Embedded Files
M51
M51
The Whirlpool Galaxy, also known as Messier 51a (M51a) or NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. Situated in the constellation Canes Venatici, it holds the distinction of being the first galaxy classified as a spiral galaxy. The Whirlpool Galaxy is located 7.22 megaparsecs (23.5 million light-years) away from Earth and has a diameter of 23.58 kiloparsecs (76,900 light-years).
Technical DetailsObject: M51Location: Portsmouth, UKMount: SW Alt Az EQBortle Scale: 7Scope: Redcat 51mmCamera ZWO 2600 Colour (-10) with broadband filterNights: 30th April 2025Total Subs Used: 67 x 120Secs. Rotation: 128.5Seeing: GoodFits Stacked: Astro Pixel Processor
Note: Still new to PixInsight, playing with the various scripts, probably a little overcooked.
M51
M51
Details: 279 x 10-second subs from, 04-05 May 2024. The below images have been process with Siril and GraXpert.
Object: M51
Location: Portsmouth, UK
Mount: Alt Az
Bortle Scale: 7
Total Session Time: 10 Minutes
Nights: 04-05th May 2024
Total Subs Used: 279 x 10 Subs
Seeing: High Cloud
Fits Stacked: Siril
Post-Processing Steps
1. GraXpert - Background extraction and Denoise v2.0
2. Siril - color calibration, photometric color calibration,remove green noise, color calibration, histogram stretch, colour saturation.
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