IC 1848 (Soul Nebula)
Characteristics:
Magnitude: 6.5 (open star cluster)
Size: about 60'
Distance: 6,150 light years
RA: 2h 51m 47s
Dec: 60 degrees 26' 08"
Description:
IC 1848 is a faint emission nebula
located near IC1805.
It is sometimes referred to as the "Soul Nebula," presumably because of
its juxtaposition with IC1805, which is also known as the "Heart
Nebula". Please click
here for more information about this object.
Photographic Details:
Date: September 20, 2004
Scope: Takahashi
Sky 90 at f4.5 with field flattener/focal reducer, on the G11 Losmandy
Mount.
Autoguider: SBIG STV with
e-finder.
Camera: SXV-H9
Filter: Astronomik
Ha filter (13 nm bandpass); Type II R, G, B filter set.
Exposures: Ha:(HaR:G:B).
18 x 5' for Ha (90
minutes total, unbinned); 5 x 4' each for R, G, and B (20 minutes total
for each color), all unbinned.
Conditions: Temperature 52 degrees F; below average
transparency; average seeing; calm; many passing high, thin clouds.
Post-processing: No darks,
flats, or bias frames used. Alignment done in ImagesPlus.
Sigma
combined using RC Sigma Reject Plug-in for MaximDL. DDP was
performed
in ImagesPlus
(IP). Subsequent
levels and curves adjustments in Photoshop CS (16 bit format). Ha
was combined with RGB using the technique of Luminance
Corrected RGB.
Please
note: Graphics on this website
may not be reproduced without author permission.
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