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acr_astro

Natural charcoal sketch of the H alpha sun, 2019-06-14

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Posted (edited)

Dear all,

today I had a look at the GONG H alpha network monitor (http://halpha.nso.edu/) and figured out that the filaments of the past week have now reached the solar limb and at least the final one of it appeared as wonderful set of prominences. On my left/right-mirrored sketch this is the one in the lower left sector - if I consider the 5 hours difference of daytime compared with the previous sketches correctly. So, here's the sketch:

20190614_Sun_H_alpha_small.JPG.e3e27814eb9e15b9f19b341cd2c38773.JPG

 

Telescope: Lunt LS 50 THa B600 PT
Eyepiece: Celestron X-cel 10mm
Date & Time: June 14th, 2019 / 1500-1530 CEST
Location: home terrace, Dusseldorf region, Germany
Technique: natural vine charcoal on white Hahnemühle Ingres mould-made pastel paper
Size: 24x31cm

Clear (and sunny) skies!

Achim

Edited by acr_astro
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  • Similar Content

    • By acr_astro
      Dear all,
      as usual, I couldn't resist to create yet another charcoal sketch of the H alpha sun. It is relaxing for me to observe the proms and filaments and to try to catch them "as they are" on the paper. At first glance, the sun looks pretty similar - just at second glance and comparison with my other sketches, I have seen that it looks similar but always a bit different. The disc and the prominences are done with natural charcoal, just for the filaments, I needed a Koh-i-Noor artificial charcoal pen since it's darker.

      Telescope: Lunt LS 50 THa B600 PT
      Eyepiece: Celestron X-cel 10mm
      Date & Time: July 1st, 2019 / 1015-1045 CEST
      Location: home terrace, Dusseldorf region, Germany
      Technique: natural vine charcoal and Koh-i-Nor charcoal pen on white Hahnemühle Ingres mould-made pastel paper
      Size: 24x31cm
      Clear (and sunny) skies!
      Achim
       
       
    • By acr_astro
      Dear all,
      today morning I had a look at the GONG network images on the internet and set up my telescope to have a look at that awesome large prominence on the southeastern limb of our home star. First I concentrated on a sketch of just that wonderful prominence. After that, I created - as usual - a sketch of the full solar disc. I noticed that the prominence already had changed during my sketching time.

       

      Telescope: Lunt LS 50 THa B600 PT
      Eyepiece: TS HR Planetary 7mm
      Date & Time: June 28th, 2019 / 1045-1145 CEST
      Location: home terrace, Dusseldorf region, Germany
      Technique: natural vine charcoal on white Hahnemühle Ingres mould-made pastel paper
      Size: 24x31cm 
      Clear (and sunny) skies!
      Achim
    • By acr_astro
      Dear all,
      these days we have a sunny and hot summer over here. Today I tried to capture the "aura" of the sun caused by some dust in our atmosphere when doing the pastel sketch of the H alpha solar disc. I spent almost half an hour with the solar disc and its aura and then just 15 minutes for the proms and filaments. So here's the result:

       
      Telescope: Lunt LS50THaB600PT
      Eyepiece: Celestron X-cel 10mm
      Date & Time: June 26th, 2019 /1030-1115 CEST
      Location: home terrace, Dusseldorf region, Germany
      Technique: red and orange Koh-i-Noor pastels and pastel pens on black Canson Mi-Teintes pastel paper
      Size: 24 x 32 cm
      Clear (and sunny) skies!
      Achim
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