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File:Ced 214, NGC7822, SH2-170 (4539749916).jpg

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Subject: Ced 214, NGC7822, SH2-170

Image FOV: 7 degrees by 4.666 degrees (420 minutes by 280 minutes)

Image Scale: 18 arc-second/pixel

Date: 2009/09/19

Exposure: 6 x 10 minutes = 1h total exposure, ISO800, f/3.4

Filter: Astronomik CLS

Camera: Hutech-modified Canon 30D

Lens: Leica APO Telyt-R 180mm f/3.4 at f/3.4

Mount: Astro-Physics AP900

Guiding: ST-402 autoguider and TV102iis guidescope. MaximDL autoguiding software using 5-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 33F/32F, SQM-L reading at start/end 21.53/21.46
Date
Source Ced 214, NGC7822, SH2-170
Author s58y

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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  • 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@N04/4539749916. 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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current11:27, 19 December 2021Thumbnail for version as of 11:27, 19 December 20211,400 × 933 (758 KB)Siloepic (talk | contribs)Transferred from Flickr via #flickr2commons

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