Do Not Like The Look of These Integrations

generalt001

I want your professional opinions on the quality of the subs that my ASI1600 Pro is providing. I have returned the camera once for issues and it was returned a few months ago. I am still finding that the images it produces are not correct. If you zoom in abit on the background it is very mottled (grey and black, sorta marbled looking). Could you please have a look at the attached files and tell me what you think. Is this the way these should look? It is a total of 182 30sec Lum subs with each 3rd frame being dithered. I am using an AP1100GTO mount and tracking and guiding are quite good.

One of them is just a straight registration/alignment, with no calibration (flats/darks/bias) - M82_Raw_Integrated_Dat

One of them has been calibrated - M82_Calibrated_Data

M82.JPG

https://www.dropbox.com/s/6f5kgfeeah2cwv9/M82_Raw_Integrated_Data.fit?dl=0

https://www.dropbox.com/s/88thj5m2eclos38/M82_Calibrated_Data.fit?dl=0

Support@ZWO

Please take a gain=300, original flat frame, Brightness=30000ADU and put it on dropbox, thank you very much.

generalt001

Hi,

Attached are the Flat frames requested. They are at 300 gain and 30,000ADU, one of them is .37sec and the other is 1.94sec:

https://www.dropbox.com/s/1yhuj7n4lpwcq7o/300_Gain_Flat_0.37sec_-20C_Lum_2018-04-16_0001.fit?dl=0

https://www.dropbox.com/s/ygrqafx0hef2c6w/300_Gain_Flat_1.94sec_-20C_Lum_2018-04-16_0001.fit?dl=0

generalt001

Any update?

Support@ZWO

We Checked the new flat images, but it is quite normal. we still working on it.