Crab Nebula (LRGB)

Mark Forbes

Stockport

Altair Astro StarWave 102ED f/7 refractor
Altair Hypercam IMX174 mono
ZWO Mini USB EFW
Altair LRGB Filter Set
SkyWatcher AZ-EQ6 mount
Altair 60mm finder/guider – V1 GPCAM mono guide cam.
PHD2 2.6.4

Stacked and pre-processed with PixInsight
Final tweaks in Photoshop CC 2018 & Astronomy Tools Action set.

I imaged M1 using my mono Hypercam IMX174 and LRGB filter set. It took me a little while to integrate it all, but its come out ok. First time I have imaged any DSO with LRGB filters, so was surprised and happy with the result as it’s captured some nice details in the remnant.

60sec exposures – Gain @ 1200
30x Red 30x Green 30x Blue 15x Luminence
25x Dark with L filter (same exposure length)
25x Bias with L filter
25x Flats with L filter

2017-12-27T00:00:00