M51, Whirlpool Galaxy

Posted: Nov 21st, 2025

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Technical Info

Telescope/Lens: Sky-Watcher 200/1000 PDS

Camera: SVBONY SV605CC

Mount: Juwei 17-100

Guide Scope: SVBONY SV106

Guide Camera: TOUPTEK GPM 462

Software: Siril, GraXpert, Starnet++, GIMP

Accessories: SHARPSTAR 1X MPCC

Exposure:

180 x 90" ISO/Gain: 101 - SVBONY UV/IR CUT

Orange, Bortle 6 zone:

Chekhov, Russia

Jul 4th, 2025

4 h 30 m

250

28

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Resolution: 2825x2809 px

Scale: 40445 KB

34

A miracle did not happen - after a week, the previous processing seemed not the most successful :) I took into account the "criticism" about insufficient sharpness and slightly changed the galaxy's histogram.

Updated

M51, Галактика Водоворот

9 Dec, 2025

4 h 30 m

Last time I overdid the contrast, so I made a softer version.

Current photo

M51, Галактика Водоворот

21 Nov, 2025

4 h 30 m

A miracle did not happen - after a week, the previous processing seemed not the most successful :) I took into account the "criticism" about insufficient sharpn…

M51, Галактика Водоворот

13 Nov, 2025

4 h 30 m

Taken over several short nights in early July, but I didn't like how the processing turned out for a long time.

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Comments

The sharpness is good, but the background is too suppressed.

22 Nov, 2025 Reply

Buzzard Replied to Oleg Novoselov

Looks like I'll have to make another version :) Thanks for the feedback.

22 Nov, 2025 Reply

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