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File:Crescent Nebula in H-alpha.jpg

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Description
English: This is the Crescent nebula. It was created using 3 hours worth of exposure time with an H-alpha filter. Here is more info:


Telescope: Celestron Newtonian 6 inch (750mm focal length, f/5)
Mount: Celestron AVX
Polar Alignment: QHYCCD PoleMaster
Imaging Camera: ZWO ASI 1600MM-Cool (mono)
Filters: Ha=40x300"
Total exposure time: 3 hours, 20 minutes
Guide scope: Orion ST80
Guide Camera: Lodestar X2
Guide Software: PHD2
Darks: 25, Bias: 100, Flats: 20 (for each filter)
Capture software: Nebulosity
Stacking software: PixInsight
Post Processing: PixInsight, Photoshop

Dew Shield, Dew Heater Strip
Date
Source Own work
Author Chuck Ayoub

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w:en:Creative Commons
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21 November 2016

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4,656 pixel

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Date/TimeThumbnailDimensionsUserComment
current02:31, 18 January 2017Thumbnail for version as of 02:31, 18 January 20174,656 × 3,522 (7 MB)CpayoubUser created page with UploadWizard

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