
Markarian’s Chain (Pat Devine)
4th May 2022 00:22am
Edinburgh Bortle 7/8 zone
Celestron RASA 8″
ZWO 183mc pro
ZWO EAF
IDAS NBZ filter
ZWO air pro
Sky-Watcher HEQ5 Pro
60 x 30s lights with flats, darks and bias
Gain 122 at -10C
Processed in APP , Pixinsight and Photoshop

M84 Galxaxy (Markarians Chain) – from the “DHST” (
David Harvey)
Data 25th Feb. 2023
2 panel Mosaic 40 Lights 5mins each.
Straight forward OSC RGB
with a twist “zero” gain.
L-Pro filter
Telescope Ts-photon 6″ f/4,
Mount Ioptron GEM45NUC
Camera ASI533MC.
gain “0” offset 40
Pre process APP, post StarTools/Affinity Photo.