Search found 6 matches

by MillHeyAstro
Sun Apr 09, 2023 9:17 pm
Forum: Altair Cameras
Topic: Issues with AA269C Pro and recent versions of Sharpcap
Replies: 2
Views: 6323

Re: Issues with AA269C Pro and recent versions of Sharpcap

Hi Robin,

Thanks for that, I have just tried the latest 4.1 beta and indeed indeed it seems to work well.

I will keep using the beta and keep an eye out for the 4.0 update.

Cheers,

Chris
by MillHeyAstro
Sat Apr 08, 2023 2:45 pm
Forum: Altair Cameras
Topic: Issues with AA269C Pro and recent versions of Sharpcap
Replies: 2
Views: 6323

Issues with AA269C Pro and recent versions of Sharpcap

I have just returned to astrophotography after an enforced break of 12 months. Before starting, I updated to the most recent version of SharpCap - Ver 4.0.9545.0 - 64 bit. I get a very weird effect as shown in the attached screenshot Sharpcap screen shot.jpg the camera is an Altair AA269C PRO. I am ...
by MillHeyAstro
Fri Nov 05, 2021 4:36 pm
Forum: Altair Cameras
Topic: 269c HCG and LCG
Replies: 2
Views: 4361

Re: 269c HCG and LCG

Hi Robin,

Thanks for the reply: that makes things clear. I will start off using the Sharpcap default. Once I have used that for a while, I may experiment as you suggest. I will let you know the reults when I do.

Cheers,
Chris
by MillHeyAstro
Fri Nov 05, 2021 11:23 am
Forum: Altair Cameras
Topic: 269c HCG and LCG
Replies: 2
Views: 4361

269c HCG and LCG

I have just run the sensor analysis on my Alatair 269c camera using ShapCap4.0.8185.0. From the read noise graph (attached), it would appear that the switchover from LCG to HCG is occurring at a gain of 2000. I thought that the switchover was supposed to happen arounfd a gain of 200. Is there anyway...
by MillHeyAstro
Sat May 15, 2021 7:43 pm
Forum: Altair Cameras
Topic: GPCAM2 290C Dropping Frames
Replies: 37
Views: 28694

Re: GPCAM2 290C Dropping Frames

Hi Smapo,
Good to hear that about the 183C Hypercam as that was on my upgrade pathway until I became aware of the bug with my 290.
by MillHeyAstro
Wed Apr 14, 2021 10:15 pm
Forum: Altair Cameras
Topic: GPCAM2 290C Dropping Frames
Replies: 37
Views: 28694

Re: GPCAM2 290C Dropping Frames

Hi Laurent, It is a very frustrating problem and I think must be a problem with the GPCAM2 firmware as it seems to occur in all multiple capture programmes and also in Linux. The one thing I have found that seems to solve the problem is to disable C-states as mentioned further up the discussion. The...