M51 Whirlpool, 



    
        

            Franz

M51 Whirlpool

M51 Whirlpool, 



    
        

            Franz

M51 Whirlpool

Technical card

Imaging telescopes or lenses: APM 107/700 f/6,5 APO

Imaging cameras: ZWO ASI533 MC-PRO

Mounts: Skywatcher EQ-6 Pro Synscan

Guiding cameras: ZWO ASI 120 MC

Software: FitsWork  ·  Gimp  ·  Siril

Filters: Optlong 2" UV/IR Cut Filter

Accessory: ZWO ASIAIR PR0


Dates:Feb. 18, 2021

Frames:Optlong 2" UV/IR Cut Filter: 45x300" (3h 45') (gain: 100.00) -10C

Integration: 3h 45'

Avg. Moon age: 6.24 days

Avg. Moon phase: 38.01%

Bortle Dark-Sky Scale: 5.00

Mean FWHM: 4.00

Temperature: -5.00


Resolution: 3000x2994

Locations: Gartensternwarte, München, Bayern, Germany

Data source: Backyard

Description

Improved Version of my first image with different Gimp processing.
Same image - different look

Comments

Histogram

M51 Whirlpool, 



    
        

            Franz