Flame Nebula

[limber cargo]

150/750, ZWO ASI585MC,
0.3s exposures,
2.5m exposure total :3

[dawn jewel]

Your stars aren’t round, which I thought is impossible with just 0.3 ms and your focal length.
Did you have any other frames with longer exposures in your stack?

[dawn jewel]

And, are you sure it’s 0.3 ms, not 0.3s? With ms you would get 450k frames for 2.5minute exposure

[limber cargo]

yep meant 0.3s

blurx'd result

[nova sundial]

what do you gotta do to get 8 diffraction spikes? haha You got a cool secondary mirror holder?

[limber cargo]

yea xD

i have 8 so its easier to recognise

like a watermark

[nova sundial]

lmao I should be corrupted and put like 16 or something haha

[limber cargo]

you should remove 2 of the holders for your secondary

and add 2 peices of string in a tight x

[nova sundial]

I will say this though, its either your stacking software didn't work and gave you diffraction spikes that are not lined up, or your telescope is not collimated

[limber cargo]

to create a cool spike

[limber cargo]

its how the the light refracts off of the spider

its being split in 2

which is goof

or i smacked my telescope