M51

 Posted: May 19th, 2026
Technical Info
Telescope/Lens: Hubble space telescope
Camera: ASC/WFC
Software: Siril, PixInsight, Photoshop
Exposure:
24 x 680" ISO/Gain: 0 - F435W
24 x 340" ISO/Gain: 0 - F555W
24 x 340" ISO/Gain: 0 - F814W
24 x 340" ISO/Gain: 0 - F658N
 Earth Orbit, Estonia
 Jan 12th, 2005
11 h 20 m
170
Resolution: 11509x7608 px
Scale: 16197 KB
Yes, I fully understand that this photo was not taken with my telescope, but with the Hubble Space Telescope. Still, I really enjoy working with such data: processing it, examining the finest details, and sharing this beauty with others. Especially now, when the weather and white nights prevent me from shooting myself.

Processing was done in Siril and PixInsight. In Siril, histogram stretching was performed on the RGB and H-alpha channels, then in PixInsight — channel combination and work with the color stack in Siril. Final processing and image refinement were done in Adobe Photoshop.
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Comments

Cool, I don’t have all of mine either) Where are these originals from, if it’s not a secret?)
19 May, 2026 Reply
Andres Trn Replied to Poppy8micro
https://youtu.be/W48JJUuIqO0 It's no secret, watch the video)))
19 May, 2026 Reply
Andres Trn Replied to Poppy8micro
Yes, I noticed a while ago that you have images from the southern hemisphere. That really stood out. You always posted shots of the northern sky, and then suddenly southern objects. Did you use a remote observatory in Chile?
19 May, 2026 Reply
Poppy8micro Replied to Andres Trn
I have a subscription to Telescope Live, and the data sets there help keep me from getting rusty and let me practice my processing skills.
19 May, 2026 Reply
Poppy8micro Replied to Andres Trn
Thank you very much!! My deepest gratitude!
19 May, 2026 Reply
So many details! As they say, "feel the difference" compared to amateur equipment :)
19 May, 2026 Reply
Andres Trn Replied to Buzzard
I completely agree. The level of detail is insane. I couldn't upload the PNG here because it was 420MB. This is in JPEG format, slightly compressed. But still, it's clearly visible. And this is from a distance of 31 million light-years.
20 May, 2026 Reply
Buzzard Replied to Andres Trn
Wonders of technology
20 May, 2026 Reply
Poppy8micro Replied to Buzzard
The orbital instrument is truly a marvel of technology even now.
20 May, 2026 Reply

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