This is Eta Carinae in Ha from last night's session ... using the Baader 7nm Ha filter meant I only had one guide star to choose from when guiding at 2 second exposures ... some choice
... so this image has some banding.
10x360sec with SBIG ST2000XCM @ -20C with Baader 7nm Ha filter
WO FLT110 Triplet
Skywatcher EQ6 Pro
Self guided with CCDOPS
Stacked with DSS adjusted CS3