Spiral Galaxy M81 in Ursa Major - a photo on Flickriver

            This image is a combination of image data taken a few nights last week, with image data that I had collected last year.

I don't use a stacking program for images taken though my telescope. Instead, I push the brightness and contrast of every image, and carefully align them by hand, and stack them as layers in Paint Shop Pro. I save them in stacks of 10, and then stack the 10s the same way.

I also don't use dark frames or flat frames or any other frames other than the images themselves. 

When it comes to guiding, I do that by hand too. I stick a QHY camera down an off-axis guider tube and run that video into a laptop. Then I bring up either Sharpcap or NINA, and put a bullseye overlay over the video. Then I watch which way the guide star drifts, and push buttons on my hand controller. So now i can take longer exposures, and it seems to work just fine, as all of my 200 second images had nice round stars.

Taken on: February 5, 2024

Tags:

M81

Astrophotography

Ursa Major

Meade

2120 LX5

Canon

T2i

stars

sky

Astronomy « less

Sets appears in: • Astrophotography

Groups appears in: • Astrophotography - Astronomy - Astrophysics • Astronomy more » • Deep Space Astrophotography • BBC Sky at Night and Stargazing Live • Astrophotography - The Solar System and Beyond « less

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