Cederblad 51 with Celestron C8 (Luminace) and 130mm Newtonian (RGB) (JHayes)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: B30 · B31 · B32 · HD243705 · HD243737 · HD243819 · HD243854 · HD243897 · HD243910 · HD243963 · HD244036 · HD244056 · HD244138 · HD244244 · HD244258 · HD244363 · HD244380 · HD244382 · HD244555 · HD244590 · HD244613 · HD244655 · HD244684 · HD244685 · HD244773 · HD244903 · HD244904 · HD244905 · HD244925 · HD244926 · And 11 more.

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Cederblad 51 with Celestron C8 (Luminace) and 130mm Newtonian (RGB)

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Cederblad 51 with Celestron C8 (Luminace) and 130mm Newtonian (RGB)

This was an experiment using a Celestron 8" SCT (with Hyperstar) for Luminance with an ASI 2600 mono camera, and an old (not designed for astrophotography) Star Seeker 130mm f/5 Newtonian that was badly out of collimation using an ASI 071 color camera for RGB.

I used Starnet++ to create starless images so I can edit each version separately. The stars in the image are primarily from the SCT image stack as luminance, with the Newtonian RGB stack providing the RGB data. I merged the larger stars (ones with diffraction spikes) from the Newtonian RGB stack for aesthetics.

APP does a great job of registering the image stacks from the very different telescopes (and their different focal lengths) so they are aligned with each other for import into Gimp for post-processing.

The 130mm Newtonian is not designed for astrophotography. I can barely achieve focus using a 1.25" eyepiece adapter on the camera. That configuration leaves about 1-2mm of focus travel, so it's a very small margin but is just enough to work out.

I had left 12 lbs of counterweight at home for this night, so the guiding for the 130mm Newtonian was extremely poor due to not enough counterweight and I only got 3 hours of data from it as a result.

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	Distinct awarded users	Total awarded images
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	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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Mix of multiple sources
Other
Unknown

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Status	Advanced success
Started	...
Astrometry.net job	9089915
PixInsight job	M10I9VDD4X60UYGTI24O99ZMCTLFVQ0T
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h30m44s.40
RA (top/left)	05h34m11s.48
RA (top/right)	05h26m06s.22
RA (bottom/right)	05h27m14s.13
RA (bottom/left)	05h35m21s.13

Dec (center)	+12°12′35″.9
Dec (top/left)	+11°22′48″.8
Dec (top/right)	+11°50′28″.5
Dec (bottom/right)	+13°02′23″.1
Dec (bottom/left)	+12°34′16″.10

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Cederblad 51 with Celestron C8 (Luminace) and 130mm Newtonian (RGB)

Cederblad 51 with Celestron C8 (Luminace) and 130mm Newtonian (RGB)

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Cederblad 51 with Celestron C8 (Luminace) and 130mm Newtonian (RGB)

Cederblad 51 with Celestron C8 (Luminace) and 130mm Newtonian (RGB)

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