ASTRO: vdB 133 A nice reflection nebula -- right images this time

I attached the wrong image then trying to delete it I hit send not
delete. Trying again with right images this time.
Rick
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vdB 133 is a nebula surrounding and lit by 44 Cygni, a 6th magnitude
star. It consists of both a reflection nebula GN 20.29.1 and the HII
region LBN 076.41-01.45. 44 Cygni is a F5Iab star. Much whiter than
most stars that illuminate reflection nebula. It may be in front of the
nebula as the color is about that of the star rather than blue that is
usually seen due to scattering from starlight passing through the dust
and gas. F5 tells us it is a somewhat hotter star than our sun. The
Iab means it is in the super giant class and the ab that it is of
intermediate luminosity, a means luminous while b less luminous so ab is
in the middle someplace. A famous Iab is Betelgeuse.

44 Cygni is listed at about 1600 light-years so that is likely the
distance to the nebula as well. The whole field is full of HII emission
but for some reason I didn't pick it up. I had a lot of red air glow
that night which likely helped hide it. Since I was after the
reflection nebula I didn't worry about its absence.

14" LX200R @ f/10, L=4x10' RGB=2x10', STL-11000XM, Paramount ME

Rick

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