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Helix LRGB, Triffid LRGB and Rosette NB mosaic
Helix LRGB, Triffid LRGB and Rosette NB mosaic
These are my first LRGB and tone map NB attempts with my modified truss scope and given the lousy Adelaide weather these last two months I'm happy with the outcomes. The data was quite noisy and some stars hit by a poorly adjusted spider vane and I suspect there's at least one or two arcs-seconds of resolution available once I sort out the tilt of the new set-up. At focus the smallest stars are twice as wide as they are high. To get them round I have to defocus the image so this tilt problem is my highest priority if I can get the clouds to clear off.
Imaging data
Helix
Lum 21x600sec bin 1x1
R 20x180sec bin 2x2
G 20x180sec bin 2x2
B 20x180sec bin 2x2
Triffid
Lum 50x300sec bin 1x1
R 20x120sec bin 2x2
G 20x120sec bin2x2
B 40x120sec bin 2x2
Rosette
Ha 10x240sec bin 1x1
OIII 15x240sec bin 1x1
SII 15x240sec bin 1x1
Image train
QHY9M
MPCIII corrector
Quick change filter drawer
ONAG/Loadstar guider
10"/F5 Serurier truss
Cheers
Stephen
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