One night LRGB on NGC 1333 reflection nebula - Update: added 2nd night (Randall Schleier)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: NGC 1333

One night LRGB on NGC 1333 reflection nebula - Update: added 2nd night, Randall Schleier

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One night LRGB on NGC 1333 reflection nebula - Update: added 2nd night

Revision title: NGC 1333 with second night of great seeing

Powered byPixInsight

One night LRGB on NGC 1333 reflection nebula - Update: added 2nd night

Revision title: NGC 1333 with second night of great seeing

NGC 1333 in Perseus is well positioned in December to start imaging right after astronomical dark. LRGB subs revealed a lot of detail and color on this target. This is about 8 hrs of data. Unguided 120s exposures.

I imaged this same target three other nights. Unfortunately, either low hazy clouds blew in or the seeing was not good. Last night, my stars were in the 2-2.5" range. Previous nights were 3-4".

I may try processing with the poor seeing subs added later to see how it looks. This image is just one night. Stacked in APP, DBE, ColorCal, BlurX, NoiseX and stretch in PI. Final tweeks and some color enhancement in PS 2024. I used GHS to stretch the RGB but had trouble with my GHS stretched Lum when I combined to LRGB. I went back and used EzSoftStretch on the Lum. That worked well for me. Like Cuiv says...easy is good!

I had trouble with guiding on the poor seeing nights. I decided to lower the exposure time down to 120s and image unguided. That worked well (polar alignment error is below 1 arc min as calculated by my model). I plan on testing unguided again on longer exposures. That also makes things easier as well.

Update - I had excellent seeing a day later. Added second night. This version has a different color adjustment in PS with less green.

Randall

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Title: NGC 1333 with second night of great seeing

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One night LRGB on NGC 1333 reflection nebula - Update: added 2nd night

Revision title: NGC 1333 with second night of great seeing

One night LRGB on NGC 1333 reflection nebula - Update: added 2nd night

Revision title: NGC 1333 with second night of great seeing

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One night LRGB on NGC 1333 reflection nebula - Update: added 2nd night

Revision title: NGC 1333 with second night of great seeing

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