After a HOYS-CAPS session added narrowband. Rat’s head in there?
No more MPCC and stars are much sharper at the edges.
|Object ID||NGC 2264, Christmas Tree Cluster|
|Telescope||250mm f4.8 Newtonian, MPCC|
|Camera||Atik 460EX @-20C
Baader Ha, OIII, SII filters
|Exposure(s)||10x300s 2×2 each
SHO colour mapping