LOHA AR1520 in Ha before it vanishes

[Photosbykev]

The weather was really pleasant Sunday morning so I dragged the LOHA 4" f11 PST stage 2 modified refractor out to have a play with AR1520

This is a stacked image from a one minute video captured on a DMK21 and the mount was tracked on the sunspot using the DSSR software.

The video was processed through Registax 6 and then I've upscaled the 640 x 480 image to 1280 x 960 using my preferred method in CS5 which is to increase the image size by 1% and repeat until the image is to the required size or the quality falls through the floor

To show the image on here I've resized back to my normal 1000px image.

[JB80]

Nice, I really wanted to have a go at this SS but it hasn't worked out. It's good to see some quality images though.

I have never heard of that method to upsize an image either, I might give it a go as I noticed a big quality drop last time I wanted to try that so I gave up.

[Photosbykev]

To me, the upsizing method I use makes sense. A lot of small steps rather than one big step. It's similar to the sharpening process I use, little and often

I haven't checked the difference between using drizzle and my technique, something to do for the next rainy day, oh that's today lol

I only did it to see what increase I could get from the standard image size of the DMK21 chip, it's a great little camera, very fast frame rate and sensitivity but the downside is the image size.

[Ibbo!]

Very nice Kev

much better than my 4am hamfisted processing

[Montana]

Superb work Kev well done!

Alexandra