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File:IC1805 -- RGB (4144733287).jpg

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Subject: IC1805 -- Heart Nebula (RGB)

Image FOV = 3.33 degrees by 2.25 degrees (200 minutes by 135 minutes)

Image Scale = 7.5 arc-second/pixel

Date: 2007/11/13

Location: near Halcottsville, NY

Exposure: 13 x 10 minutes = 2h10m total exposure, ISO800, f/4.8

Filter: IDAS LPS filter

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 6-second guide exposures

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

Remarks: 26F; SQM readings: 21.3 to 21.49; No noise reduction.
Date
Source IC1805 -- RGB
Author s58y

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
You are free:
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  • 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.
This image was originally posted to Flickr by s58y at https://flickr.com/photos/45032885@N04/4144733287. 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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current11:38, 19 December 2021Thumbnail for version as of 11:38, 19 December 20211,600 × 1,080 (399 KB)Siloepic (talk | contribs)Transferred from Flickr via #flickr2commons

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