Markarian’s Chain (Ramsay)
A string of galaxies in the Virgo cluster named after the Armenian astrophysicist, Benjamin Markarian, who discovered their common motion in the early 1960s.
Included in this picture are:
NGC 4374 – M84 discovered by Charles Messier in 1781
NGC 4388
NGC 4402
NGC 4406 – M86 also discovered in 1781 by Messier NGC 4407
NGC 4425
NGC 4438
NGC 4459
NGC4461
NGC 4473
NGC 4477
NGC 4486 – M87 aka Virgo Galaxy also discovered in 1781
23/04/2022 started 00:14
9 x 5 minute exposures plus bias, flats, darks and dark flats
Scope: Takahashi FSQ-106ED @ f5.0
Mount: iOptron CEM40
Camera: ASI2600MC -20°C
ASIAIR Pro
PixInsight, Photoshop
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