Cederblad 214 and NGC 7822
Characteristics:
RA: 00h 02m 56s (J2000)
Dec: +67degrees 45' 22" (J2000)
PA: +317 degrees (Pinpoint)
Description:
Cederblad
214 (located slightly above the middle of this field) is a large
emission nebula in the constellation Cepheus. It is part of a
complex that also includes a fainter, arch-like nebulous expanse known
as NGC7822 (located near the bottom of this field). There is a
small, magnitude 18.3 planetary nebula (PLN 119+6.1) in the lower right
hand portion of this field, best seen on the larger view- can you find
it? As can be appreciated by the "donut hole" in the lower part
of this complex, this star-forming region is being cleared out by
young, newly formed stars emitting strong UV radiation, reminiscent of
similar nebulae such as IC1396 and
the Rosette.
More information about this interesting region may be found on Rob
Gendler's webpage,
and on the APOD
website. Please check out the larger image and the cropped
views in the links above.
Photographic
Details:
Dates: August 29, 30; September
2, 2011
Scope: Takahashi
FSQ106 at f5 on the Takahashi NJP
Mount
Autoguider: SBIG ST-402 with
60mm guidescope, focal length 227mm
Camera: Apogee U16M at -20C, with
7 position 50mm square filter wheel (Apogee FW50-7S)
Filters: Baader
Ha narrowband
filter; Baader RGB filters
Exposures: Ha, 6 hours; R, 2 hours;
G, 2 hours; B, 3 hours, all unbinned.
Total
exposure 13 hours
Post-processing:
Calibrated, aligned and
stacked in Maxim, followed
by DDP
in ImagesPlus (IP). Further processing in Photoshop CS5
Please
note: Graphics on this website
may not be reproduced without author permission.
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