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Narrowband

Scooot

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    Billericay, Essex

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  1. What a lovely set.
  2. I'm going to Texas for the Eclipse in April so I'm having a little practice with an unfamiliar setup on the sun, when I can see it of course. I'm going to use my baby Tak for visual so hope to get some images with this old 100 to 300mm lens, and 250D on my Star Adventurer. I took a few yesterday, but as I can't get much detail on the sun with this setup, and its still quite small in the field of view, I've processed it to show some brightness and sky around it. I took them through a Daystar universal Lens filter. I had a bit of drift as I haven't mastered daytime polar aligning yet so had to crop. Anyway something different.
  3. That’s a smashing image. It looks great with this fov.
  4. The without for me, but both lovely images.
  5. I've finally finished this after 5 nights of imaging with my 60mm Tak and ASI2600MC Pro. Roughly 15 hours worth, the most I've ever captured on a target. I must say its much easier to process with so much. If the weather hadn't changed I would have got some more. Unfortunately, I've had to crop the edges more than I liked and although I started imaging with Andromeda centered, the frame I chose to align to over additional nights had it slightly higher. Anyway,hope you like it,
  6. Beautiful, love the background too.
  7. Lovely image. You’ll be able to better control the stars in Pixinsight with the Generalised Hyperbolic Stretch script. https://ghsastro.co.uk Or alternatively remove them with Starnet or Starxterminator and stretch them separately. Also Pixinsight does use a lot of PC power, I upgraded to an I9 Core 24 earlier in the year which is infinitely better than my previous machine but some processes can still take a while.
  8. and here's something a little different. A 3d plot. You can clearly see the bulk of the smaller stars with very pointed peaks illustrating they're correctly exposed. However, not that you'd notice from the main image, the larger stars are illustrated by domes with flattish tops showing they're over exposed and saturated. To expose them correctly I'd guess I'd only need an exposure of a few seconds, 10 to 15 maybe.
  9. Here's an annotated version.
  10. Thanks Jim. I spent a lot of effort trying to get a decent stack in the first place which made processing the background much easier than I usually find it. I think I’ve finally got to grips with local normalisation for which I manually stacked half a dozen decent images to use as a reference. I processed a starless image too which also helped a great deal with the background and gasses.
  11. I actually had some clear skies without any moonlight so managed to get a good couple of nights worth of subs on M45. This is just over 5 hours worth of 3 minute images at zero gain with my baby Tak and ASI2600MC-PRO. One of my better efforts
  12. I’m going, have a friend who lives just outside Austin. I’ve been talking to him about the annular eclipse this Saturday which he’s viewing as well, lucky devil. Edit: tomorrow in fact
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