Search found 175 matches

by cuivenion
Sun May 19, 2019 4:23 pm
Forum: How do I?
Topic: Bias Frames
Replies: 7
Views: 162

Re: Bias Frames

It looks like you can't do that at the moment, but to be fair the flats capture facility is meant for live stacking, which usually means higher gain, so your flats should be quite short exposure anyway. In this case bias frames should work fine. The option to choose the exposure time and do flat dar...
by cuivenion
Sun May 19, 2019 3:42 pm
Forum: How do I?
Topic: Bias Frames
Replies: 7
Views: 162

Re: Bias Frames

Hi, there is the option to capture bias when using Sharpcaps flat capture facility:

http://docs.sharpcap.co.uk/3.2/26_Captu ... Frames.htm
by cuivenion
Sun May 19, 2019 2:52 pm
Forum: How do I?
Topic: Bias Frames
Replies: 7
Views: 162

Re: Bias Frames

Bias frames can be used to calibrate flats, but only very short exposures (milliseconds). If your flats are 1/4 second or longer I would use flat darks. To be honest I always use flat darks anyway, it doesn't take long to set the exposure to the same length as your flats.
by cuivenion
Fri Apr 12, 2019 5:03 am
Forum: General Discussions
Topic: Brain giving strange results
Replies: 21
Views: 636

Re: Brain giving strange results

Looks like it's working ok now. Thanks again.
by cuivenion
Thu Apr 11, 2019 10:01 pm
Forum: General Discussions
Topic: Brain giving strange results
Replies: 21
Views: 636

Re: Brain giving strange results

Thanks Robin. Much appreciated.
by cuivenion
Thu Apr 11, 2019 4:39 pm
Forum: General Discussions
Topic: Brain giving strange results
Replies: 21
Views: 636

Re: Brain giving strange results

To be fair ippiu those screen shots were taken with the older build, not the new one. I was out imaging when that came out.
by cuivenion
Thu Apr 11, 2019 6:47 am
Forum: How do I?
Topic: quick brain question
Replies: 2
Views: 132

Re: quick brain question

Thanks Robin. I went for 10% in the end , but I was still getting odd results from the brain so I ended up using the normal histogram
by cuivenion
Thu Apr 11, 2019 6:44 am
Forum: General Discussions
Topic: Brain giving strange results
Replies: 21
Views: 636

Re: Brain giving strange results

Hi, I didn't see the new build before I imaged tonight but heres the results I got using the previous 3.2 build:
unitygain.png
unitygain.png (534.45 KiB) Viewed 188 times
maxdynamic.jpg
maxdynamic.jpg (377.49 KiB) Viewed 188 times
Hope thats helpful.
by cuivenion
Wed Apr 10, 2019 4:34 pm
Forum: How do I?
Topic: quick brain question
Replies: 2
Views: 132

quick brain question

When using the Histogram brain what Read Noise Limit is usually the best to choose? I can choose from 1,5, and 10% as I remember.
by cuivenion
Sat Mar 30, 2019 2:32 am
Forum: General Discussions
Topic: Brain giving strange results
Replies: 21
Views: 636

Re: Brain giving strange results

Cheers Robin hopefully I'll be next week when I can test it out.