Hi All,

Got around to making the closeup of the “Headphone” nebula last night.

After making a great effort to focus, get the PHD to work and eventually finding the planetary, I started imaging at 10.45pm. Above is the first result of 12x 5 minute subs. I tried stacking in DSS but it wouldn’t have it as it said there were too few stars! So I moved to Maxim DL where I auto aligned and stacked. This is the result. Extremely disappointed. As before, I have the star drift problem. In the past I have blamed this on: Poor Polar alignment, Focus, Reflection off the Spider, PHD not being very accurate.

Then I noticed that none of the subs seemed to have any drift. So I went back into Maxim DL and MANUALLY aligned all 12 subs. I then stacked these and the result is:

It would appear that the auto stack in both DSS and Maxim DL has been the problem all along.

I have taken more subs on this so will go back and add them then process using MANUAL align.



1 Response

  1. Appreciate the stacking problem must be frustrating, but it’s brilliant to have snagged such a relatively obscure and faint object.

    Quite bemused by your stacking problem. If you wanted to experiment, it might be interesting to see how the data stacks with different kit or parameters. If you wanted to share your data with me happy to have a go and see if I got the same result.

    PS ref your other post- I really love Astrobiscuit videos. Both the colliding galaxies and the binoculars and smartphone videos that he’s done are very good.

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