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View Full Version here: : Prawn nebula narrowband, 11hrs


jahnpahwa
10-09-2020, 06:26 PM
A mix of 300s and 600s subs at 139 gain on the zwo asi1600mm. 4+hrs Oiii, 3+hrs each of Sii and Ha.


Easily my longest integration. Learned some stuff, was goingto go deeper but then noticed focus issues so cut it off here. Still like the result

Craig_
10-09-2020, 06:30 PM
Beautiful, focus issues aside.

raymo
10-09-2020, 06:38 PM
If it weren't for the focus, that would have been a cracker. Get it? :D
raymo

Astronut07
10-09-2020, 06:55 PM
Very nice indeed!

:2thumbs:

jahnpahwa
10-09-2020, 08:02 PM
Ha! It took me a few moments :lol:


Thanks crew, i think that sticking with this for a while has given me the jolt to start being a bit more patient with things.


I said a few weeks ago that i needed to focus with each filter, but forgot to here. Thats definitely next thing to work on.

Sunfish
10-09-2020, 09:30 PM
That is some serious prawn. I note the Oiii time alone is a lot of exposure.
Well done.

RyanJones
10-09-2020, 10:22 PM
Well done JP. That’s a really nice rendition. You just can’t beat integration time. Each setup will have its point of limited returns. My 350d on my 8” tends to be around the 10hr mark. Having said this, taking more gives you the opportunity to be really selective on what quality subs create the final Image. Again, well done, it’s a very pretty prawn !

Wilsil
11-09-2020, 11:29 AM
Nice, what scope are you using?

jahnpahwa
11-09-2020, 02:52 PM
Thanks Ray and Ryan.

Wilsil, this was taken through a william optics zenithstar81 with flat6aiii, bringing it to around F5.5 and 448mm focal length.