Deep Sky Object in Winter
Seagull Nebula (IC2177 in Monoceros)
|Date & Time: ||Nov 14 2009, from 24:59 to 27:03 JST(+0900)
|Mosaic of 4 flames of 10min.×3shots|
|Optical: ||TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
|with IDAS LPS-P1 Light-pollution suppression filter|
|Auto-guided with TAKAHASHI JP Equatorial & Meade Pictor 201XT
|Digital Camera: ||Nikon D50 (Remodeled)
|Location: ||Ooizumi, Hokuto city, Yamanashi pref.
|Camera Settings: ||Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3008×2000)|
IC2177 is a huge diffused nebula spread around 7 degrees north-east of Sirius, The shape has given a nickname of "The Seagull Nebula".
Unfortunately, this nebula hardly be seen with naked eyes same as many other diffused nebulae.
The nebula has a length of 2 degrees in north-south direction, only normal photo lenses can detect the shape of seagull clearly.
|IC2177 / Diffused Nebula, type 1 E|
|R.A.||07h 05m 6.0s (2000.0)|
|Dec.||-10° 42' 00" (2000.0)|
|Real Size||45×13 light yrs.|
|Distance||1820 light yrs.|
|Other IDs||Sh2-296, LBN1027|
The catalogue number of IC2177 occupies only area of seagull's wings, and a head is named vdB93.
These gigantic hydrogen clouds are floating about 1800 light-years away.
And you can see a dimmed nebula of LBN1036 about 2 degrees east.
To Monochrome reversed image(124KB)
||Nebulae & Star clusters around Seagull Nebula
Italic indicates #'s of open clusters