u/Comfortable-Age-4764

Hi I took this photo of M16 eagle nebula last night from bortle 6-7 area with 130/650 telescope and aps-c mirrorless camera how can I improve this photo? thanks.

My goal was capture pillars of creation clearly

the equipment that I use:

Astromaster 130 EQ

Sony A6300

bortle 6-7

236 photo X 2 second exposure 3200 ISO (about 7-8 minute integration time)

21 flat frame

20 dark frame

for stack I use sequator, for processing I use Siril