6.7mm/82°
      Date & TIme: June 12th, 2019 / 2130-2230 CEST
      Location: home terrace, Dusseldorf region, Germany
      Technique: Koh-i-Noor chalk and charcoal pens on black sketching paper
      Size: appr. 30x30cm
      Looking in my filed skeches, I figured out that I have visited Copernicus five years ago. Here's a comparison of the two sketches showing some changes in technique:

      Clear skies!
      Achim
       
    • By Miguel1983
      Hi,
      since i started work on my observatory there hasn't been much time for AP, but since lunar photography is done in minutes i had a go yesterday.
      Gear:
      SW AZGTI with the Skymax127 and Sony A6300 and Baader Neodymium Moon & skyglow filter.
      100 frames taken and 50% used to stack in autostackerd.
       

       
    • By barkingsteve
      c925 and 294mc pro bin 1  with ir/uv cut filter. 2 panel mosaic best 25% of 1,000 .   Had to convert to jpeg as i keep getting an error 200 when trying to upload a larger file. ( 50+ mb )  clicky for full rez.
       

       
      and a few with the 385c camera with neodymium filter and mostly barlowed.
       

       

       

       

       

       

       

       

       

       

×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.