Original file (4,139 × 3,158 pixels, file size: 5.27 MB, MIME type: image/jpeg)

Summary

Description
English: The Cygnus Wall, part of the North America Nebula (NGC 7000) was created using Ha, OIII, and SII filters using the Hubble Palette.

Imaging Telescope:
Explore Scientific 127mm ED Refractor (952 focal length)

Mount:
Celestron CGX

Polar Alignment:
QHYCCD PoleMaster

Imaging Camera:
ZWO ASI1600MM-Cool

Ha=80x180s
OIII=60x120s
SII=40x180s
Total Time: 10.8 hours

Gain: 139, Offset: 21

Guide scope:
Orion ST80

Guide Camera:
Lodestar X2

Guide Software:
PHD2

Calibration Frames:
Darks: 50, Bias: 50, Flats: 50

Capture software:
Sequence Generator Pro (SGP)

Stacking software:
PixInsight

Post Processing:
PixInsight

Dew Shield, Dew Heater Strip
Date
Source Own work
Author Chuck Ayoub

Assessment

Featured picture

Wikimedia Commons

This is a featured picture on Wikimedia Commons (Featured pictures) and is considered one of the finest images. See its nomination here.

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This image was selected as picture of the day on Vietnamese Wikipedia for 3 April 2023.

Quality image

This image has been assessed using the Quality image guidelines and is considered a Quality image.

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Licensing

I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

Captions

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Items portrayed in this file

depicts

wall

North America Nebula

creator

some value

Wikimedia username: Cpayoub
URL: https://commons.wikimedia.org/wiki/user:Cpayoub
author name string: Chuck Ayoub
object of statement has role: photographer

copyright status

copyrighted

copyright license

Creative Commons Attribution-ShareAlike 4.0 International

Commons quality assessment

Wikimedia Commons featured picture

Wikimedia Commons quality image

inception

5 October 2017

source of file

original creation by uploader

media type

image/jpeg

checksum

dc62b97dde91b5d1ac43be31e7675e5cbb9d2a04

determination method or standard: SHA-1

data size

5,525,303 byte

height

3,158 pixel

width

4,139 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current13:04, 5 October 2017Thumbnail for version as of 13:04, 5 October 20174,139 × 3,158 (5.27 MB)CpayoubUser created page with UploadWizard

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Allikas: http://en.wikipedia.org/wiki/File:Cygnus-Wall.jpg
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