NGC 7000 (North American Nebula) and IC 5070 (Pelican Nebula)
Characteristics:
Magnitude: Not determined
Size: FOV of full frame image (uncropped) = 3.9 x 3.9 degrees
RA: 20h 55m 17s (J2000)
Dec: 44 degrees 02' 39" (J2000)
PA: +319 degrees
Description:
The North American and Pelican Nebulae
are favorite targets for widefield astrophotography using either
broadband or narrowband filters.
The
deep shadows and rifts in this region are caused by dust that obscures
visible
light emitted by ionized gas such as hydrogen, oxygen, and
sulfur.
More information about this region can
be found at Rob
Gendler's website.
Photographic
Details:
Dates: August 25 and 26, 2014
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
narrowband
and LRGB filters, 50mm square
Exposures: Ha, 6 hours; RGB, total of 6 hours. Total
combined exposure (Ha plus RGB) = 12 hours
Post-processing:
Calibrated, aligned, and stacked 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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