281 is an open star cluster associated with a relatively large emmision
nebula (Sh2-184). This is another fine example of a star-forming
region that glows in the red hue associated with exctited hydrogen
atoms. The small, darker areas blocking the emmitted light are known
as Bok globules.
is known as the Pac-Man nebula because of its resemble to the video
Orion 120ED refractor
Ha: Takahshi TOA130 NFB
Canon XS (1000D) ;; ISO 800
Ha: SBIB ST-8300 with 12nm Astronomik filter
G-11/ iOptron CEM60
on 50mm guide scope
|| Color: 46
@ 5 min.
24 @ 7.5 min. (Ha)
images were aligned and combined using ImagesPlus. Ha images were
aligned and combined in CCDSoft. The color and Ha images were aligned
in RegiStar. The composite image was created and adjusted in Photoshop.
Topas Detail and DeNoise were applied.
observatory in SE Minnesota. The color images were initially obtained
in December of 2009. The Ha images were obtained on 9/4/2020.
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