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Taken 16-Aug-26
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Category:Scenic
Subcategory:Night Sky
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Photo Info

Dimensions3814 x 2947
Original file size14.6 MB
Image typeJPEG
Color spacesRGB
Sh2_92_HaRGB_via_HaRGB_Combine_PS_SelectiveColour_Crop

Sh2_92_HaRGB_via_HaRGB_Combine_PS_SelectiveColour_Crop

From Amateur Astro Photo of the Day:
"This faint cloud of glowing hydrogen gas takes on an eerie, elongated shape that gives it its nickname. The "Scream" face appears to react to the shockwaves of the nearby supernova remnant SNR G65.3+5.7, though scientifically, the nebula is entirely safe and independent of the remnant's expansion."

Honestly, I don't see it.

16/16/10 x 10 min each of RGB
11 x 20 min H-Alpha
Camera: Apogee U16M (16803) w Gen II Astrodon RGB and H-Alpha
Scope: 12.5" Planewave CDK
Mount: Paramount ME
Guiding SBIG ST402ME and Astrodon MMOAG

RGB processing in PixInsight. SPCC, BlurX, then MAS then some tweaks to the histogram then a masked Saturation boost to the highlights.
H-Alpha processing: BlurX then StarX then MAS on the starless version. Tweaks to the histogram. Then the starless Ha was added to the RGB via the process HaRGB_Combine.

Photoshop: Selective Colour then 8.5x11 crop. Save-for-web

Lucknow, Ontario
July 2026