Search found 14 matches
- Mon Aug 13, 2018 3:00 pm
- Forum: Deep Sky Imaging
- Topic: Artifacts with dark frame subtraction
- Replies: 20
- Views: 9557
Re: Artifacts with dark frame subtraction
"Yes I see the artifacts. I am sure that Robin will solve." Certainly, hope so. The only reasons for me "upgrading" to the paid license of 3.1 is 2.9 would not recognize my ASI294MC Pro and I liked the convenience of real time dark frame subtraction. I hope the flat frame subtrac...
- Mon Aug 13, 2018 1:45 am
- Forum: Deep Sky Imaging
- Topic: Artifacts with dark frame subtraction
- Replies: 20
- Views: 9557
Re: Artifacts with dark frame subtraction
M22 Image deleted in last post
- Mon Aug 13, 2018 1:42 am
- Forum: Deep Sky Imaging
- Topic: Artifacts with dark frame subtraction
- Replies: 20
- Views: 9557
Re: Artifacts with dark frame subtraction
Brian, Unfortunately, I don't have an Autostakkert image for the image in the original posting. Actually there should have been two images in the original but for some reason the second image was not posted. Below is an image of M15 stacked images dark frame subtracted by SharpCap 3.1. For the M22 i...
- Sat Aug 11, 2018 4:52 pm
- Forum: Deep Sky Imaging
- Topic: Artifacts with dark frame subtraction
- Replies: 20
- Views: 9557
Artifacts with dark frame subtraction
I'm seeing the artifacts next to stars when acquiring DSO images with dark frame subtraction. I'm using a recently acquired ZWO ASI294MC-Pro. During my last imaging session I imaged without dark frame subtraction pre-processing then used the SharpCap dark frames along with flat frames using Autostak...