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Pelican Nebula in Ha - First Real Test of Dual Rig

Technical card

Resolution: 1422x1920

Dates: June 18, 2017

Chroma Ha 3nm: 8x1200" bin 1x1
Astrodon Ha 5nm: 8x1200" bin 1x1

Integration: 5.3 hours

Avg. Moon age: 22.68 days

Avg. Moon phase: 44.33% job: 1638475

RA center: 312.666 degrees

DEC center: 44.040 degrees

Pixel scale: 5.553 arcsec/pixel

Orientation: -179.015 degrees

Field radius: 1.843 degrees


I've finally managed to put my dual rig together. It is 2xWO Star 71s and 2 x Moravian G2-8300 cameras. I have a Chroma 3nm filter in one of the cameras and decided to go for a 5nm Astrodon in the other. This is Ha data from both cameras - 8 x 20 minutes from each.

I am going to try for SII and OIII to go with it, but I was keen to see if the rig was functional. Of course with the 3nm and 5 nm, just a quick stretch ended up showing a reasonable result.



Steve Milne



This version was stacked using the new program Astropixel Processor.

Sky plot

Sky plot


Pelican Nebula in Ha - First Real Test of Dual Rig, Steve Milne