IC 1805 (Heart Nebula) and IC 1848 (Soul Nebula)
Characteristics:
Magnitude: 6.5 (open star clusters)
Size: The
FOV shown
here is approximately 5.0 x 2.6 degrees, at an image scale of
3.5"/pixel.
Distance:
6,150 light years
RA: 2h 32m 41s
Dec: 61 degrees 27' 25"
Description:
IC 1805 and IC 1848 are young star
clusters
surrounded by Ha emitting nebulosity, located in the constellation
Cassiopeia. The above image is a mosaic of IC 1805 (left) and IC
1848
(right) taken on two separate dates (details below). There is a
great
deal of interesting detail within
this image that can
be best appreciated on the higher resolution view, as well as in
previous images shown here, here,
and here.
Please click
here for more information about this object.
Photographic Details:
Date: December 30, 2006 (IC 1805) and September 2, 2007 (IC
1848).
Scope: Takahashi
FSQ106 at f5 on the Takahashi NJP
Mount.
Autoguider: SBIG ST-402 with
e-finder.
Camera: STL11K -20C.
Filters: Baader 7nm
Ha filter (50mm unmounted).
Exposures for each panel: Ha- 12
x 20' = 4 hours per panel; 8 hours total.
Conditions: Temperature 24 degrees
F for IC 1805 and 60 degrees F for IC 1848).
Post-processing:
Calibrated, aligned, and Sigma Clip combined
in Maxim, followed
by DDP
in ImagesPlus (IP). Further processing in Photoshop CS (16
bit format).
Please
note: Graphics on this website
may not be reproduced without author permission.
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