File:NGC2024, IC434 B33 (-2) (4145491816).jpg

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Subject: NGC2024 and IC434/B33 -- Flame Nebula and Horsehead Nebula

Image FOV = 3.2 degrees by 2.25 degrees (192 by 135 minutes)

Image Scale = 7.5 arc-second/pixel

Date: 2006/11/22 and 2006/11/25 (RGB), 2006/12/02, 2007/01/16, and 2007/01/17 (Ha)

Exposure (RGB): 70 x 4minutes = 4h40m total exposure, ISO800, f/4.8 Exposure (Ha): 40 x 10 minutes = 6h40m total exposure, ISO800, f/4.8

Filter: IDAS LP filter (RGB), Baader 7nm H-alpha filter (Ha)

Camera: Hutech-modified Canon 30D

Telescope: SV80S 80mm f/6 + TV TRF-2008 0.8X reducer/flattener = 384mm FL, f/4.8

Mount: Losmandy G-11

Guiding: ST-402 autoguider and SV66 guidescope. MaximDL autoguiding software using 1-second guide exposures

Processing: Raw conversion and calibration with ImagesPlus (dark frames only, no bias or flat frames); Aligning and combing with Registar; H-alpha data replaced RGB red channel, levels, curves, crop/resize, JPEG conversion with Photoshop CS.

Remarks: temperatures at end: 20F, 21F, 25F, 25F, 27F
Date
Source NGC2024, IC434/B33 (#2)
Author s58y

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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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@N04/4145491816. 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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Date/TimeThumbnailDimensionsUserComment
current11:38, 19 December 2021Thumbnail for version as of 11:38, 19 December 20211,536 × 1,080 (336 KB)Siloepic (talk | contribs)Transferred from Flickr via #flickr2commons

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