File:M45 (4).jpg
![File:M45 (4).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/3/3d/M45_%284%29.jpg/800px-M45_%284%29.jpg?20120218090103)
Original file (1,620 × 1,215 pixels, file size: 395 KB, MIME type: image/jpeg)
Captions
Captions
Summary
editDescriptionM45 (4).jpg |
Subject: M45 -- Pleiades Image FOV = 3 degrees by 2.25 degrees (180 by 135 minutes) Image scale: 6.666 arc-second/pixel Date: 2008/10/03, 2008/10/23 Location: near Halcottsville, NY Exposure: 44 x 10minutes = 7h20m total exposure, ISO 400, f/4.8 Filters: IDAS LP filter Camera: Hutech-modified Canon 30D Telescope: SV80S 80mm f/6 + TV TRF-2008 0.8X reducer/flattener = 384mm, f/4.8 Mount: Astro-Physics AP900 Guiding: ST-402 autoguider through SV66 guidescope, MaximDL autoguiding software with 5-second and 6-second guide exposures Processing: Raw conversion and calibration with ImagesPlus; Aligning and combining with Registar; levels, unsharp mask, color balance, cropping and JPEG conversion with Photoshop CS. No noise reduction. Remarks: Temperature at end: 30F on 2008/10/03, 18F on 2008/10/23; SQM-L readings: 2008/10/03 -- 21.27 start, 21.33 end; 2008/10/23 -- 21.33 start, 21.40 middle, 21.24 end (crescent moonrise) |
Date | |
Source |
|
Author | s58y |
Licensing
edit![w:en:Creative Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/7/79/CC_some_rights_reserved.svg/90px-CC_some_rights_reserved.svg.png)
![attribution](https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Cc-by_new_white.svg/24px-Cc-by_new_white.svg.png)
- 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.
![]() |
This image, originally posted to Flickr, was reviewed on February 18, 2012 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 09:01, 18 February 2012 | ![]() | 1,620 × 1,215 (395 KB) | File Upload Bot (Magnus Manske) (talk | contribs) | {{Information |Description=Subject: M45 -- Pleiades Image FOV = 3 degrees by 2.25 degrees (180 by 135 minutes) Image scale: 6.666 arc-second/pixel Date: 2008/10/03, 2008/10/23 Location: near Halcottsville, NY Exposure: 44 x 10minutes = 7h20m total |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on chy.wikipedia.org
- Usage on it.wikipedia.org
- Usage on sk.wikipedia.org
- Usage on sv.wikipedia.org
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Orientation | Normal |
---|---|
Horizontal resolution | 100 dpi |
Vertical resolution | 100 dpi |
Software used | Adobe Photoshop CS Windows |
File change date and time | 17:08, 4 January 2009 |
Color space | Uncalibrated |
Image width | 1,620 px |
Image height | 1,215 px |
Date and time of digitizing | 12:08, 4 January 2009 |
Date metadata was last modified | 12:08, 4 January 2009 |
IIM version | 2 |