File:Cygnus widefield mosaic (56 panels) (4552956284).jpg
Original file (1,989 × 1,346 pixels, file size: 640 KB, MIME type: image/jpeg)
Captions
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Summary[edit]
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| Description |
Subject: Widefield of Cygnus area -- M27, NGC6820, NGC6823, NGC6888, NGC6960, NGC6974, NGC6979, NGC7000, IC1318, IC5067, IC5068, IC5070, etc. -- North America Nebula, Pelican Nebula, Crescent nebula, Veil nebula, etc. Image FOV: roughly 40 degrees by 28 degrees (partial coverage) Image Scale: roughly 75 arc-second/pixel Dates: - 2009/07/04 (1 panel copied from 13-panel mosaic -- +42.5/20h10m) - 2009/07/14-15 (15 panels: +45/20h10m to +45/21h20m, and +41.5/20h10m to +41.5/21h10m) - 2009/07/18-19 (5 panels:- +38/20h00m to +38/20h40m) - 2009/07/28-29 (11 panels: +38/20h50m to +38/21h10m, and +34.5/19h50m to +34.5/21h00m) - 2009/08/14 (1 panel: +31/20h00m) - 2009/08/14-15 (12 panels: +31/19h30m to +31/19h50m, +31/20h10m to +31/20h10m to +31/20h50m, and +27.5/19h30m to +27.5/20h00m) - 2009/08/15-16 (3 panels +24/19h40m to +24/20h00m) - 2009/08/16-17 (8 panels: +48.5/20h10m to +48.5/21h20m)
Exposure: 1x10min for 1 panel, 2x10min for 54 panels, 4x10min for 1 panel = 113x10min = 20h50m total exposure, ISO800, f/4 Filter: Astrodon 5nm H-alpha (55 panels), Baader 7mn H-alpha (1 panel from 13-panel mosaic) Camera: Hutech-modified Canon 30D Lens: Leica APO Telyt-R 180mm f/3.4 at f/4 Mount: Astro-Physics AP900 Guiding: ST-402 autoguider and SV80S guidescope. MaximDL autoguiding software
Remarks: -- Temperatures - 2009/07/04 41F (end), 2009/07/14-15 43F/41F (middle/end), 2009/07/18-19 51F (start), 2009/07/28-29 65F/60F (start/end), 2009/08/14 60F, 2009/08/14-15 63F/55F (start/end), 2009/08/15-16 62F/60F (start/end), 2009/08/16-17 63F/60F (start/end) -- SQM-L readings start to end each night : 2009/07/04 20.78 (setting moon), 2009/07/14-15 21.26, 21.35, 21.33, 21.25, 21.23, 21.11, 20.90, 20.82, 20.69, 20.64, 20.58, 20.51, 20.48, 20.44, 20.29, 20.13 (moonrise?) 2009/07/18-19 21.48, 21.51, 21.51, 21.44, 21.38 2009/07/28-29 21.33 (moonset), 21.56, 21.62, 21.60, 21.65, 21.60, 21.57, 21.46, 21.49, 21.51, 21.53 2009/08/14 20.83 (moonrise) 2009/08/14-15 21.36 (sunset), 21.55, 21.56, 21.51, 21.48, 21.16, 20.85, 20.75 (moonrise) 2009/08/15-16 21.46, 21.512009/08/16-17 21.56, 21.52, 21.49, 21.49, 21.51 |
| Date | |
| Source | Cygnus widefield mosaic (56 panels) |
| Author | s58y |
Licensing[edit]
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- 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.
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This image was originally posted to Flickr by s58y at https://flickr.com/photos/45032885@N04/4552956284. 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. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:27, 19 December 2021 | | 1,989 × 1,346 (640 KB) | Siloepic (talk | contribs) | Transferred from Flickr via #flickr2commons |
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