M101

I reprocessed the same data from the last image of M101. I was not happy with the graininess of the first image. Also not cropped here.

 

M101 In the constellation of Ursa Major.

 

M: iOptron EQ45-Pro

T: William Optics GTF81

C: ZWO ASI1600MC-Cooled

F: No Filters

G: PHD2

GC: ZWO ASI120mini

RAW16; FITs

Temp: -15 DegC

Gain 139;

73 x Exp 300s

Frames: 73 Lights; 10 Darks; 200 flats

100% Crop

Capture: SharpCap

Processed: PIPP; DSS; PS; Grad Exterminator.

Sky: No moon, calm, minimal cloud, cold, fair seeing.

 

20.87 million light years distant.

Done