mandag 28. mars 2022

A flare on monday 28/3-2022

There were a lot of fleeting clouds, but I just wanted to try out some timelapse. Big was my surprise when I suddenly saw a bright flare totally overexposing part of the chip. Unfortunately, the clouds made most of the flash out of reach. But I managed to get about half of the images bright enough to be used. And the rest had variable brightness, making it difficult. And the dark images made the timelapse jump at times. But it is nice after all.

Tech det : 5" homemade h-alpha telescope, ASI178MM camera, gain 150, 2.5ms exposure, stacked with AS!3, sharpened and aligned with imPPG, animated with PIPP.

 



Active sunspot

 The skies were semi-clear on saturday the 26 of March, so I set up my 5 inch homemade h-alpha scoep to catch a timelapse of a new, fairly large sunspot. And it was indeed active. The following timelapse was recorded over two hours around noon. I tried to color the images, but was never happy with the result, so I left it black and white.

Tech det : 5" h-alpha telescope, ASI178MM gain 150, exp 3ms. Stacked in AS!3, sharpened and aligned in imPPG and animated in PIPP.





tirsdag 15. mars 2022

It's alive!

 The Sun is definitely alive. Despite some passing clouds, I managed to capture a flare erupting. The following is a video made from images captured of\ver a period of about 1.5 hours. I had to delete some of the images due to the clouds partly obscuring the view. This made the video cleaner.

Tech details : Homemade 5" h-alpha telescope, ASI178MM gain 200, 500x2ms exposures. Captured using Firecapture, stacked using AS!3. Sharpened and aligned with imPPG. Colorized using Irfanview. Animation created with PIPP.

 


 

mandag 14. mars 2022

Trying out my new 5" h-alpha telescope

I had an idea a few years ago on how to build a large H-alpha telescope. Due to the pandemic and other reasons, I didn't finish it until lately. I have had to make some modifications and adjustments, but now it seems to be working. So I have now moved up from a Lunt 35 to a 127mm homemade beast. And MAN, apert

re is king! I struggled to focus properly due to the long focal length, and a lot of turbulence. But I finally got there, and the following is the result. I would say I am happy with this...

Tech details : 127mm homemade h-alpha telescope. ASI178MM camera, 1560x1560 crop. 1000x3ms exposures. Recorded with SharpCap, stacked using AS!3, sharpened in imPPG and color and unsharp masking in Gimp. 

The images show without and with the sharpening. I am not sure which one I like the most. Without Unsharp Mask is softer, but with, it becomes more "dramatic". Click on the image to view full size!