wide field Orion

[raymo]

My T-ring stuffed up last night, so I did a bit of wide field. My first try at
wide field stacking.
50mm [18-200mm zoom] @ ISO 400
2 x 180sec, 2 x 360sec, 1 x 420sec.
raymo

[niko]

nice bit of Barnard's Loop there too

[cometcatcher (Kevin)]

Nice one Ray. What F stop was the zoom set at?

[raymo]

Yes, I noticed it, Niko, although I wasn't actually trying for it.
Thanks Kevin, f 4.5, which is wide open at 50mm. I thought I'd
see how bad the aberrations were wide open, and was pleasantly surprised. It's range is 3.5-6.3.
raymo

[cometcatcher (Kevin)]

Okay thanks. I haven't tried my zoom widefield. I'll have to give it a go sometime.

[raymo]

Among all the other things you have to do sometime or other.
raymo

[cometcatcher (Kevin)]

Lol yeah the "to do" list is infinitely long and constantly derailed by comets.