What is difference between triplet astrograph with dedicated field flattened and quadruplets astrograph?
The difference between a triplet astrograph with a dedicated field flattener and a quadruplet astrograph mainly comes down to optical
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astronomy.network The Website of Lichfield Radio Observatory (LRO)
Andrew Thornett, Lichfield, England, M6THO, andrew (at) thornett (dot) net
Astrophotography
Comparing image mosaic software for astrophotography
The best image mosaic software for night sky (astrophotography) mosaics depends on your goals, budget, and level of control needed.
Read moreFITS Software
The following is an extract from https://fits.gsfc.nasa.gov/fits_viewer.html: FITS Image Software Packages for image viewing, analysis, and format conversion The following
Read moreUsing TOPCAT Software for Windows to visualise and interpret SDFITS data (NASA single dish data format)
The SDFITS single dish data format (https://safe.nrao.edu/wiki/bin/view/Main/SdfitsDetails#:~:text=Briefly%2C%20SDFITS%20is%20a%20convention%20for%20storing%20single-dish,freedom%20to%20add%20any%20additional%20columns%20as%20necessary): The SDFITS convention was developed in the late 1980s. An early version was
Read moreAndrew Thornett’s astrophotography photograph processing workflow using PixInsight and Adobe Photoshop 22/1/2025
Click on links to download the workflow: Workflow (PDF) – https://www.astronomy.me.uk/wp-content/uploads/2025/01/Andrew-Thornett-Astrophoto-Processing-Workflow-220125.pdf Workflow (.docx file) – https://www.astronomy.me.uk/wp-content/uploads/2025/01/Andrew-Thornett-Astrophoto-Processing-Workflow-220125.docx
Read moreRepositories of processes and scripts for PixInsight Software
This list needs to be added to the repository list within PixInsight: https://raw.githubusercontent.com/setiastro/pixinsight-updates/main https://www.rc-astro.com/BlurXTerminator/PixInsight https://www.rc-astro.com/NoiseXTerminator/PixInsight https://www.rc-astro.com/StarXTerminator/PixInsight https://www.rc-astro.com/TensorFlow/PixInsight/CPU https://pixinsight.astroprocessing.com https://www.ghsastro.co.uk/updates https://www.ideviceapps.de/PixInsight/Utilities
Read moreLocation of Settings .ini file for PixInsight software on computer at LRO
Located at: C:\Users\andre\AppData\Roaming\Pleiades
Read moreMy photos of NGC891 & Comet A3 Tsuchinshan-ATLAS from LRO, Lichfield, 26/10/2024
Taken using my Seestar S50 telescope. 5 minute exposure No filter.
Read moreEastern Veil Nebula (NGC 6992) taken with my Seestar at LRO 16/9/2024
20 minutes of data
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