The Whirlpool Galaxy: M51 Midsummer 2019

M: iOptron EQ45-Pro

T: WO GTF81 Refractor

C: ZWO ASI1600MC-Cooled

G: 200mm (FL) Finder and PHD2

GC: ZWO ASI120MC

RAW16; FITs

Temp: -20 DegC

Gain 187; Exp 300s

Frames: 19 Lights; 4 Darks; 50 flats

100% Crop

Capture: Sharpcap

Processed: DSS; LR, PS, Gradient Exterminator.

Sky: Last Quarter moon, no breez, no cloud, good seeing.

 

23.16 million light years distant.

Done