View Single Post
  #1  
Old April 1st 10, 05:45 AM posted to alt.binaries.pictures.astro
Rick Johnson[_2_]
external usenet poster
 
Posts: 3,085
Default ASTRO: Sh2-126 The heaven's arrow?

This is the last in my short break from Arp galaxies. I've taken most
of the summer ones, not galaxy season with the Milky Way dominating the
sky. So I have to find other objects to tide me over or get wide angle
system. I really needed one for this object. It also needed a lot of H
alpha time but didn't get any.

Sh2-126 is a large HII/Reflection Nebula with lots of dust in Lacerta.
It contains an interesting reflection nebula centered on the variable
star V0375 Lac that varies from 14.24 to 12.94 magnitude. It appears
elongated in my image. This appears due to the reflection nebula as if
I only look at the brightest pixels it does appear round. NED and
SIMBAD also show another object at the same coordinates, MRK 0914. NED
lists it as the same object and considers it an UV Excess Source.
SIMBAD shows it as a different object with exactly the same position and
as a galaxy. Could this galaxy designation come from the oval
appearance? A bit SW of its position is a bright area that does appear
galaxy like but nothing is listed for that position. SIMBAD identifies
the reflection nebula as GN 22.32.5. Simbad also shows several HH
regions in the reflection nebula, one of which also shares the same
coordinates as the star and the Markaryan object, HH 398. It's enough
to make my brain hurt. I find little on the distance to this object.
One source say 600 parsecs or about 2000 light years. That's probably a
very large "about".

I wanted to get some H alpha to go with this but weather never
cooperated and I soon forgot about it until I went to process it. By
then it was long gone from the sky. The image was taken July 28, 2009 UTC.

14" LX200R @ f/10, L=8x10' RGB=3x10'x3, STL-11000XM, Paramount ME.

Rick
--
Correct domain name is arvig and it is net not com. Prefix is correct.
Third character is a zero rather than a capital "Oh".

Attached Thumbnails
Click image for larger version

Name:	SH2-126L8X10RGB3X10X3EN.jpg
Views:	547
Size:	359.6 KB
ID:	2878