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File:IC1318 - Gamma Cygni area (RGB) (4471058337).jpg

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Subject: IC1318 -- Gamma Cygni area

Image FOV: 201 minutes by 135 minutes (3.35 degrees by 2.25 degrees)

Image Scale: 6 arc-second/pixel

Date: 2008/08/31

Exposure: 12 x 10 minutes = 2h total exposure, ISO800, f/4.8

Filter: IDAS LPS

Camera: Hutech-modified Canon 30D

Telescope: SV80S 80mm f/6 + TV TRF-2008 0.8X reducer/flattener = 384mm FL, f/4.8

Mount: Astro-Physics AP900

Guiding: ST-402 autoguider and SV66 guidescope. MaximDL autoguiding software using 3-second guide exposures


Processing: Raw conversion and calibration with ImagesPlus (dark frames, bias frames, and flat frames); Aligning and combing with Registar; Levels adjustment, cropping/resizing, JPEG conversion with Photoshop CS. No sharpening or noise reduction.

Remarks: Temperature at start/end = 57F/51F ; SQM-L reading 21.48 (start)
Date
Source IC1318 - Gamma Cygni area (RGB)
Author s58y

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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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.
This image was originally posted to Flickr by s58y at https://flickr.com/photos/45032885@N04/4471058337. It was reviewed on 19 December 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

19 December 2021

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current11:31, 19 December 2021Thumbnail for version as of 11:31, 19 December 20212,010 × 1,350 (821 KB)Siloepic (talk | contribs)Transferred from Flickr via #flickr2commons

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