NGC 253 is a about 11.5 Million light years away, and its about 90,000 light years in diameter.
This shot is 10 each in RGB of 300 second subs @ -20C, 2×2 bin. First time I’ve used cosmetic correction to fix a dark column in the sensor.
The gear is here.
This is the Centaurus-A
The subs are 5 min a piece in LRGB. 10 subs each 2×2 bin @ -20C.
Equipment is here.
Its about 10 million light years away, strange shape from the side on – see the details here
180 Second LRGB Subs, 10 each. -20C, 2×2 Bin
Equipment is here
M104 taken @ iTelescope.net in Siding Springs. 31 million light years away (give or take).
The gear used to take this is found here
LRGB 300 seconds each sub @ -20 ℃, 2×2 bin, 8 subs per filter. Processed in PixInsight (for which I’ve still have my L’s on).