M 28 - ngc 6626 - 2014

[jsmoraes]

GSO 305 mm - Canon T3 - ISO 400 - 8 x 3 min (24 min) - AOG - Skyglow filter - Coma corrector

http://www.astrobin.com/133085/

[cometcatcher]

Nice one Jorge. :thumbsup: I see Mars will be in the same field as this cluster in 2 days time. Will you be doing an image of both then?

[Rex]

Well done Jorge, nice star colours mate!

[LightningNZ]

Nice one Jorge. M28 through a large telescope is a great sight.

[jsmoraes]

Thank you, Rex and Cam. This capture has better focus than the other done in 2013 : http://astronomia-e-astrofotos.1069742.n5.nabble.com/M-28-NGC-6626-td1070.html

No, Kevin. My FOV is around 44.8' x 29.8' and at that day and hour Mars was very more distant.
The FOV is a big limitation of my set: 305 mm f/4.7 + GSO 2" Coma Corrector (with barlow effect of 1.14x), Skyglow filter with a little barlow effect and sensor Canon T3 (1100D).

My actual focal distance is around 1700 mm.

I can not to use focal reduction because of focal distance. With one of 0.5x 2" the camera Canon needs to be inside the telescope ! And I already did a cut of 35 mm of OTA, to get focus with standart set of Canon.
The thin OAG and filter wheel do this task more difficult !

Some DSOs only with mosaic ressource.