B 347 ([DB2002b] G78.56+0.70*) Dark Nebula in Cygnus
Located at: RA 20 hours 28 minutes 29 minutes, Dec +39 degrees 54 minutes 33 seconds
Size: 4.0' x 0.7'; Magnitude: --; Class: 5 (Ir?)
North is up
West to the right
| Telescope: |
8" f5 Newtonian reflector |
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| Camera: |
ST-8XME, self-guided, binned 1x1, temp -20c, camera control MaxIm DL 4.56 |
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| Image: |
Lumicon Red filter, 600 minutes (60 x 10 minute subs), 07/29/30/31 & 08/1/2/2008; seeing 2.3-3.7 FWHM per CCDStack |
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| Processing: |
CCDStack 1.3.7, Photoshop 7.0 |
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| Location: |
Rolling Roof Observatory, Thousand Oaks, CA 91360 (+34d 13m 29s -118h 52m 20s) |
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| Notes: | This field is a part of the the southern half of what is known as
"The Butterfly Nebula". Aka IC 1318, Gamma Cygni Region, and others. The
dark lane to the Northwest (upper right) is LDN 889. See
here
for a wide field (5.6° x 4.7°) DSS image. ©
CalTech/Palomar) color
image of 'The Gamma Cygni' region.
This description from the on-line Edward Emerson Barnard "A Photographic Atlas of Selected Regions of The Milky Way":
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Dark
streak in nebulous cloud, less than 1´ wide, extending 10´ SW
from BD+39°4206 (8.8 mag)