M51 on SCA310/3.8
Photo description / processing
First light of the new Sharpstar SCA310/3.8
Sorry about the background — it turned out poorly due to several factors: no flats, shooting on different days at different angles with a gradient from local light pollution, since the instrument was still being adjusted and a full image wasn't planned.
I stacked all the test frames that weren't completely terrible in terms of FWHM, threw away the rest, and had to crop out 50% of the frame area.
In short, just look at the object if you're interested.
Compared to my previous SCA260/5, this one at least has a point, and the level of spherical aberration doesn't seem shocking :)
Technical information
- Telescope/Lens
- SharpStar SCA310/3.8
- Camera
- ZWO ASI2400MC Pro
- Mount
- ФА-40
- Guide Scope
- ZWO OAG-L
- Guide Camera
- ZWO ASI174MM Mini
- Software
- Pixinsight
- Location
- Moscow, Russia
Light pollution
Orange, Bortle 6 zone
- Date taken
Exposure
- 65 × 300″ · ISO/Gain: 140 · Antlia Quadband ·
Total exposure: 5 h 25 m
Comments
Try stacking the same frames with drizzle 2, it should be better in resolution.
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I always stack the sums with it, but this time Pix gave an error about being unable to drizzling during stacking.
I haven't looked into the reasons in detail yet — the frames are mostly unusable anyway and need to be properly re-shot.
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