File:6-panel H-alpha Panorama -- Cepheus Cassopeia (8436362902).jpg

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Subject: 6-panel H-alpha panorama at 59 degrees north -- Cepheus/Casopeia region -- main objects are Sh2-129, IC-1396, Sh2-132, Sh2-142, Sh2-155, Sh2-157, NGC7635, and Sh2-170

Image FOV: About 30 degrees by 12 degrees Image Scale: about 46 arc-second/pixel (reduced to 20% original size)

Date: 2010/08/07 - 2010/08/08 (Processing backlog of old images)

Exposure: 3 x 10m = 30 minutes for each panel. Total exposure for 6 panels = 3 hours, ISO1600, f/2.5 Filter: Astrodon 5nm H-alpha Camera: Hutech-modified Canon T1i/500D Lens: Nikon 105mm f/2.5 AI-S Mount: Astro-Physics AP900

Guiding: ST-402 autoguider through TV-102iis guidescope, Maxim DL autoguiding software with 5-second guide exposures


Processing: Raw conversion and calibration with ImagesPlus; Aligning and combining of each panel with Registar. 6-panel panorama created by Autopano Pro 2 (100% output size). Final processing of combined mosaic in Photoshop -- levels adjustment, resizing to 20% original size, JPEG conversion, etc.

Remarks: Temperature at start/end = 55F/49F; SQM-L readings = 21.38 to 21.48
Date
Source 6-panel H-alpha Panorama -- Cepheus/Cassopeia
Author s58y

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This image was originally posted to Flickr by s58y at https://flickr.com/photos/45032885@N04/8436362902. 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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current11:35, 19 December 2021Thumbnail for version as of 11:35, 19 December 20212,342 × 1,145 (980 KB)Siloepic (talk | contribs)Transferred from Flickr via #flickr2commons

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